If you’re looking for the best high-end home battery backup options, I recommend considering systems with lithium technology like the 1500VA/1000W or 230.4Wh units, which offer long-lasting, maintenance-free power. Backup duration, safety features, and device compatibility are key factors I suggest focus on. These systems protect your electronics during outages and ensure reliability. Keep exploring further to discover detailed features and how to choose the perfect solution for your home needs.
Key Takeaways
- Highlights top-tier home battery backup systems using advanced lithium and LiFePO4 technologies for long-lasting, reliable power.
- Details features like sine wave output, surge protection, remote management, and integration with home automation.
- Compares capacity, runtime, and safety features to help select systems matching specific energy needs.
- Emphasizes benefits such as extended lifespan, maintenance-free operation, and device protection.
- Provides insights into ideal applications, limitations, and factors influencing system performance and reliability.
APC UPS 1500VA Sine Wave Battery Backup (BR1500MS2)
If you’re looking for a reliable backup system for your high-end electronics, the APC UPS 1500VA Sine Wave Battery Backup (BR1500MS2) is an excellent choice. It offers 10 outlets—six with both surge protection and battery backup, and four with surge protection only—perfect for safeguarding valuable devices. The sine wave technology and Automatic Voltage Regulation (AVR) deliver clean, stable power, protecting sensitive equipment from fluctuations. It supports PowerChute management for easy monitoring and has two USB charging ports, including a USB-C, for mobile device charging. Plus, its replaceable battery guarantees long-term performance, making it a versatile, dependable solution for your premium electronics.
Best For: individuals seeking a reliable, high-capacity UPS to protect their high-end electronics and sensitive devices during power outages.
Pros:
- Provides 10 outlets with a mix of surge protection and battery backup for comprehensive device coverage
- Features sine wave technology and AVR for clean, stable power and voltage regulation
- Includes USB-C and Type-A charging ports for convenient mobile device charging
Cons:
- Battery replacement requires purchasing a separate model (APCRBC163)
- May be bulky and heavy for portable use
- Limited to Windows and Mac OS management options, which may restrict advanced monitoring for some users
CyberPower 1500VA/900W LCD UPS System
The CyberPower CP1500AVRLCD3 is an excellent choice for homeowners seeking reliable backup power for critical devices, thanks to its 1500VA/900W capacity and intelligent LCD display. It features 12 outlets—six with battery backup and surge protection, and six surge-only—ensuring thorough device coverage. The unit includes USB charging ports (Type-A and Type-C) and a 6-foot power cord for convenience. Its color LCD panel provides real-time status updates, and automatic voltage regulation stabilizes power without draining the battery. Backed by a three-year warranty and software for monitoring, this UPS offers a robust, user-friendly solution to protect your essential electronics during outages.
Best For: homeowners and small office users seeking reliable backup power and surge protection for critical electronics and home entertainment systems.
Pros:
- Provides a high capacity of 1500VA/900W, suitable for multiple devices
- Features an intuitive color LCD display for real-time status updates
- Includes USB Type-A and Type-C ports for mobile device charging and system management
Cons:
- Limited to 12 outlets, which may be insufficient for very extensive setups
- No mention of longer battery replacement options or extended runtime
- The unit’s size and weight may require dedicated space and careful placement
APC UPS Battery Backup and Surge Protector (BE600M1)
For those seeking a reliable power backup solution for essential electronics, the APC UPS Battery Backup and Surge Protector (BE600M1) offers a compact yet powerful option. With 600VA/330W capacity, it features seven outlets—five with battery backup and surge protection, and two with surge protection only. Its wall-mountable design and right-angle plug make installation easy. The unit includes surge protection, a USB charging port, and PowerChute software for management. The replaceable battery guarantees long-term reliability, safeguarding your devices during outages. Overall, it’s a versatile, space-efficient solution for protecting critical electronics in any home.
Best For: homeowners and small office users seeking a reliable, space-efficient backup power and surge protection solution for essential electronics.
Pros:
- Compact, wall-mountable design with right-angle plug for easy installation
- Replaceable battery ensures long-term reliability and device safety during outages
- Includes USB charging port and management software for convenient device control
Cons:
- Limited to 600VA/330W capacity, may not support high-power devices simultaneously
- Only 7 outlets, which might be insufficient for larger setups
- Mac OS users need to rely on native Energy Saver Settings, as the software is Windows-focused
APC UPS 1500VA Battery Backup and Surge Protector
The APC UPS 1500VA BX1500M stands out as an excellent choice for home users with high-performance electronics, such as gaming setups, multiple monitors, and network equipment. It offers 1500VA / 900W capacity, supporting larger setups with reliable backup and surge protection. Its 10 outlets—half with battery backup—ensure extensive device safety, while Automatic Voltage Regulation (AVR) stabilizes fluctuating power. Dataline protection guards Ethernet and phone lines against surges, and a user-replaceable battery extends its lifespan. Compact yet robust, it’s designed for seamless, quiet operation, providing up to 20-30 minutes of runtime during outages, making it ideal for critical home electronics.
Best For: home users and small offices seeking reliable backup and surge protection for high-performance electronics like gaming setups, multiple monitors, and network devices.
Pros:
- Supports larger setups with 1500VA / 900W capacity, accommodating multiple devices simultaneously
- Equipped with Automatic Voltage Regulation (AVR) and dataline protection for comprehensive surge defense
- User-replaceable battery extends lifespan and maintains long-term reliability
Cons:
- Battery replacement can be costly over time, adding to overall maintenance expenses
- Some users report minor issues like false alarms or hardware defects, requiring support or replacements
- Slightly heavy (about 23 pounds), which may impact portability or placement flexibility
Lithium UPS Battery Backup and Surge Protector (1000VA/600W)
If you’re seeking a reliable backup solution that can power multiple devices during outages, the GOLDENMATE 1000VA/600W Lithium UPS stands out. It features advanced LiFePO4 batteries with over 10 years of lifespan and 5000+ charge cycles, providing long-lasting performance. With a sinewave output and 8 outlets, it supports computers, network gear, and telecom devices. Its intelligent LCD displays real-time status, while built-in protections guard against surges, overloads, and voltage fluctuations. The maintenance-free design, combined with quiet cooling and safety features, makes it a dependable choice for continuous power needs, especially if you’re looking for durability and efficiency in a high-end home backup system.
Best For: home users and small office setups seeking a durable, long-lasting backup power solution for multiple devices during outages.
Pros:
- Advanced LiFePO4 batteries with over 10 years lifespan and 5000+ charge cycles for reliable long-term use
- Supports multiple devices with 8 outlets and provides sinewave power for sensitive electronics
- Intelligent LCD display offers real-time monitoring and comprehensive safety protections
Cons:
- Limited peak power handling to 600W, restricting use with high-initial-load devices
- Some users experience difficulty turning off the unit or encountering error codes requiring reboots
- Occasional reliability issues reported, including failure to maintain power during extended outages
2000VA Lithium UPS Battery Backup and Surge Protector
This 2000VA Lithium UPS Battery Backup and Surge Protector stands out as an ideal solution for those seeking reliable, long-lasting power for sensitive electronics and gaming setups. Its advanced Lithium Iron Phosphate (LiFePO4) batteries deliver over 10 years of maintenance-free operation and more than 3,000 charge cycles, reducing total ownership costs. With pure sine wave output and automatic voltage regulation, it provides stable power during outages and voltage fluctuations. Equipped with eight surge-protected outlets, an intuitive LCD display, USB charging ports, and connectivity for automatic shutdowns, it ensures your devices stay protected and operational for extended periods.
Best For: home offices, gaming setups, and anyone needing reliable, long-lasting backup power for sensitive electronics and network devices.
Pros:
- Over a decade of maintenance-free operation with advanced LiFePO4 batteries.
- Pure sine wave output and automatic voltage regulation ensure stable power during outages and fluctuations.
- Multiple outlets, USB charging ports, and real-time LCD monitoring provide comprehensive device protection and convenience.
Cons:
- Shorter included cable lengths may require additional extension cords.
- Proprietary plug design could limit compatibility with certain outlets or accessories.
- Limited software or customizable monitoring options for advanced users.
APC 1000VA Sine Wave UPS Battery Backup and Surge Protector
For anyone seeking reliable backup power and surge protection for their sensitive electronics, the APC BR1000MS stands out as a top-tier choice. This 1000VA / 600W sine wave UPS offers 10 outlets—six with battery backup and surge protection, four with surge protection only. It features Automatic Voltage Regulation (AVR), active Power Factor Correction, and a user-replaceable battery, along with a digital display showing load, voltage, and runtime estimates. With silent operation and software management compatible with Windows and Mac, it reliably sustains high-end devices during outages, providing approximately 45-60 minutes of backup. Its sturdy build and proven performance make it a favorite for protecting critical electronics.
Best For: users with sensitive electronics and high-end setups seeking reliable backup, surge protection, and stable power during outages.
Pros:
- High build quality with durable construction and silent operation.
- Features advanced management tools including digital display and software compatibility.
- Provides long backup runtime (45-60 minutes) and effective surge/spike protection.
Cons:
- Uses sealed lead-acid batteries, which are heavier and have shorter lifespan compared to lithium alternatives.
- Coaxial ports are close to power outlets, potentially complicating cable organization.
- Slightly higher price point compared to some competitors with similar features.
APC UPS Battery Backup Surge Protector (BE425M)
The APC UPS Battery Backup Surge Protector (BE425M) stands out as an ideal choice for homeowners seeking reliable protection for their essential small electronics during power fluctuations and outages. It offers 425VA / 225W capacity with six outlets—four with battery backup and surge protection, two surge-only—perfect for routers, modems, and small devices. Its compact, wall-mountable design with a 5-foot cord makes setup easy. The device reliably maintains internet connections during outages, with a battery life of around five years. Customers praise its simplicity, affordability, and effectiveness at preventing surges and protecting critical electronics, making it a trusted, straightforward solution for home use.
Best For: homeowners and small office users seeking reliable, affordable power backup and surge protection for essential electronics like routers, modems, and small devices.
Pros:
- Easy plug-and-play setup with straightforward operation
- Reliable surge and power protection with a 3-year warranty
- Compact, wall-mountable design ideal for limited space
Cons:
- Not suitable for high-power or large devices needing extended backup time
- Battery is not user-replaceable, requiring professional servicing after about five years
- Lacks advanced features like auto shutdown or extended runtime for heavy loads
CyberPower EC850LCD UPS Battery Backup and Surge Protector
If you’re looking for a reliable backup solution that protects essential electronics during power outages, the CyberPower EC850LCD UPS offers an excellent balance of performance and convenience. With 850VA/510W capacity, it safeguards desktops, routers, NAS, and entertainment systems with surge protection and battery backup. Its simulated sine wave output ensures compatibility with most devices, while the multifunction LCD displays real-time status. The compact design, easy battery replacement, and wall-mounting options make it practical for home or office use. Plus, ECO Mode reduces energy consumption, and a three-year warranty provides added peace of mind. It’s a dependable choice for maintaining power during outages and fluctuations.
Best For: users seeking a reliable, compact UPS solution to protect home or office electronics like PCs, routers, NAS devices, and entertainment systems during power outages and fluctuations.
Pros:
- Easy to install and replace batteries with straightforward screw removal.
- Reliable performance during brownouts, lightning, and power flickers, maintaining device operation.
- Compact design with practical outlet spacing and wall-mount capability, ideal for various setups.
Cons:
- ECO Mode can sometimes cause outlets to toggle repeatedly during device sleep or shutdown, requiring disabling for stability.
- PowerPanel software has limitations, such as minimum 5-minute shutdown settings and frequent notifications, which may be inconvenient.
- The unit’s simulated sine wave output, while compatible with most devices, may not be suitable for sensitive equipment requiring pure sine wave power.
CyberPower ST425 UPS Battery Backup and Surge Protector
The CyberPower ST425 UPS Battery Backup and Surge Protector stands out as an ideal choice for small home offices and entertainment setups that need reliable power protection without the complexity of larger systems. With a 425VA/260W capacity, it safeguards computers, gaming consoles, and routers using simulated sine wave output. Its eight outlets include four with battery backup and surge protection, plus four surge-only outlets, all spaced to prevent interference. The LED indicators alert me to power status and wiring issues. Designed for energy efficiency with GreenPower technology, it offers a 3-year warranty and a $75,000 connected equipment guarantee, ensuring peace of mind.
Best For: small home offices and entertainment setups seeking reliable, energy-efficient power backup and surge protection for essential devices.
Pros:
- Compact design with a 425VA/260W capacity suitable for small-scale use
- Multiple outlets including both battery backup and surge-only options, plus transformer-spaced outlets to prevent interference
- GreenPower UPS technology enhances energy efficiency and reduces power consumption
Cons:
- Limited capacity may not support larger or high-power devices simultaneously
- Simulated sine wave output may not be ideal for sensitive or audio/video equipment requiring pure sine wave power
- Only a 3-year warranty, which might be shorter than some users prefer for long-term investments
Lithium UPS Battery Backup and Surge Protector (230.4 Wh)
Designed for homeowners seeking reliable and long-lasting power backup, the Lithium UPS Battery Backup and Surge Protector (230.4 Wh) features advanced Lithium Iron Phosphate (LiFePO4) batteries that deliver over 10 years of dependable performance. With a rated capacity of 1000VA/800W, it offers continuous backup through eight outlets, combined with surge protection. Its built-in Battery Management System guarantees safety, efficiency, and longevity, reducing total ownership costs by over 40%. The system monitors real-time status via an LCD display, safeguards against voltage issues, and operates quietly with a low-noise fan. Overall, it provides a robust, maintenance-free solution for safeguarding your essential home devices.
Best For: homeowners seeking a reliable, long-lasting power backup and surge protection solution for essential household devices.
Pros:
- Over 10 years of dependable performance with LiFePO4 battery technology
- High capacity of 1000VA/800W with eight outlets for comprehensive device coverage
- Quiet operation with a low-noise fan and real-time monitoring via LCD display
Cons:
- May be more expensive upfront compared to traditional lead-acid UPS systems
- Limited to home and small office use; not suitable for large-scale industrial applications
- Requires proper initial setup and understanding of LCD interface for optimal use
Lithium UPS Battery Backup and Surge Protector (1500VA/1000W)
For homeowners seeking reliable, long-lasting power backup, the Lithium UPS Battery Backup and Surge Protector (1500VA/1000W) offers a standout solution with its advanced LiFePO4 battery technology. This system features a durable 51.2V, 5.8Ah battery with over 10 years of lifespan and 3,000+ charge cycles, reducing total ownership costs by over 40%. It provides continuous power monitoring, automatic voltage regulation, and surge protection, safeguarding your devices from outages and fluctuations. With eight outlets, USB charging ports, and smart safety features, it’s designed for seamless operation and reliable performance. This UPS guarantees your critical equipment stays powered and protected for the long haul.
Best For: homeowners and small office users seeking a reliable, maintenance-free power backup solution with long-lasting performance and comprehensive device protection.
Pros:
- Long lifespan of over 10 years and 3,000+ charge cycles, reducing replacement costs
- Advanced LiFePO4 battery technology offering safety, durability, and high efficiency
- Multiple outlets with surge protection and USB ports for versatile device connectivity
Cons:
- Higher initial investment compared to traditional lead-acid UPS systems
- Limited to 1500VA/1000W capacity, which may not support very high-power devices
- Requires proper setup and maintenance of the communication and charging ports for optimal performance
Lithium UPS Battery Backup & Surge Protector (230.4 Wh)
If you’re seeking a reliable backup power solution that combines longevity with ease of use, the GOLDENMATE 1000VA/800W Lithium UPS stands out. It features 8 outlets, surge protection, and a sine wave output, ensuring clean power for your devices. Its advanced LiFePO4 batteries deliver over 10 years of maintenance-free operation, with a capacity of around 230.4 Wh, providing roughly one hour of backup at 210W. The LCD display offers real-time monitoring, and safety mechanisms prevent overcharging or discharging. Lightweight and compact, it’s perfect for safeguarding computers, network gear, or medical devices during outages, making it an excellent high-end backup solution.
Best For: individuals seeking a reliable, long-lasting UPS solution for home or office use to safeguard computers, network devices, or medical equipment during power outages.
Pros:
- Over 10 years of maintenance-free operation with LiFePO4 batteries ensuring long-term reliability
- Compact, lightweight design with multiple outlets and surge protection for versatile use
- Real-time LCD monitoring and safety features for easy management and enhanced safety
Cons:
- Slightly slow switching to backup power during outages
- Basic LCD display and LED indicators could be more advanced or visually appealing
- Noise level during heavy battery use is below 50 dB but may still be noticeable in quiet environments
CyberPower SL700U UPS Battery Backup and Surge Protector
The CyberPower SL700U UPS Battery Backup and Surge Protector stands out as an ideal solution for home users seeking reliable backup power and surge protection for essential electronics. It provides 700VA/370W capacity with a simulated sine wave output, safeguarding computers, routers, and gaming consoles during outages. With eight outlets—five with backup and surge protection and three surge-only—it offers flexible plug arrangements. Two USB ports enable charging mobile devices simultaneously, and LED indicators monitor status and wiring faults. Its slim profile allows discreet installation or wall mounting. Designed for efficiency with GreenPower technology, the SL700U ensures reliable, energy-conscious performance during brief power interruptions.
Best For: home office users and small business owners seeking reliable surge protection and backup power for essential electronics during outages.
Pros:
- Provides 700VA/370W capacity with simulated sine wave output for safe device operation
- Features multiple outlets including backup and surge-only options, plus USB charging ports
- Compact, slim design with wall-mount capability and energy-efficient GreenPower technology
Cons:
- Software monitoring tools may malfunction or have limited functionality
- Battery upgrade or replacement requires some DIY skills and careful planning
- May have limited runtime during extended outages without battery modifications
Factors to Consider When Choosing High-End Home Battery Backup Systems

When selecting a high-end home battery backup system, I consider key factors like power capacity and runtime to guarantee it meets my needs. I also evaluate the battery technology for longevity and safety, along with protection features like surge suppression. Additionally, effective management and monitoring options help me optimize performance and reliability over time.
Power Capacity Needs
Choosing the right high-end home battery backup system hinges on accurately evaluating your power capacity needs. First, assess your total power load in watts or VA to determine the minimum capacity your system must support during outages. Think about how long you need critical devices to run; this helps you select a system with enough battery capacity to provide extended runtime. Larger systems typically support more outlets and higher wattage, making them ideal for whole-home backup or multiple high-power appliances. Keep in mind that battery capacity directly affects runtime—higher watt-hour or milliamp-hour ratings mean longer backup periods. Finally, confirm the system’s maximum continuous power output matches your needs to prevent overloads and maintain reliable operation during outages.
Battery Technology Type
Selecting the right battery technology substantially influences your home backup system’s performance and longevity. Lithium-ion and Lithium Iron Phosphate (LiFePO4) batteries are top choices because of their high energy density, long cycle life, and lightweight design. LiFePO4 batteries, in particular, offer over 10 years of lifespan and more than 5,000 charge cycles, far surpassing traditional lead-acid options in durability. While lead-acid batteries like AGM or gel types are initially more affordable, they typically last only 3-5 years and require regular maintenance or replacement. Emerging technologies, such as solid-state batteries, promise even higher safety, energy density, and longevity in the future. Your choice of battery technology impacts backup duration, system weight, size, and maintenance needs, making it a critical decision.
Runtime Expectations
The expected runtime of a high-end home battery backup system depends primarily on its total capacity and the power consumption of your connected devices. Larger battery capacities, measured in watt-hours (Wh) or amp-hours (Ah), generally provide longer backup durations during outages. However, actual runtime varies markedly based on load; for example, critical devices might be supported for 10–15 hours at low loads but only 1–2 hours at full capacity. Many high-end systems feature detailed runtime calculators or LCD displays that estimate how long your devices can run based on current power usage. To meet your desired backup duration, it’s essential to take into account both battery capacity and the system’s efficiency, including inverter performance and power management features.
Surge and Spike Protection
Surge and spike protection are critical features to contemplate in high-end home battery backup systems because they shield your valuable electronics from damaging voltage fluctuations. These systems often include components like Metal Oxide Varistors (MOVs) and TVS diodes that absorb and dissipate excess energy, preventing harm to sensitive devices. Some advanced models also provide data line protection for Ethernet, phone, and coaxial cables, blocking surges that could compromise data or damage connected equipment. Proper protection is rated with specific joule ratings—higher ratings mean better capacity to handle energy surges and longer-lasting defense. Regular testing and replacing worn components are essential to maintain effective surge protection over time. Prioritizing these features ensures your electronics stay safe during unexpected voltage spikes.
Management and Monitoring
When choosing a high-end home battery backup system, management and monitoring features play a essential role in ensuring reliable performance and ease of use. Advanced management software provides real-time data on battery status, load, and system health, helping you stay informed and proactive. Many systems support remote management via mobile apps or web interfaces, so you can monitor and control your system from anywhere. Detailed data logging and alert notifications help anticipate maintenance needs and prevent unexpected failures. Compatibility with home automation and smart systems allows for seamless integration and automated responses during power outages. User-friendly interfaces, like LCD displays or dashboards, simplify system oversight by showing critical information such as runtime estimates, voltage levels, and backup capacity, making system management straightforward and efficient.
Ease of Installation
Choosing a high-end home battery backup system involves more than just features; ease of installation is a key factor that can save time and prevent headaches. Many advanced systems are designed with plug-and-play functionality, making setup straightforward even for those without extensive electrical experience. Clear labeling, modular components, and standardized connectors simplify connections and reduce installation time. Wall-mountable units with built-in brackets and standard outlets offer flexible placement options, fitting seamlessly into various home environments. Additionally, detailed installation guides and support resources help guarantee proper setup, minimizing the risk of errors. These user-friendly features mean you can have your backup system up and running quickly, giving you peace of mind without the hassle of complex wiring or professional installation.
Maintenance and Longevity
Ever wondered what makes a high-end home battery backup system last for over a decade? It mainly comes down to the quality of the lithium-based batteries, which often provide more than 10 years of lifespan and over 5,000 charge cycles. Maintenance-free designs are common, thanks to advanced Battery Management Systems (BMS) that automatically monitor and protect battery health. Features like safety shutdowns and self-diagnostics help prevent damage from overcharging or deep discharges, extending the system’s life. Staying on top of system alerts and firmware updates can further optimize performance, especially in areas with power fluctuations. Ultimately, longevity depends on the quality of components, proper installation, and following manufacturer upkeep recommendations, ensuring your system remains reliable for years to come.
Frequently Asked Questions
How Long Do High-End Home Battery Backups Typically Last During Power Outages?
High-end home battery backups typically last between 8 to 24 hours during power outages, depending on their capacity and your energy consumption. I’ve found that larger systems with higher kilowatt-hour ratings can keep essential appliances running longer. It’s important to evaluate your power needs and choose a system that can handle your critical devices for the duration you want. I always recommend consulting with a professional to optimize your backup solution.
Can These Systems Seamlessly Integrate With Solar Power Setups?
Yes, these high-end systems can seamlessly integrate with solar power setups. I’ve found that many are designed specifically for easy pairing with solar panels, allowing for efficient energy storage and management. They often come with smart inverters and compatible hardware that automatically coordinate with solar inputs, making the entire process smooth and reliable. This integration guarantees your home remains powered even when the sun isn’t shining, providing peace of mind.
What Is the Expected Lifespan of Premium Home Battery Backup Batteries?
Premium home battery backup batteries typically last around 10 to 15 years, depending on usage and maintenance. I’ve found that high-quality batteries with proper care can even extend their lifespan beyond a decade. Regularly monitoring their health and ensuring they’re not overcharged or deeply discharged helps maximize longevity. Investing in reputable brands also plays a significant role in ensuring your system remains reliable for many years.
Are Maintenance Requirements Different for High-Capacity Battery Backups?
Maintenance requirements for high-capacity battery backups are generally similar to those of smaller systems, but I find that they often need more attention due to their size and complexity. I recommend regular inspections, keeping the batteries clean, and ensuring proper cooling. Also, I check the system’s firmware updates and performance logs periodically. Proper maintenance helps prolong lifespan and keeps the system running efficiently, giving me peace of mind during outages.
How Do Warranty and Service Support Vary Among Top-Tier Systems?
Warranty and service support can vary considerably among top-tier systems. I’ve found that premium brands often offer longer warranties, sometimes up to 10 years, and extensive support plans. They typically include prompt technical assistance and regular maintenance checks. When choosing a system, I always check what’s covered, like battery replacement, and make sure there’s reliable customer service, because dependable support makes a big difference in long-term reliability and peace of mind.
Conclusion
Choosing the right high-end home battery backup system can truly transform your power reliability. Did you know that homes with advanced battery backups experience up to 80% fewer outages? It’s pretty eye-opening and shows just how essential investing in quality can be. Whether you opt for lithium or sine wave systems, making an informed choice ensures your home stays powered during emergencies. Let’s keep your power flowing smoothly—because peace of mind is priceless.