Vatrer 51.2V 100Ah LiFePO4 Battery for Off-Grid Power
Vatrer 48V (51.2V) 100Ah Server Rack Lithium Battery
Compliant with UL 1973 Certificate.
- High-Capacity Energy Storage: Delivers a robust 5.12kWh capacity with 5120W power output, equivalent to four 12V 100Ah LiFePO4 batteries in series, ideal for solar, RV, or off-grid systems.
- Long-Lasting Cycle Life: Offers over 5,000 cycles at 100% depth of discharge, significantly outlasting lead-acid batteries (300-500 cycles), reducing replacement costs.
- Advanced Safety Features: Equipped with a 100A BMS that protects against over-discharge, over-charging, short-circuiting, and extreme temperatures, ensuring reliable operation.
- Precise Low-Temperature Protection: The BMS features a low-temperature cutoff, halting charging at 32°F to ±7.2°F (0°C to ±4°C) and discharging at -4°F to ±7.2°F (-20°C to ±4°C), safeguarding battery life in cold environments.
- Smart Monitoring Technology: Features a built-in touchscreen and Bluetooth app for real-time monitoring of voltage, current, temperature, and charge settings.
- Scalable Power Solution: Supports up to 10 parallel connections, expanding capacity to 51.2kWh and power to 51.2kW for growing energy needs.
- Versatile Charging Options: Charges in 5 hours with a LiFePO4 charger, 3.3 hours with a 30A DC-to-DC charger, or via solar panels with a 48V MPPT (>1500W).
- Flexible Installation Design: Housed in a durable SPCC steel shell, supports horizontal or vertical mounting, and is 70% lighter than lead-acid batteries for easy setup.
Estimated delivery between May 14 and May 19. Order within .
Server Rack Battery Design Saves Space
When you’re building power for an off-grid cabin, RV electrical system, home solar backup, or small business energy setup, you need a battery that can store enough energy without making the whole system bulky. This Vatrer 51.2V 100Ah LiFePO4 battery provides 5120Wh of usable energy in a compact server rack format, giving you steady power for lights, appliances, communication devices, backup loads, and solar storage equipment. Instead of spreading multiple smaller batteries across your space, you can keep your power system cleaner, easier to manage, and ready for future expansion.
Built-In 100A BMS Protects the Battery
Inside this 48V 100Ah LiFePO4 battery, the built-in 100A BMS continuously monitors voltage, current, charging, discharging, short circuits, and temperature conditions. When you’re using the battery in an RV, garage, cabin, or solar storage room, this protection helps reduce the risk of damage caused by overcharge, over-discharge, overload, or abnormal operating conditions. In cold weather, the system stops charging below 32°F and stops discharging below -4°F, helping protect the LiFePO4 cells during seasonal or low-temperature use.
LCD and Bluetooth Show Battery Status
You should not have to guess how much energy is left in your storage system. This Vatrer battery includes a built-in LCD touchscreen and Bluetooth App monitoring, allowing you to check battery level, voltage, current, and temperature in real time. The LCD display gives you quick on-site access when you are near the battery cabinet, while the app makes it easier to monitor the system from your phone when the battery is installed in an RV compartment, equipment room, or home solar setup.
Lightweight Rack Battery for Easier Installation
Compared with traditional lead-acid batteries, this lithium rack battery is built with an SPCC steel shell and is roughly 70% lighter than comparable lead-acid alternatives, making installation and handling more manageable. That difference matters when you’re placing the battery in an RV, wall-mounted cabinet, storage rack, or solar power room where weight support and installation space both need to be considered. The compact rack-mounted structure also helps reduce clutter and makes future system maintenance easier.
Parallel Expansion, Up to 51.2kWh
If your current energy needs are modest but your system may grow later, starting with one 51.2V 100Ah LiFePO4 battery keeps the setup modular. Up to 10 units can be connected in parallel, expanding total storage to 51.2kWh with up to 51.2kW system output when properly configured. This matters for off-grid homes, farms, small workshops, and business backup systems where energy demand can increase as more appliances, tools, or solar panels are added. Rather than replacing the whole battery bank, you can build your storage capacity in stages as your usage becomes clearer.
Flexible Charging, Better for Real Setups
This 48V 100Ah LiFePO4 battery can recharge in about 5 hours with a 58.4V 20A LiFePO4 charger, about 3.3 hours through a 30A DC-to-DC charging setup, or through a 48V MPPT solar input above 1500W. For RV travel, that means your battery can work with shore charging, alternator-based charging, or solar recovery depending on where you are parked. For off-grid homes, multiple charging paths also make it easier to balance daily solar production with backup charging needs.
Clean Energy Storage Without Acid Maintenance
Lead-acid batteries require more attention over time, including checking for corrosion, managing acid-related risks, and dealing with heavier battery banks. This Vatrer battery uses LiFePO4 chemistry, so it does not produce acid leaks and does not require watering like flooded lead-acid batteries. With a 5.12kWh capacity and long-cycle lithium design, it supports solar energy storage, home backup, RV travel, and other renewable power applications where lower maintenance and cleaner operation matter in day-to-day use.
Built for RV, Solar, Marine, and Backup Power
A single 48V 100Ah LiFePO4 battery can support a wide range of energy storage needs when matched with the right inverter, charger, and system design. In an RV, the compact rack format helps save space while providing 5120Wh of usable energy storage for daily electrical loads. In an off-grid home or cabin, it can store solar power for lighting, communication, refrigeration, and other essential equipment. In marine or business backup applications, the stable 48V-class lithium platform helps reduce reliance on fuel-powered backup sources when the system is properly configured.
Build Your Energy System with Vatrer Battery
If you are planning a solar lithium battery bank, RV power upgrade, or home backup system, the Vatrer 51.2V 100Ah LiFePO4 battery gives you a clear starting point: 5.12kWh capacity, built-in 100A BMS protection, LCD and Bluetooth monitoring, and expansion up to 10 parallel units. Order now to start building a more reliable energy storage setup with first-order savings and free shipping.
TECH SPECS
OPERATION. BETWEEN. INVERTER. AND. BATTERY'S.
SEAMLESS., WORKS. EXCELLENT .B.M.S.
CONNECTION. TEMPERATURE, AND .VOLTAGE, TIME, CHARGING. RUNS. TEMPERATURE. .COOL. VERY. QUIET. INCREASED.BATTERY.CABLE. .SIZE. 2AWG. AND.LUGS.
RECHARGE. BATTERY .WITH. EG-4.CHARGEVERTER. RUNS. CRITICAL.LOADS .PANEL. WELL. WITH. 6- BREAKER. RELIANCE. PRO-TRAN. TRASFER .Switch.
SAFETY. ALARMS. ALSO. .WORK. CLEAR.
I am off grid with 6000 w solar easily charging these batteries, two electric golf carts, home and garage and water well.
This is fantastic compared to my old 32 lead acid golf cart batteries
Really like the simplicity of these, works right into my system.
I’m using two of these connected to my Anker Solex F3800, soon to add a third. I have a 3.9 KW solar array, feeding a Victron solar charger controller, charging these batteries. They are perfect for my application as I don’t need the communication, just the Bluetooth and the display. The batteries are fully charged and discharged almost every day. No issues, they just work.
So far this battery is living up to every expectation… Time will tell, but so far… It's been just as advertised!
After 18 years, I swapped out my golf cart batteries for a tad bit more energy backup with (8) Vatrer batteries. These have been installed for two months and have exceeded my expectations. I purchased them last spring and just installed 2 months ago. My old batteries likely had 1 to 2 years left, but at age 75, I could not guarantee I had that much time left, and I wanted to reduce my battery maintenance of the lead acid batteries. Hence, I made this purchase from Vatrer. These batteries have wifi and a great visual display. Two years ago, I purchased a 36v golf cart battery from Vatrer and it has worked very well too. Overall I am pleased with Vatrer for their quality products, great customer support, warranty, and excellent pricing. Yes, I recommend this company if you want to move away from lead acid to lithium.
This battery was such a great value compared to other brands out there who needs battery Communications when you can save so much money
This battery has delivered everything it's promised so far. Tons of power, reliable, and can't beat the price.
I don't think I even need to say for the price, though it's a big plus. Getting the without the need for a freight truck is super great since I live in the back woods where they dare not tread, UPS and FedEx are more than willing to deliver here.
I got this battery for my solar generator. Works wonderful. The BMS does its job as it should. It will be eventually converted to our main system once we move down to our homestead. Battery works so well I might do a YouTube review on my second one once I can afford it. People need to know about this gem.
FAQs
Yes, this 51.2V 100Ah LiFePO4 battery is designed for 48V-class solar and backup systems, because a 16-cell LiFePO4 battery has a nominal voltage of 51.2V. It can be used with 48V LiFePO4-compatible inverters and chargers, such as common 48V solar inverter setups from Victron, Growatt, EG4, Sol-Ark, and similar brands, as long as the charging profile supports a 58.4V lithium charge voltage.
You can connect up to 10 Vatrer server rack battery units in parallel. With 10 batteries, the system can expand from 5.12kWh to 51.2kWh of total storage capacity, making it suitable for larger off-grid homes, solar backup systems, farms, or small business power storage.
Yes, this 48V rack mount lithium battery can be used in RV power systems that are built around a 48V inverter, solar charger, or DC power architecture. With 5120Wh of capacity, it can support RV lighting, appliances, communication equipment, and inverter-powered loads when paired with the correct 48V system components.
Yes, it should be charged with a LiFePO4-compatible 48V charger, and the recommended charger voltage is 58.4V. The product supports charging with a 58.4V 20A LiFePO4 charger in about 5 hours, a 30A DC-to-DC charger in about 3.3 hours, or a 48V MPPT solar setup with more than 1500W input.
Yes, it can be installed horizontally or vertically, but the battery must be physically supported and secured during use. For rack installation, the battery should sit on proper rails, shelves, or a strong cabinet structure rather than relying only on front mounting ears, especially in mobile setups such as RVs or marine compartments.
The built-in 100A BMS stops charging when the temperature drops below 32°F and stops discharging below -4°F. This low-temperature protection helps protect the LiFePO4 cells when the battery is used in winter cabins, garages, RV storage areas, or seasonal off-grid systems.
Yes, this 51.2V 100Ah LiFePO4 battery can replace lead-acid batteries in a 48V-class energy storage system when the inverter, charger, wiring, and battery compartment are compatible. One unit provides 5.12kWh of capacity and is roughly 70% lighter than comparable lead-acid alternatives, while also removing lead-acid maintenance tasks such as watering and acid corrosion cleanup.
You can monitor the Vatrer battery through the built-in LCD touchscreen and Bluetooth App. The system displays real-time battery status, including charge level, voltage, current, and temperature, which helps you check performance during solar charging, backup power use, RV travel, or off-grid operation.
Vatrer Lithium Solar Batteries Comparison
- Reliable Power, Empowering Lives.
- Vatrer specializes in LiFePO4 lithium batteries for golf carts, RVs, home energy storage, and off-grid applications, designed for reliable performance and long-term use.