KeepKnow 12V 100Ah LiFePO4 Battery delivers reliable, long-lasting power for solar storage, RVs, marine, and off-grid use. Built for durability and safety, it ensures efficient performance even in demanding conditions.
Perfect Group 31 Drop-in Replacement: Designed to the standard Group 31 size (12.8×6.8×8.5 in), it fits perfectly into existing battery boxes. Weighing only 23.7 lbs, it is 1/3 the weight of a lead-acid battery, making installation and handling effortless.
Built-in Bluetooth 5.0 Monitoring: Stop guessing your battery levels. Connect to the KeepKnow App via Bluetooth 5.0 to monitor real-time voltage, capacity, and battery health instantly from your phone—no extra shunt required.
Rugged IP65 & Military-Grade Durability: Engineered for the outdoors. Features an IP65 waterproof rating, military-grade shock resistance, and a flame-retardant ABS case, making it ideal for Trolling Motors, Boats, and bumpy RV travel.
1280Wh of True Usable Energy: Delivers 100% usable capacity (unlike lead-acid's 50%) with a steady 1280W continuous output. Supports 4000+ cycles at 100% DOD, ensuring over 10 years of reliable service.
Smart BMS with Low-Temp Cutoff: The built-in 100A BMS provides comprehensive safety against overcharging and short circuits. Crucially, it includes a low-temperature cut-off sensor to prevent charging damage in freezing weather.
Scalable for 48V Systems: Need more power? Easily expand your system up to 4S4P (4 series, 4 parallel) to create a powerful 48V 400Ah (20.48kWh) energy bank for home backup or large solar setups.
Versatile Charging Options: Recharge efficiently using a LiFePO4 charger (14.6V 20A recommended), solar panels (MPPT controller), or your vehicle's alternator (DC-DC charger recommended).
Important Usage Note & Warranty: Designed strictly as a Deep Cycle Battery for energy storage. DO NOT use as a starting battery (CCA) for cars or boats. Backed by KeepKnow’s 5-Year Warranty and lifetime support.
Couldn't load pickup availability
Free standard shipping on all orders
Estimated to be delivered within 2 - 7 business days
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
KeepKnow 12V 100Ah LiFePO4 Battery delivers reliable, long-lasting power for solar storage, RVs, marine, and off-grid use. Built for durability and safety, it ensures efficient performance even in demanding conditions.

Built for endurance with premium Grade A cells delivering up to 6,000 cycles. Advanced BMS ensures safety and a modular design allows easy scalability. Perfect for solar storage, RVs, marine and off grid power. Reliability is not optional it is guaranteed.

Track charge, voltage, and temperature in real time with Bluetooth 5.0 for smart battery management, while the lightweight design is 60% lighter than lead-acid for easy portability and installation.

Equipped with an advanced BMS to prevent overcharge, over-discharge, and overheating, ensuring safety, extending lifespan, and delivering reliable performance even in harsh conditions.

Upgrade to KeepKnow 12.8V 100Ah LiFePO4 Battery for a smarter, lighter power solution. Enjoy 100% DOD, 60% less weight at 11kg, and 6,000+ cycles for lasting performance. With built-in BMS and a 5-year warranty, it’s the ideal replacement for heavy, short-lived lead-acid batteries, delivering reliable and sustainable energy.

Easily expand your power system by connecting up to 16 KeepKnow 12V 100Ah batteries in series or parallel. Build a larger capacity for off-grid living, solar energy storage, RVs, or reliable home backup.

KeepKnow 12V 100Ah LiFePO4 battery delivers dependable energy for solar systems, RVs, and off-grid setups. With high efficiency and a long cycle life, it’s the perfect solution for reliable energy storage and backup.

Use batteries with matching brand, type, voltage, capacity, and BMS. Operate within safe temperature ranges. Not for golf carts or car starting. Smart BMS ensures protection and longevity.

Nominal Voltage | 12.8V | |
Nominal Capacity | 100Ah | |
Nominal Energy | 1280Wh | |
Dimension (L * W * H) | 326 * 173 * 215 mm | |
Approx. Weight | 10.8 kg | |
Terminal | M8 bolts | |
Cycle Life | >6000 Cycle @80%DOD, at 25°C | |
Months Self Discharge | ≤3% per month at 25°C | |
General | ||
Charge | Charge Voltage | 14.6+0.2V |
Recommend Charge Current | 20A | |
Max. Charge Current | 50A | |
Discharge | Max. Continuous Discharge Current | 100A |
Peak Discharge Current | 300A (<5S) | |
Discharge Cut-off Voltage | 10.0V | |
Temperature | Charge | 0°C to 50°C (32°F to 122°F) |
Discharge | -20°C to 60°C (-4°F to 140°F) | |
Storage | -10°C to 50°C (14°F to 122°F) | |
Parallel Connection | Support 4pcs in Parallel | |
Serial Connection | Support 4pcs in Series | |
Note | ||
Series and Parallel connections DO NOT recommended at the same time | ||
If need serial connection, please check whether the model support | ||
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