Engineered for endurance, the KeepKnow 24V 100Ah Lithium Battery ensures long-lasting power for solar, RV, and marine systems. Its advanced BMS safeguards your investment while maximizing efficiency and performance in every application.
High-Density 24V 100Ah Power: Double the power in the same space. Delivers 2560Wh of energy in a compact Group 31 size (13.6×7.5×9.6 in). Weighing just 40.8 lbs, it offers high energy density perfect for space-constrained RVs and Trolling Motors.
10× Faster Charging (1C Support): Minimize downtime. Supports a maximum charge current of 100A (1C), charging 10× faster than lead-acid batteries. Pair with a 29.2V LiFePO4 charger or ≥800W solar setup for rapid energy replenishment.
Scalable to 20kWh (48V Ready): Build a massive off-grid system. Supports expansion up to 4 Parallel and 2 Series (4P2S) to create a powerful 51.2V 400Ah battery bank with a total capacity of 20.48kWh.
Smart 100A BMS Protection: Features an intelligent 100A BMS that safeguards against overcharging, short circuits, and deep discharge (auto-disconnect <20V). Includes a 30-second auto-recovery function for effortless operation.
Rugged IP65 & All-Weather Design: Built for the elements. The flame-retardant ABS casing is IP65 waterproof and shock-resistant. Operates reliably from -4°F to 140°F, ideal for marine and outdoor applications.
Long-Life LiFePO4 Technology: Premium EV Grade-A cells deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. Designed for 12+ years of reliable use—10× longer than AGM batteries.
Versatile Charging & Compliance: Flexible charging via 29.2V Chargers (50A recommended), Solar Controllers, or Alternators. Fully compliant with FCC, CE, RoHS, and UN38.3 safety standards.
Exceptional KeepKnow Service: Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service. (Note: Not for use as a vehicle starter battery).
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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.
Engineered for endurance, the KeepKnow 24V 100Ah Lithium Battery ensures long-lasting power for solar, RV, and marine systems. Its advanced BMS safeguards your investment while maximizing efficiency and performance in every application.

Enjoy 6,000+ life cycles with premium Grade A cells and advanced BMS safety. Designed for solar, RV, marine, and off-grid setups, this battery offers efficiency, durability, and a 5-year warranty you can trust.

Compact and lightweight for effortless installation, this lithium battery delivers powerful performance in a portable design. Equipped with Bluetooth 5.0, it provides real-time monitoring of voltage, capacity, and temperature, ensuring smarter energy management. Built for durability and efficiency, it’s the ideal eco-friendly solution for solar systems, RVs, marine, and off-grid living.

Equipped with intelligent protection against overcharge, over-discharge, and overheating, this battery ensures maximum safety, efficiency, and reliability. Built to perform in demanding conditions, it delivers consistent power and long-lasting durability you can trust.

LiFePO4 batteries are three times lighter, significantly more durable, and designed to meet the demands of modern energy systems. Offering unmatched reliability and efficiency, they outperform traditional lead-acid batteries in every way.

Experience premium energy storage with Grade A cells designed for unmatched performance. Enjoy full depth of discharge, more than 6,000 life cycles, and 10 years of reliable service. Compact, lightweight, IP65 waterproof, and maintenance-free for ultimate convenience.

Whether you’re running household appliances, exploring the open road in your RV, sailing the seas, or living off the grid, this battery delivers dependable power for every journey. Experience freedom with energy that never lets you down.

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 | 25.6V | |
Nominal Capacity | 100Ah | |
Nominal Energy | 2560Wh | |
Dimension (L * W * H) | 345 * 190 * 245 mm | |
Approx. Weight | 18.5 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 | 29.2+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 | 20.0V | |
Temperature | Charge | 0°C to 50°C (32°F~122°F) |
Discharge | -20°C to 60°C (-4°F~140°F) | |
Storage | -10°C to 50°C (14°F~122°F) | |
Parallel Connection | Support 4pcs in Parallel | |
Serial Connection | Support 2pcs 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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