Turn every journey into a worry-free adventure with KeepKnow 12V 320Ah LiFePO4. Whether you’re harnessing solar power, living off-grid, cruising on your boat, or exploring the open road in your RV, this battery delivers reliable energy to keep everything running smoothly—anytime, anywhere.
KeepKnow 12V 320Ah Lithium Battery
$389.99
$439.99
11% OFF
Subtotal:
$389.99
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Free Shipping
Free standard shipping on all orders
Estimated to be delivered within 2 - 7 business days
5 Years Warranty
Backed up by techical support within 24hrs.
Free Returns
Learn More.
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.
Power your world with KeepKnow 12V 320Ah LiFePO4
Endurance Meets Safety for Complete Energy Freedom
Built to last with Grade A cells and advanced BMS protection delivering up to 6,000 life cycles and unmatched safety. The expandable modular design makes it the ultimate solution for solar storage, RVs, marine power and off-grid independence.
Energy Designed to Go Anywhere
Enjoy effortless installation with a compact, lightweight battery that brings power wherever you need it. Stay in control with Bluetooth 5.0 real-time monitoring and experience efficiency, durability, and eco-friendly energy all in one intelligent solution.
Intelligent Energy with Total Protection
Engineered with intelligent protection to prevent overcharge, over-discharge, and overheating, keeping your battery safe and long-lasting.
Switch to Smarter Energy Leave Lead-Acid Behind
Lead-acid batteries can limit your energy. With KeepKnow LiFePO4, you can enjoy true freedom thanks to 100% DOD, long-lasting lifespan, and unmatched reliability for solar, RV, and off-grid systems. Upgrade today to the battery technology you truly deserve.
Dependable Energy for All Your Needs
Powered by EV-grade LiFePO4 cells and IP65 protection, this battery ensures advanced safety, exceptional durability, and long-lasting performance for any application.
Energy Solutions for Every Need
From home appliances to RV journeys, marine adventures, and off-grid living, enjoy uninterrupted energy wherever life takes you.
Safety Precautions for Use
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 | 320Ah | |
| Nominal Energy | 4096Wh | |
| Dimension (L * W * H) | 345*190*245 mm 13.58*7.48*9.65 in |
|
| Approx. Weight | 26.1kg 57.5 lbs |
|
| Terminal | M8 bolts | |
| Cycle Life |
≥3000 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 | 0.2C | |
| Max. Charge Current | 0.5C | |
|
Discharge
|
Max. Continuous
Discharge Current
|
1C
|
|
Peak Discharge Current
|
2C (<3S)
|
|
|
Discharge Cut-off Voltage
|
10.0V
|
|
|
Temperature
|
Charge
|
0°C to 45°C (32°F to 113°F) @60±25% Relative Humidity
|
|
Discharge
|
-20°C to 60°C (-4°F to 140°F) @60±25% Relative Humidity
|
|
|
Storage
|
15°C ~ 35°C (Please charge and discharge your battery every month)
|
|
|
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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