30 DAY MONEY BACK GUARANTEED
Thank you for the fast delivery.
Fun, works well, quick shipping
FANTASTIC
Very good, I loved it, it exceeded my expectations.
Awesome product…. highly recommended
Secure Payment
Fast Delivery
Money Back Guarantee
24/7 Support
Quality Assurance
Free shipping on all orders . See details
Estimated between Oct 06, 2026 and Oct 08, 2026 Ships within 1-3 business day after payment clears. | SHOP Track Order | Ourlum Orders | Track Orders
30 days returns. 100% Money back guaranteed. See details
BMS: 200A
Battery Average Life: Up to 10 years
Battery Cell Composition: Lithium Iron Phosphate
Battery Charge Time: Depends on charging time
Battery Power: 3968Wh
Battery Specific: Low Temperature Protection
Battery Terminal Configuration: + Pole left
Bluetooth: NO Support
Brand Name: Humsienk
Charge Recommended Current: 62.8A
Charge Voltage: 14.4V±0.2V
Cycle Life: 6000@80%DOD
Discharge Cut-off Voltage: 10V
Discharge Recommended Current: 157A
Energy: 4019Wh
High-concerned chemical: none
Item Height: 9.37
Item Length: 20.51
Item Type: Car Batteries
Item Weight: 28
Item Width: 8.7
Material: Plastic
Nominal Voltage: 12.8V
Number Of Batteries: 1
Origin: Mainland China
Output Voltage: 12.8V
Portable: Yes
Start-stop battery: No
Terminal: M8
Voltage: 12 V
Please Note:
US:Alaska, Hawaii, and Puerto Rico
The above regions are unable to ship.
Please consult customer service before placing an order
❥4019Wh & 15,000+ Deep Cycles
Our 12.8V 314Ah LiFePO4 battery offers an impressive 15,000+ deep cycles, lasting 30 times longer than traditional lead-acid batteries. Fully charged, the LiFePO4 battery delivers 4019Wh of energy with nearly 100% depth of discharge (DOD), ensuring reliable power for your devices.DIY your own power station as needed.
❥Lighter & More Compact
Thanks to its high energy density, this battery provides double the usable capacity of lead-acid batteries while being 40% lighter. Weighing only 61.73 lbs and measuring 15.04×7.6×9.82 inches, it saves valuable space without compromising power.
❥Built-in 200A BMS – Safe & Maintenance-Free
The advanced Battery Management System (BMS) offers overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring long-term safety and stability. A high-temperature cut-off prevents charging above 158°F (70°C), making it safer than lead-acid alternatives. Perfect for both indoor and outdoor applications.
❥Up to 64.3kWh Expandable Energy Storage
Supports 4S4P configurations, enabling up to 51.2V 1256Ah and a massive 63.48kWh energy system. Ideal for home solar storage, emergency backup, RVs, and marine travel, this expandable power solution meets high-energy demands effortlessly.
❥Low-Temperature Cut-Off for Protection
The integrated BMS automatically cuts off charging in low-temperature conditions, preventing irreversible battery damage and ensuring longevity in extreme climates.
❥Wide Applications
Perfect for home energy storage, UPS backup, RVs, campers, golf carts, trolling motors, houseboats, solar systems, digital/CCTV cameras, DIY projects, and more. A versatile solution for both recreational and professional use.









Shop OurLum with confidence—secure payments, fast shipping, easy returns, order tracking, and reliable support.
At OurLum.com, we don’t just promise quality—we guarantee it. Every product is carefully selected and tested to meet real-life needs, and your satisfaction is 100% backed by our no-hassle return policy. If it doesn’t work for you, we’ll make it right—fast. Shop confidently knowing you're getting trusted products, secure checkout, and real support when you need it. Because at OurLum, your peace of mind comes first