Description
Powerful. Efficient. Built to Last.
Upgrade your off-grid energy setup with the 400Ah 12V LiFePO4 Off-Grid Battery Kit, featuring two ALPHA 2 LITE 12V 200Ah batteries in parallel. This robust 5.12kWh deep cycle lithium battery bank delivers exceptional performance, safety, and longevity—making it the ideal solution for RVs, boats, off-grid homes, and solar power systems.
Each ALPHA 2 LITE battery is engineered with premium lithium-iron-phosphate cells, offering over 10 years of lifespan, superior thermal performance, and low maintenance operation. Whether you need consistent power for high-demand applications or a reliable backup energy source, this kit provides peace of mind and unmatched reliability.
Key Features:
-
High-Capacity Energy Storage
Delivers a combined 400Ah at 12V (5.12kWh), perfect for medium to large off-grid systems. -
LiFePO4 Efficiency
Packed with high-performance lithium-iron-phosphate cells for optimal energy efficiency and low self-discharge rates. -
Built-in Battery Management System (BMS)
Offers protection from overcharge, over-discharge, short circuit, overcurrent, and high/low temperature extremes.
Every cell is individually fused to protect the entire pack in case of failure. -
Durable & Safe
Operates flawlessly in high-temperature environments and is housed in a rugged, compact form factor. -
Low Maintenance, Plug-and-Play
No watering, venting, or complicated wiring required—ready to integrate into your solar system or inverter setup.
BMS Safety Protection
Every LiFePO4 cell is individually fused with safety and efficiency in mind. If any cells fail, the isolated fuse will prevent any damage to the other cells and allow the battery to function normally.
Other BMS Features include:
- Convenient removable carry handle
- Lightweight
- Short circuit protection
- Overcharge/over-discharge protection
- Excessive heat protection
This 400AH 12V 5.12kWh Lithium Battery Bank comes with:
- 2x 12V 200AH LiFePO4 Battery
- 2x 1ft 2 AWG Battery Cable
Specification
BATTERY
- Nominal Voltage: 12.8V
- Nominal Capacity: 200Ah
- Minimum Capacity: 199Ah
- Cycle Life: >4000 cycles
Operating Specifications
- Capacity: 200Ah
- Energy: 2560 Watt Hours
- Charge Voltage: 14.4V
- Continuous Discharge Current: 200A
- Self Discharge: < 5%/month
Temperature Performance
- Charge Temperature: 32℉ to 131℉ (0℃ to 55℃)
- Discharge Temperature: -4℉ to 140℉ (-20℃ to 60℃)
- Storage Temperature: 14°F-113°F / -10℃~45℃ 90％RH Max (More than 3 months)
Physical Specifications
- Battery Dimensions(L*W*H): 20.9×8.1×8.5 in
- Weight: 52.9 lb
BMS Operation
Overcharge Protection
- Overcharge detection voltage: 3.75V±0.03V
- Overcharge detection delay time: 1000ms±500ms
- Overcharge recovery voltage: 3.55V (Min 3.40V, Max 3.60V)
Over-Discharge Protection
- Over-discharge detection voltage: 2.20V±0.08V
- Over-discharge detection delay time: 1000ms±500ms
- Over-discharge recovery voltage: 2.70V±0.10V
Short Circuit Protection: Yes
Warranty: 5 year warranty
Manuals and Downloads
