Rich Solar 400Ah 12V LiFePO4 Off-Grid Battery Kit – 5.12kWh Bank (2 x ALPHA 2 LITE in Parallel)

This off-grid battery kit delivers reliable energy storage for solar systems, remote power applications, and backup power needs. By pairing two ALPHA 2 LITE LiFePO4 modules in parallel, it provides a 12.8V nominal bank with 400Ah of capacity and 5.12kWh of usable energy, optimized for long-term, maintenance-light operation.

Performance and specifications

• Nominal voltage: 12.8V
• Nominal capacity: 400Ah (two 200Ah modules in parallel)
• Energy: 5.12kWh (5120Wh) bank energy rating
• Per-module: 12V nominal, 200Ah, 2560Wh
• Charge voltage: 14.4V
• Max charge current: 200A per module
• Max discharge current: 200A per module
• Cycle life: >4000 cycles
• Self-discharge: <5% per month
• Charge temperature: 32°F to 131°F (0°C to 55°C)
• Discharge temperature: -4°F to 140°F (-20°C to 60°C)
• Storage temperature: 14°F-113°F / -10°C~45°C; 90% RH max for extended storage
• Physical (per module): 20.9 x 8.1 x 8.5 in; weight 52.9 lb

Safety, protection and certifications

• BMS safety protection with every LiFePO4 cell individually fused
• Over-charge protection: detection at 3.75V ±0.03V; delay 1000 ms; recovery at 3.55V
• Over-discharge protection: detection at 2.20V ±0.08V; delay 1000 ms; recovery at 2.70V
• Short circuit protection; high and low-temperature disconnects
• Lightweight design with convenient removable carry handle
• Premium LiFePO4 cells with >10-year lifespan under proper maintenance

Installation and maintenance

• Kit includes 2x 12V 200Ah LiFePO4 ALPHA 2 LITE modules and 2x 1 ft 2 AWG battery cables
• Configured in parallel to deliver 400Ah at 12.8V nominal
• Low maintenance by design; LiFePO4 chemistry minimizes routine upkeep

Warranty and support

• 5-year warranty

This 400AH 12V 5.12kWh Lithium Battery Bank comes with:

• 2x 12V 200AH LiFePO4 Battery
• 2x 1ft 2 AWG Battery Cable

The ALPHA 2 LITE is a 12V 200 Ah LiFePO4 battery built to be as tougher and more efficient than similar batteries on the market. Manufactured with the finest quality materials, the ALPHA 2 LITE is packed with lithium-iron-phosphate cells for maximum energy efficiency. 

With its optimized construction and 200Ah, the ALPHA 2 LITE can provide the energy you need at a moment’s notice. Coupled with its security features and low-maintenance requirements, the ALPHA 2 LITE is the battery for people who need energy storage solutions without fuss.

Features:

• Premium lithium-iron-phosphate cells

• > 10 Year lifespan with proper maintenance

• Unsurpassed high-temperature performance

• Low maintenance

• High amp capacity

• Stable output voltage

• Little self-discharge

• Overcharging or discharging protection

• Overcurrent & short circuit protection

• High & low-temperature disconnects

• Charge Voltage: 14.4V

• Max Charge Current: 200A

• Max Discharge Current: 200A

• Battery Dimensions(L*W*H): 20.9x8.1x8.5 in

• Weight: 52.9 lb

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
• Over-charge/discharge protection
• Excessive heat protection

Short Circuit Protection: Yes

Warranty: 5 years warranty