AA Portable Power LFP-G4S400AH
The AA Portable Power LFP-G4S400AH is a battery pack with a nominal voltage of 3.2V/cell; 12.8V/pack, a rated capacity of 400Ah, 1280Wh of energy and LiFeMnPO4 in prismatic case cells.
Last updated: 11 October 2026
Battery and charging
- Energy
- 1280Wh
- Voltage
- 3.2V/cell; 12.8V/pack
- Rated capacity
- 400Ah
- Chemistry
- LiFeMnPO4 in prismatic case
- Rated charge cycles
- LiFeMnPO4 Prismatic Module: 12.8V 400Ah (1280Wh, 2C Rate) - UN38.3 Passed
“LiFeMnPO4 Prismatic Module: 12.8V 400Ah (1280Wh, 2C Rate) - UN38.3 Passed”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“Nominal: 3.2V/cell; 12.8V/Pack”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“LiFeMnPO4 Prismatic Module: 12.8V 400Ah (1280Wh, 2C Rate) - UN38.3 Passed”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“LiFeMnPO4 in prismatic case”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“LiFeMnPO4 Prismatic Module: 12.8V 400Ah (1280Wh, 2C Rate) - UN38.3 Passed”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
Battery care and safety
- What the battery management system guards against
- This LiFePO4 3.2V module does not have PCM for protection. You will need protection board to prevent from over charge , over discharge , short circuit and always store battery above 3.0V
“This LiFePO4 3.2V module does not have PCM for protection. You will need protection board to prevent from over charge , over discharge , short circuit and always store battery above 3.0V”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
Size and fit
- Overall dimensions
- 12.8V pack with aluminum case: 405x354x352 mm (16x14x14 inches)
- Terminals
- standard 5/16" metric bolts
- Stated weight
- 12.8V Pack with aluminum case: 405x354x352 mm (16x14x14 INCHES), 56KG(123LB)
“12.8V Pack with aluminum case: 405x354x352 mm (16x14x14 INCHES)”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“Positive & Negative terminal: standard 5/16" metric bolts.”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
“12.8V Pack with aluminum case: 405x354x352 mm (16x14x14 INCHES), 56KG(123LB)”
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
Sources
- LiFeMnPO4 Prismatic Module: 3.2V 400Ah (1280Wh, 2C Rate) - UN38.3 PassedArchived document
Source: batteryspace.com/lifemnpo4-prismatic-module-3-2v-400ah-1280wh-2c-rate---un38-3-passed-1.aspx
Retrieved October 10, 2026