Diameter 55mm

Height 380mm（345mm without terminals）

Weigh approx. 1650g

Volume without terminals 0.90L

Case material Stainless Steel

Positive electrode Lithium iron phosphate

Negative electrode Graphite

Nominal voltage 3.2V

Nominal capacity 50Ah

Minimum capacity 49Ah

AC Impedance (1KHz) ≤ 1mΩ

Specific energy at 0.2 C 100Wh/kg

Energy density at 0.2C 180Wh/l

Recommended charge method 0.2C constant current charge to 3.65V, then

constant voltage 3.65V charge till charge current

decline to ≤ 0.05C

Recommended discharge current 100A(2C)

Maximum discharge curren 250A（5C）

Maximum pulse discharge current (2s) 500A(10C)）

Operating temperature - 20 ℃ to + 60 ℃

Recommended charge temperature 0 ℃ to + 40 ℃

Storage and transport temperature - 40 ℃ to + 60 ℃

Cycle life at 20℃ and 100%DOD> 2000 cycles to 80% nominal capacity

1C charge; 1C discharge > 3000 cycles to 60% nominal capacity