Diameter 55mm

Height 380mm（345mm without terminals）

Weigh approx. 1750g

Volume without terminals 0.90L

Case material Stainless Steel

Positive electrode Lithium manganate

Negative electrode Stainless Steel

Nominal voltage 3.7V

Nominal capacity 50Ah

Minimum capacity 49Ah

AC Impedance (1KHz) ≤ 1mΩ

Specific energy at 0.2 C 120Wh/kg

Energy density at 0.2C 210Wh/l

Recommended charge method 0.2C constant current charge to 4.2V, then

constant voltage 4.2V charge till charge current

decline to ≤ 0.05C

Recommended discharge current 10A(0.2C)

Maximum discharge curren 150A（3C）

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

Operating temperature - 15 ℃ to + 60 ℃

Recommended charge temperature 0 ℃ to + 40 ℃

Storage and transport temperature - 40 ℃ to + 60 ℃

Cycle life at 20℃ and 100%DOD> 500 cycles to 80% nominal capacity

1C charge; 1C discharge > 1000 cycles to 60% nominal capacity