Diameter 55mm

Height 380mm（345mm without terminals）

Weigh approx. 1850g

Volume without terminals 0.90L

Case material Stainless Steel

Positive electrode Lithium manganate

Negative electrode Lithium Titanate

Nominal voltage 2.4V

Nominal capacity 55Ah

Minimum capacity 54Ah

AC Impedance (1KHz) ≤ 2mΩ

Specific energy at 0.2 C 60Wh/kg

Energy density at 0.2C 120Wh/l

Recommended charge method 0.5C constant current charge to 3V, then

constant voltage 3V charge till charge current

decline to ≤ 0.05C

Recommended discharge current 90A(2C)

Maximum discharge curren 135A（3C）

Maximum pulse discharge current (2s) 450A(10C)

Operating temperature - 40 ℃ to + 60 ℃

Recommended charge temperature -40 ℃ to + 40 ℃

Storage and transport temperature - 40 ℃ to + 60 ℃

Cycle life at 20℃ and 100%DOD> 20000 cycles to 80% nominal capacity

1C charge; 1C discharge > 30000 cycles to 60% nominal capacity