Thickness 420mm

Width 260mm

Height 260mm

Weigh ≤30Kg

Volume 26L

Case material Steal

Positive electrode Lithium iron phosphate

Negative electrode Graphite

Nominal voltage 48V

Nominal capacity 50Ah

Recommended charge method 0.2C constant current charge to 58.4V, then

constant voltage 58.4V charge till charge current

decline to ≤ 0.05C

Recommended discharge current 100A(2C)

Maximum discharge curren 250A（3C）

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