48V 50Ah Lithium Battery Pack

we have designed a new 48V50Ah Lithium battery pack with NCM lithium battery cells they are 3.7V 18650 NCM lithium battery cells inside of the battery pack.
with 20 of 2.5Ah lithium battery cells in parallel, capacity of the battery pack is 50Ah with 14 of 3.7V lithium battery banks in series, voltage of the battery pack is 51.8V

The battery pack is widely used in electric vehicle, energy storage system and other battey backup system for off grid house and boat/ship/yatch.

48V50Ah Lithium Battery Pack

Electrical Characteristics	Nominal Voltage	48V
	Nominal Capacity	50Ah
	Energy	2400Wh
	Internal Resistance(AC)	≤30mΩ
	Months Self Discharge	<3%
	Efficiency of Charge	100% @0.5C
	Efficiency of Discharge	96~99% @1C
Standard Charge	Charge Voltage	54±0.2V
	Charge Current	10A
	Max. Charge Current	50A
	Charge Cut-off Voltage	58.8V
Standard Discharge	Max. Current	≤100A(2C)
Standard Discharge	Discharge Cut-off Voltage	40V
Environmental	Charge Temperature	0℃ to 45℃ (32F to 131F) @60±25% Relative Humidity
	Discharge Temperature	-20℃ to 60℃ (-4F to 140F) @60±25% Relative Humidity
	Storage Temperature	0℃ to 40℃ (Capacity 80%) @60±25% Relative Humidity
Mechanical	IP Class	IP65
	Shell Material	Plastic
	Approx. Dimension	305mm146mm198mm
	Approx. Weight	13.9kg

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