11.1V50Ah solar street light battery pack

Nominal Voltage: 11.1V

Nominal Capacity: 50Ah

Over-charge cut-off voltage: 12.6V

Over-discharge cut-off voltage: 9V

Maximum charge current: ≤ 5A

Continuous discharge current: ≤5A

Pulse discharge current: ≤10A

Cycle life: ≥ 500 times

Charge temperature: 0~45

Discharge temperature: 0~45

Storage temperature: -20~60

Battery temperature protection: 70℃ ± 5℃

Resistance: ≤ 100mΩ

Dimension: 300*130*75mm

Weight: around 3.5kgs

Input: same cable for input/output, 18# wire, positive red wire, DC waterproof plug

Design scheme of battery pack for mini electric vehicle battery pack

1) protection circuit board (PCM): Mainly design against protection circuit board for rechargeable high capacity battery pack. Because of the chemical characteristics of lithium battery, in order to avoid burning, explosion etc. dangerous situation, must provide over charge, over discharge, short circuit, over current & over heat etc. protection function.

2) protection IC (Protection IC): Main protection function chip in design scheme, carry on-line constantly monitor on over charge, over discharge, over current, short circuit etc. function of battery cell. Ensure batter cell work within the scope of safety, stability, high efficiency.

3) over current protection chip (PTC): Mainly design against secondary protection function. PTC can recover thermal fuse with dual function: over current protection & auto recovery. PTC inside battery cell can prevent the cell occurs high temperature discharge and un-safe large current.

4) MOSFET chipMOSFET chip, on on-off action in protection circuit

5) Packing of battery pack: plastic film shrink


Application: solar street light, solar home system, solar energy storage, medical equipment, communication station, home energy storage, mini electric vehicle, electric bicycle, electric skateboard, electric wheelchair, electric motorcycle, LED, wireless surveillance device, portable home appliance etc.

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