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• 　Solar Street Light Battery
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• 　Outdoor Portable Battery

24V 5Ah energy storage battery pack

Nominal voltage: 24V
Nominal capacity: 5Ah（0.2C discharge）
Continuous work current: 10A
Over current protection: 10~20A（adjustable）

Over charge protection voltage: 4.25±0.25V/Cell (optional)

Over discharge protection voltage: 2.50±0.25V/Cell (optional)

Charge mode: constant current/voltage

Charge current: 8-20A

Charge temperature/humidity: 0~45℃、45~85%RH

Dischage temperature/humidity: -20~55℃、45~85%RH

Range of storage temperature & humidity:

Short term: over one month -20~+55℃、45~85%RH

Mid term: over three months -20~+45℃、45~85%RH

Long term: within one year -5~+20℃、45~85%RH

Dimension: Height: MAX70mm
Length: MAX140mm
Thickness: MAX55mm
Weight: 1000g
Internal resistance ≤150mΩ

Design scheme of battery pack for energy storage：

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 chip：MOSFET chip, on on-off action in protection circuit

5）Packing of battery pack：plastic film