BMS 4S Balanced Charger for 4 x 3.7V Lithium batteries with protection

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£5.50

(inc VAT £6.60)
Item Number BMS4S
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4S Balanced BMS (Battery Management System) for use with 4 x 3.7v Lithium batteries

 

This BMS is designed to charge and manage the use of 4 lithium batteries. It will manage the balanced charging when used with an apropriate constant current power supply for the batteries. It will also protect the batteries from both over voltage and under voltage. It also features over current and short circuit protection.

 

This BMS will balance charge 4 lithium batteries like 18650 or 26650 or can charge multiple sets of 4 in paralel for higher capacity/current uses. It will also balance charge 4S LiPo (Lithium Polymer) battery packs.   

 

A constant voltage/current power source is needed to properly use this BMS like the BCD5A or BCD9A

 

Voltage in : 16.8V - 18.1VDC

Over Voltage Protection : 4.2VDC per cell

Under Voltage Protection : 2.5VDC per cell

Maximum Charging Current : 20A

Maximum Discharging Current : 40A

Over Current Protection : 80A

Dimensions : 60mm x 45mm
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