BATTERY MANAGEMENT BOARD (BMS) 4S 14.8-16.8V 66MA 4.2V

All pictures are for illustrative purposes only.

PID# 18128

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Variants:
1S
2S
3S
4S
4S
5S
6S
7S
8S
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Description

The balance board is suitable for the BMS lithium-ion battery pack without a balance function, to match the charging function of the lithium battery.

Note: The balance board must need BMS to use together, and the BMS has no balance function

Parameter:

Equilibrium voltage for each cell: 4.2 V

Equilibrium current for each single cell: 66mA

Size: L25mm * W22mm

The balancer is only an auxiliary function, the balance means when the battery is charged, each series battery needs with the same voltage. when the voltage of one cell is 4.2 V, the other cells do not, the first voltage of the cell is discharged to wait for the other cells to rise to the same level.

The cut-off voltage corresponds to the BMS configuration.

Note: The balancer starts to swing when a cell gets 4.2 V, the cut-off voltage is according to the BMS setting, but the bms cut-off voltage needs more than 4.25 V, which is much better.

4S Cnnection instruction:

B4 + connects positive battery;

B3 + connects the point between battery 1 and battery 2;

B2 + connects the point between Battery 2 and battery 3;

B1 + connects the point between battery 3 and 4 of the battery

B-connect the negative battery;

Note:

Differences of internal resistance of the battery within 5 millimeters, voltage within the voltage of 0.03 V, capacity varies within 50 ma

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