LiFePO4 16S 5A Active Balancer

Active balancing is a technique that improves the battery life by maximizing the capacity of a battery pack with multiple cells, ensuring that all of its energy is available for use.

The Balancer comes with wiring, pre-assembled, ready for use.

Installation should be completed by a qualified auto electrician only.

Working principle:

The capacitor fit transfers the charge carrier, and the balancing work is started when the balancing board is connected to the battery.

The original brand new ultra-low internal resistance MOS, 2OZ copper thick PCB, balancing current 0-5.5A, the more the balancing current, the smaller the battery.

Reserve the wiring position of the dormant switch, the operating current in dormant power-off mode is less than 0.1mA, and the equilibrium voltage accuracy is within 5mv

Balanced Starting Voltage

2.7 - 4.5v

Balanced Termination Voltage
2.9v (into undervoltage sleep state)
Balance Accuracy
<5 mV
Sleeping Current
<1 mV
Maximum Balance Current
The whole Group Error is: 0.1V/1A; 0.5V/3.5A; 1.0V/5.5A
3S Quiescent Current
Full Power State (4.2V*3 Cell) 12.6V 12mA
4S Quiescent Current
Full Power State (4.2V*4 Cell) 16.5V 15mA
7S Quiescent Current
Full Power State (4.2V*7 Cell) 29.4V 15mA
8S Quiescent Current
Full Power State (4.2V*8 Cell) 33.6V 11mA
15S/16S/17S on same board Quiescent Current
Full Power State (4.2V*17 Cell) 71.4V 10mA
Whether External Power Supply is Required
No External Power Supply Needed - The whole group is balanced by the internal energy transfer of the battery
Working Environment Temperature
-0°c to +60°c


Barcode # 0999A16
Brand Heltec
Shipping Weight 0.2500kg
Shipping Width 0.170m
Shipping Height 0.040m
Shipping Length 0.140m
Shipping Cubic 0.000952000m3

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