2S 20A 8.4V BMS Li-ion Battery Charger Protection Module Balanced

BMS (Battery Management System) – a battery management system designed to monitor the status of batteries, control the process of charging/discharging the battery, etc. Two batteries (18650)

$7.95

Out of stock

Qty Discount
2 - 4 5%
5 - 9 6.5%
10 + 8%
SKU: TS-P391
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Description:

2S 20A 8.4V BMS Li-ion Battery Charger Protection Module Balanced is Suitable for lithium batteries with a nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without limitation on the dimensions).

Features:

  • Charging voltage: 8.4V – 9.0V.
  • Continuous discharge current (upper limit): 20A (If the cooling environment is good, reduce the load current use).
  • Continuous charge current (upper limit): 10A.
  • Balanced version: Suitable for starting currents below 25A and below 50W power drills, or resistive loads below 168W, with a balanced charging function
  • Overcharge voltage range: 4.25-4.35v ± 0.05v
  • Quiescent current: less than 10uA
  • Internal resistance: less than 300mΩ
  • Equalizing current: 58mA
  • Operating temperature: -40 — +85 ℃
  • Effective life: more than 50,000 hours
  • Size 48 x 20 x 3.4mm

Package included: 1 x 2S 20A 8.4V BMS Balanced

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Development  Resources: demo codes, schematics, datasheets, etc

Setup :
Note 1: The successful start of power drill requires two 10C-20C power batteries, or four 5C-10C power batteries (ordinary 18650 can not start the drill! ! !); 0V and 8.4V cable, use 2 square mm Above copper wire (cannot use nickel plate!!!)
Note 2Connect 0V, 4.2V, 8.4V according to the diagram strictly. When connecting the battery for the first time, it needs to be charged before output.
  • B +: connected to the battery positive;
  • B-: connected to the battery negative;
  • MB: Connect the connection point between battery 1 and battery 2;
  • P +: charge / discharge positive (charge / discharge common);
  • P-: charge / discharge negative (charge / discharge common).

 

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Notes:

1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angles and display monitors.

Weight 0.010 kg
Dimensions 6 × 1 × 4 cm


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