3S 12V 20A Balanced 18650 Lithium Battery Charger Protection BMS Board

The 3S 12V 20A Balanced 18650 Lithium Battery Charger Protection BMS Board is 11.1 to 12.6V 20A 3 series lithium batteries precision integrated circuit for fast and safe charging.

This is also a Balancing version protection PCB board that supports over charge protection, over discharge protection, and short circuit protection. Support 3.7V, 4.2V (full charger) 18650, 26650 polymer lithium batteries.

This is a 3 series 2.3 Version with 20A current and 12.6V voltage rating to charge 3 cells of Li-ion 18650 cell. This BMS module provides 20A output current and 100mA balanced current.

Specification

• Charging voltage: 12.6V to 13V
• Maximum Output current: 20A
• Maximum Output Power/Charging Power: 252W
• Quiescent current: max 30µA
• Operating temperature: -40C to +50C

Application

• Battery pack
• Consumer electronics product 12V voltage rating
• Power supply
• Power bank and charger

Features & details

Overcharge voltage range: 4.25V - 4.35V ± 0.05V

Over discharge voltage range: 2.3V - 3.0V ± 0.05V

Maximum working current: 20A

Operating temperature: -40C - +50C

Storage conditions: -40C - +80C

Quiescent current: Max 30uA

Effective life: More than 30,000 hours

Precautions:

1. Strictly according to the diagram wiring: 0V/4.2V/8.4V/12.6V, Otherwise it will cause damage to the chip.
2. After connection,it need to first charge activation, then will have the output.
3. Do not mix the good battery with poor or old battery

Short circuit protection: Can be protected. Need to charging for recovery