3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 12.6V Cell

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About this item

Suitable range: For nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries)
Product Size: 64mmx20mmx3.4mm
Charging voltage: 12.6V
Maximum output current: 20A
Maximum output power / charging power: 252W

Electrical Parameters        
Item Minimum Typical Maximum Unit
Consumable Current 12 18 24 uA
Over charge protection voltage  4.2 4.25 4.3 V
Over charge recovery voltage 4.1 4.16 4.2 V
Over charge delay time 500 1000 1500 ms
Over discharge protection voltage 2.35 2.5 2.7 V
Over discharge recovery  voltage 2.9 3.2 3.3 V
Over discharge delav time 50 100 150 ms
Conduction resistance 10 12 14
Overcurrent protection current 37 40 43 A
Ovcrcurrcnt delay time 5 10 15 ms
Normal operating current 0 20 20 A
Transient current (<10ms) 18 20 22 A
Ambient temperature -40 25 85 °C


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 and poor battery to use.The internal resistance of 3 battery capacity are closer will be better.Please buyers know the
    professional knowledge of this module before buying

Package Included:

1 x PCB Protection Board

Shipping information

(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Return and exchanges

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.