3pcs USB 3.7V 3.6V 4.2V 1A 18650 TP4056 Lithium Battery Charger Module Charging Board Li-ion Power Supply Board
Shipping:Standard Shipping about 10-25 business days
Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Charge module:Linear charging
Full charge voltage:4.2V
Led indicator:Red is charging Green is full charged
Work temperature:-10 to +85
Size:25 x 19 x 10mm
1. Ampere meter can only be connected to 5v input end of the module.
2. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough.
3. The connection wire should not be too thick.
4. Make sure the connect point is good.
5. If the input voltage is too high, like 5.2v, the current will be less than 1000mA, it is normal. It is protection function, auto-substract the charging current to avoid burn damage to chip.
6. NO Reveral polarity.
3 x 5V USB 1A 18650 Lithium Battery Charging Board Charger Module
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