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TP4056 1.2A 5V Lithium Battery Charge / Discharge Protection Module
On board TP4056 lithium battery charging chip - On board micro USB port£¬ can connect chargers of most smartphones to provide charge for lithium battery - With reserved IN+ and IN- input port for DIY - With charging indicator - Support charging and discharging over-current protection - With constant current and constant voltage£¬ will auto stop if fully charged - Supports charging and discharging at the same time