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TLP4056 charger is an useful, small shaped and low priced product. You can charge lithium batteries via USB which have micro USB input.
A micro USB connector is available on board. Power supply can be provide with micro USB cable via this connection or with a 5V source via IN+ and IN- pins.
At the bottom side of the board, BAT- and BAT+ pins are available. These pins are connection point of the batteries. You can plug 3.7V batteries to these connection points.
USB cable is not include the package.
Technical Specifications: