How To Add A USB To A Mains Battery Charger

This charger is designed to charge Li-Ion 3.7V DC batteries from the mains but what about having a lead that you can charge the battery from a usb port.

Watch as Paul shows you how to add a usb lead to a 100-240V AC battery charger.

Simple and straightforward.

Please remember not to overcharge a battery.

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This video is for guide purposes.