... converters. All you need to do is plug your smart phone, iPhone, iPad , MP3 Player, tablets, etc. ... interfaces which can charge two digital products, such as smart phone (iphone, Blackberry, Nokia, HTC, Motorola) or IPAD, ... three month if you don’t use it long time.3. The Polymer battery has no battery ... , please charge the plug in order to avoid long time charging and battery’s damaging. When power ...