1.The design of ultra-thin shape, 2.non-slip surface ... the charger to charge the battery, charging,Overcharge protection: The battery voltage is 4.3V ± 0. ... .4V ± 0.1V, the battery automatic protection, closed dischargeShort circuit protection: normal operation, the output is shorted, ... iPad / iPhone, mobile phones, MP3, MP4, GPS and other digital products Pbank-078 power bank/mobile power for Iphone/Ipod ...