... , CE FCC ROHS portable wireless battery chargerThis universal battery charger is suitable for iPhone 4, iPhone 4S, iPad, mobile phone, MP3, MP4, PSP and ... li-ion polymer,equivalent to 8-10 pcs of mobile phone battery that can standby about 30 days.♦ Built-in OVP,ODP ... bank, at least 3 new designed products each month. portable wireless battery charger