... PDA, PSP ,Mp3, MP4 etc2.Flexible recharging of Power Pack via notebook USB Port or wall adaptor with ... USB chargingcable3.Portable, rechargeable and universal power pack4.safety with PCM to avoid overdischarge, ... if you want to produce your own mobile power, MOQ is 500pcs.1.Charging Instructions:Charge the ... to give you more details. Mobile Power,cellular power station, battery power