... /PDA etc2000mah lithium rechargeable batteryAluminum alloy shell, 5 color available.Charge for mobile phone, MP3 etc. Quick charge, ... /PDA etc4400mah lithium rechargeable batteryAluminum alloy shell, 5 color available.Charge for mobile phone, MP3 etc. Quick charge, ... 4. Battery Type: Lithium Polymer Rechargeable Battery.5. Color available, Silver, black, blue, pink and yellow.6. Output voltage/current: ...