... 50*23mm Backup for your electronics Portable battery with charger 4400mah (with charger)easy to carryWeight: 150gSize:112*50*23mmBackup for ... : USB 5V 800 mACycle life: 500 times Application:Micro-projector , Mobile phone, iphone / ipod / ipad , Tablet PC , DSC , DV, E ... , MP4, GPS , PSP , PDA ....... and so on. Advantage:With charger on the batterySupport charge and discharge for the batteryA good ...