1900mAh Backup Rechargeable Backup Battery Charger Case Cover For iPhone 4S 4 100% Brand New Hight Quality Rechargeable lithium polymer battery Circle Time: &gt;500 Times,long service life LCD battery indication light,press button to show Switch to turn on/off the charger cover Included: 1 X charger case, 1 X stand with random color, 1 X USB connector