... charge the phone Common for iphone4 / I phone4S Battery Type: Li-ion batteryCapacity: 4000mAh, Output voltage: DC 5V, Output Current: ≤ 700mA ... accessories, like LCD display screens, touch panel , back glass housing, battery ,protective cases, charger, USB data cable, screen protector...... Returns & ... for visiting our web, welcome to inquire us! New 4000mAh External Battery Charger For iPhone 4 4S