Ventev Powercell 3015c portable battery charger comes with a built-in cable. Ventev Powercell features a 3000mAh lithium-ion polymer battery. Ventev Powercell features LED lights which make it easy to read the battery level. Slim, lightweight aluminum housing fits easily in pocket or purse. You can plug the Powercell 3015c through provided micro USB input charge port. Output: 5V, 1A (5W). Micro USB input: 5V, 1A (5W). Ventev Part Number: 543600. Only compatible with Apple brand products.