Product brand: InterStep Log in to charge the battery: microUSB, 5V / 2A Outputs: 1USB / 2A Battery Capacity: 5200 mAh / 3.7V Battery Type: Li-Ion Number of cyclo battery: up to 500 Temperature range: - 15C˚ + 50C˚ Weight: 130 gr. Dimensions: 71x55x23 mm Number of smartphone charges: x2 (Depends on smartphone battery capacity) Number plate charges: + 75% (Depends on the charge the tablet battery capacity) Additional option: The "pass-through charge" Comment product: Universal Power Bank external battery with a capacity of 5200 mAh. Housing: soft-touch Display with indication of percent residue of the charge capacity USB output current up to 2A Battery Weight: 130g Support functions "charge through" - a charge both the battery and the connected smartphone / tablet. (Thus can simultaneously charge both devices)