Varta 57070 201 401. Compatible battery sizes AA.AAA. Compatible battery technologies Nickel-Metal Hydride (NiMH). Product colour Silver. Housing material Plastic. Type Indoor battery charger. Input voltage 100-240 V. Input frequency 50/60 Hz. Output current 1.4 A. Battery technology Nickel-Metal Hydride (NiMH). Battery voltage 1.2 V. Battery recharge time 2 h