Specifications: Input: DC 5V / 2.1A Output: DC 8.4V / 700mA x1 / 500mA x2 (CH1 / CH2) Dimensions: 11.5 x 7 x 1.9 cm Connectors: Micro USB (input), 2 charging slots ( Suitable for the following camera types: Olympus PEN E-PL2, E-PL3, PEN E-P3, E-PM1, STYLUS 1 Suitable for the following battery models: Olympus BLS5 / BLS50 he PATONA BLS5 USB dual charger is ideal due to its extremely compact design also for travel or professional users. The BLS5 Dual Charger is a practical and reliable companion for any digital photo shoot. It is possible to charge 2 batteries at the same time. The charger can be powered via any standard USB port with the supplied Micro USB cable. An integrated automatic shutdown system prevents damage to the batteries due to overcharging.