RP-DLPE17 Battery Charger Plate Max Power1500 mAh (Max) Charging Voltage8.4V Operating Temperature–20°C to +45°C (–4°F to +113°F) Dimensions (WxDxH)5.1 x 6.3 x 1.1cm / 2 x 2.5 x 0.4″ ~25g / 0.88 oz Use only with RP-DC50, HED-DC55, RP-DC40 and RP-DC30 DV Battery Chargers