This external two-slot battery charger is designed to charge two primary batteries at the same time. This means both batteries can be charged and stored together when there isn't enough space for power sockets. AC input: 100 V - 240 V DC output: 13.05 V, 2.4 A max. Number of charging slots: 2 Dimensions: 160 x 180 x 72.5 mm (L x W x H) Weight: 1.2 kg Incl. AC adapter and power cable