The Battery Mate electronic charge splitter allows you to charge multiple battery banks simultaneously from a single alternator/charger while isolating them from each other. The voltage drop is extremely low this time (<0.4 V approximately), allowing it to achieve higher efficiency. Maximum charger output: 120A - Maximum alternator output: 160A - 2 battery banks - Dimensions: 207 x 140 x 80 mm - Weight: 1 kg.