G.T. Power X2 PRO V2 AC/DC Dual Channels Intelligent Balance Charger Discharger US Plug. Multifunctional, all-in-one smart charger. Two individual outputs, with the possibility of simultaneous charging. 2 individual outputsPossibility to select Smart Distribution and Equal Distribution. Smart Distributionis an intelligent charging according to the start of charging, which will fully charge with 200W the first battery that has started charging. Time saving and more efficient. Equal Distributionis a full charge with 200W from the first battery connected, and an equalize charge with 100W if two batteries are connected.