... CE Duo battery solar controller 10A 12/24V charge 2 battery(bank) Duo battery solar controller 10A is designed ... boats.Model no: 1. SLC20-DB, 12/24V, 10A (for both PV and load) 2. SLC20-DB, 12/24V, 15A (for ... both PV and load) 3. SLC20-DB, 12/24V, 20A ( ... for both PV and load)Product Features: 1. State of charge(SOC) 2. PWM Control ...