Suitable for 12V 100Ah, 125Ah and 300Ah batteries Charges individual 12V batteries, or multiple batteries in parallel. Constant current, constant voltage (CCCV) Stops charging once 14.6V is reached. Smart Charger with advanced BMS (Battery Management System) 1 Year Warranty Green and Red indicator lights for charging status. (Green: Power or Charging Completed. Red: Charging) Bluetooth-connected smartphone application shows charge level and time to charge when using Ionic Lithium Batteries. Can also charge lead acid and AGM batteries.