BUILDMATE Ingco P20S Lithium-Ion Cordless Battery Charger Single / Dual Charging Port Fast Intelligent Charger Station – ICPT AVAILABLE IN:Single Port – FCLI20411Dual Port – FCLI2034Dual Port – FCLI2082 SPECIFICATION:Model: FCLI20411Input Power: 105WInput Voltage: 220V-240V~50/60HzOutput Voltage: 21VOutput Current: 4ACharges 21V 2.0Ah Battery in 0.5HrCharges 21V 4.0Ah Battery in 1Hr SPECIFICATION:Model: FCLI2034Input Power: 105WInput Voltage: 220V-240V~50/60HzOutput Voltage: 21VOutput Current: 4AAccepts Up To 2pcs P20s Battery PacksDual Active Battery Ports For Simultaneously ChargingCharges 21V 2.0Ah Battery in 0.5HrCharges 21V 4.0Ah Battery in 1Hr SPECIFICATION:Model: FCLI2082Input Power: 190WInput Voltage: 220V-240V~50/60HzOutput Voltage: 20VOutput Current: 4A 4AAccepts Up To 2pcs P20s Battery PacksDual Active Battery Ports For Individually Charging FEATURES:Light weight, charger control circuit adopt advance with good portabilityPower supply control technologyCan accurately track the battery charging process, and make the battery always in the best electrochemical reaction condition, in order to prolong its service life.This charger is reliable with multiple protections, such as over temperature protection, output short-circuit protection, reverse polarity protection, output over-voltage protection, that prevent damage by faulty operations.