Used once With 20V power at your command you get more power, longer runtime and less downtime. This 3 Ah lithium-ion battery can be used with a partial charge. The easy-view fuel gauge tells you exactly how much power remains before you need to grab another battery. 2x more power than 1.5 Ah batteries Easy-view fuel gauge Works with all BAUER™ cordless tools Can be used with partial charge The BAUER™ 20V 3 Amp Rapid-Plus Battery Charger delivers 75% faster charge time, minimizing downtime on the job. Built with full system compatibility, this Fast Charger is capable of charging all BAUER™ 20V batteries. This charger was designed with a built in microprocessor that monitors the health of the battery to prevent overcharging, overheating, or charging when there is damage to the battery cell. Spend more time on the tool and less time on the charger with this 3 Amp Rapid-Plus Charger from BAUER™. Charges all BAUER™ 20V lithium-ion batteries Compatible with the BAUER™ 20V Cordless System LED status indicator lights give you accurate updates on charge time remaining Prevents overcharge, hot/cold extreme charging, charging when battery is damaged Compact, lightweight design easily fits in tool bags or on your work bench Durable impact resistant housing protects against accidental drops