This USB Ansmann Comfort Smart battery charger for AA and AAA rechargeable batteries has the Perfect 7 Stage Charging Technology. The Ansmann Comfort Smart can charge between 1-4 AA or AAA NiMH Batteries. This product is currently on a special offer from BuyaBattery.co.uk, Official UK Ansmann Distributors. Different colour LED's indicate charging and when the batteries are ready. Comes with Ansmann's 3 year warranty. Please note that a minimum 2.1A Power Source is required for fastest charging. Perfect 7 Charging Stages Capacity Quick Test Gentle pre-charging Battery analysis Quick charge IQ Switch off Top-off charge Trickle charge  Time to Charge AAA Rechargeable BatteriesAAA 550mAh in 1 Hour 35 minutesAAA 800mAh in 2 Hour 25 minutesAAA 1000mAh in 3 Hours Time to Charge AA Rechargeable BatteriesAA 1300mAh in 2 HoursAA 2100mAh in 3 HoursAA 2650mAh in 4 HoursAA 2850mAh in 4 Hours 20 minutes Â
