Ideal 4-channel charger for those that find it essential to cycle many batteries throughout the day. Utilizing all charge routines, the XC'S charging efficiency is among the highest in the industry compared to other chargers. Quick charge current:2 batteries(one on 1wst or 2nd CH and another on 3rd or 4th CH)-3A, 4 batteries-2A Power supply output: 70W/100W Size:12.5""×2""×10.2"" Weight: 5.5 lbs Input voltage: 90-240V AC50/60Hz