The Xtar MC6 can recharge up to 6 Li-ion accus at the same time with a "smart charge
XTAR MC6 QUEEN CHARGER
It has the distinction of having 2 connections port 1 handles the load of slots 1 and 6 for a charge from 1A to 500mA,
Port 2 handles slots 2 to 5 for a 1A charge for 2 slots or 500mA for 4.
It is compatible with Li-ion /IMR /INR /ICR batteries in