The Nitecore Intellicharger i4 by NiteCore is a universal automatic smart-charger that works with most rechargeable batteries including IMR/Li-ion, Ni-MH, and Ni-Cd batteries.
The i4 features multiple charge modes: Constant Charge Current (CC), Constant Charge Voltage (CV) and Trickle Charge. It can recharge four batteries simultaneously and each microcomputer-controlled charging ports can monitor and charge batteries independently of each other.
Nitecore's i4 detects a battery’s status and auto selects the appropriate mode, with an LED light displaying the current charging status. The i4 is made from ABS flame-retardant and resistant material, as well as including several safety features including over-charge protection, auto-shut-off for fully charged batteries and reverse polarity protection.