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The NiteCore D4 is a universal automatic smart-charger that is compatible with most rechargeable batteries including IMR/Li-ion, Ni-MH and Ni-Cd batteries. The D4 has four battery slots, eliminating the need to own several chargers. It can recharge four batteries at the same time and each of the microcomputer-controlled charging ports can monitor and charge batteries independently. The D4 detects each battery's status and auto selects the appropriate charge mode, either Constant Charge Current (CC), Constant Charge Voltage (CV) or Trickle Charge. An integrated LCD screen shows the current charging status of each battery, as well as voltage and current. Constructed from ABS flame-retardant and resistant material, the D4 includes several safety features such as over-charge protection, auto-shut-off for fully charged batteries, and reverse polarity protection.

The Nitecore Intellicharger i4 by NiteCore is an ultimate universal automatic smart battery charger that works with most rechargeable batteries. The 4 bay i4 Intellicharger automatically adjusts the current & voltage to fit the batteries that it detects in the bays to independently charge each battery bay.

The NiteCore D2 is a universal automatic smart-charger that is compatible with most rechargeable batteries including IMR/Li-ion, Ni-MH and Ni-Cd batteries. The D2 has two battery slots, eliminating the need to own several chargers. It can recharge two batteries at the same time and each of the microcomputer-controlled charging ports can auto-detect, monitor, and charge batteries independently. The D2 detects each battery’s status and auto selects the appropriate charge mode, either Constant Charge Current (CC), Constant Charge Voltage (CV) or Trickle Charge. An integrated LCD screen shows the current charging status of each battery, as well as voltage and current. Constructed from ABS flame-retardant and resistant material, the D2 includes several safety features such as over-charge protection, auto-shut-off for fully charged batteries, and reverse polarity protection.