The Nitecore D4 is a 4 port intelligent universal smart charger

Compatible with almost all cylindrical rechargeable batteries.  The D4 automatically detects Li-ion, Ni-MH and Ni-Cd batteries and offers manual selection for LiFePO4 batteries.  It's independent channels are capable of charging 4 different types of batteries at the same time and it's LCD panel clearly displays charging parameters and progress.

The intelligent circuitry automatically detects battery chemistry and selects the optimal charge rate (CC, CV, dV/dt) and automatically stops charging when the battery is full.  Safety features include Over Temperature protection, Over Charge Protection, Reverse Polarity protection and heat dissipation design.

Compatible with and identifies Li-ion (26650, 22650, 18650, 17670, 18490, 17500, 18350, 16340(RCR123), 14500, 10440), Ni-MH and Ni-Cd (AA, AAA, AAAA) rechargeable batteries.

Includes Nitcore D4 Charger, Outlet Cord, Instruction booklet