Nitecore Sysmax I4 Intellicharge i4 version 2 Four Bays universal battery charger, Two Nitecore RCR123 NL166 650mAH rechargeable batteries with Smith & Wesson Carabeamer LED Clip Light Capable of charging 4 batteries simultaneously Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries Features three charging modes (CC, CV and Trickle Charge) 2X Nitecore RCR123type NL166 batteries and Smith & Wesson LED Clip light included.