BUNDLE: Nitecore D4 Digi charger compatible with IMR LifePO4 Li-ion Ni-MH NiCd batteries (18650 26650 18490 18350 17670 17500 10440 16340 14500 AA AAA AAAA C) w/ 4x 18650 3400mAh Rechargeable batteries NL189, 1x battery case and Lightjunction Keychain Light Capable of charging 4 batteries simultaneously Compatible with LiFePO4 batteries Compatible with small capacity batteries Automatically stops charging when complete Includes: D4 Charger, 4x 18650 3400mAh, battery case and Lightjunction Keychain ligth