This is a universal, automatic smart-charger compatible with almost all types of rechargeable batteries thus eliminating the need to own several chargers. The is able to automatically identify Li-ion, Ni-MH and Ni-Cd rechargeable batteries and apply an appropriate charging mode (Constant Charge Current (CC), Constant Charge Voltage (CV) and Trickle Charge).Additionally, yellow and blue power/charging status indicator lights could visibly indicate battery status and charging process. Features: Capable of charging 4 batteries simultaneously Each of the four battery slots monitors and charges independently Automatically identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries Features three charging modes (CC, CV and Trickle Charge) Automatically detects battery status and selects the appropriate voltage and charge mode 3 Color LED displays charging progress for each battery Automatically stops charging when complete Features reverse polarity protection Designed for optimal heat dissipation Certified by both RoHS and CE Input voltage: AC 100-240V 50/60HZ or DC 12V Compatible with: Li-ion: 26650, 22650, 18650, 17670, 18490, 17500, 17335, 16340(RCR123), 14500, 10440 Ni-MH/Ni-Cd: AA, AAA, C. 2 X Fenix ARB-L2 rechargeable battery This battery is especially designed for Fenix's high-intensity flashlights. The Fenix 18650 features large capacity, outstanding performance, great reliability, and compact design. Product Specifications: • 2600 mAh large-capacity battery with outstanding performance •The battery has triple over-heat protect for safety and reliability •Built in over-charge, over-discharge protection circuit to ensure the maximum performance of the battery •3.6 Volt Bundle include EdisonBright batteries (Non-rechargeable) sampler pack