Charging slots is capable of monitoring and charging batteries independently. Additionally， yellow and red power/charging status indicator lights could visibly indicate battery status and charging process. It's as simple as insert， detect and charge. Capable of charging 2 batteries simultaneously Automatically identifies Li-ion， Ni-MH and Ni-Cd rechargeable batteries Automatically detects battery status and selects the appropriate voltage and charge mode Automatically stops charging when complete Features reverse polarity protection Designed for optimal heat dissipationInput voltage: AC 100-240V， DC12-24V Input power: 10W Output voltage: 4.2V ��1% Output current: 0.5A��2 Dimensions: 110mm��59mm��30mm Weight: 97g Compatible with: Li-ion: 26650， 18650， 14500 etc. Li-ion batteryPackage included: 1 x 26650 18650 14500 Battery Charger (not included the battery ) 1 x power cord 1 x adapter (free)