Item Name: 4 Slots 18650 Ni-MH Charging Slot Li-ion Battery Smart Charger Battery Charger. Description:Multiple safety protection, ensure charging safetySize: As shown in the pictureUSB interface supports multiple input devicesInput: 5V2ARetractable charging post, suitable for all sizes of batteriesApplicable battery: Lithium battery, NiMH batteryOutput: 4.2V2A / 4.2V1A / 4.2V0.5A / 1.45V0.5AWeight: 120GCompatible with a wide range of battery types:3.6V/3.7VLi-ion:10400/14500/14650/16340 (RCR123)/18350/18500/18490/18650/20700/21700/22650/26650/26700 1.2VNi-MH/Ni-CD:AAAA/AAA/AA/A/SC/C/F6 Package Included:1 x Battery Charger