Specifications: Brand Name: Alonefire Model Name: MC4 Material: Plastic Weight: 126g/0.28LB Size: 110mm/4.33in x102mm/4.02in x28mm/1.102in Plug: Standard USB Input voltage: DC5V/2A Output: about 4.2V -4x 0.6A Compatible with IIndividual/Li-ion: Able to charge:26700,26650,26500,25500,22700,21700,20700,22650,22500,18700,18650,18500,18490,18350,17650,16650,16340(CR123),14650,14500....... rechargeable battery Color:Bla