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Working voltage: 18V
Open-circuit voltage: 21.6V
Maximum working current: 4.44A
Short circuit current: 4.88A
Working temperature: -20 ℃ ~ + 60 ℃
Foldable Size：16.14X13.38X0.98 inches/ 410X340X25mm
Expand Size:54.72X16.140.11inches /1390X410X3mm
Weight : 4.62lb/2.1kg
Folding solar charger make the solar panel charging kits smallest space and lowest weight. integrated USB and DC output, matching adapter parts alligator clip line, DC line, cigarette lighter, and adapter plug, can be directly applied to batteries, portable power, mobile phones, car batteries, notebook computers, Ipad, etc. Used in electronic devices below 18V.