Specification:MaterialMonocrystalline SiliconColourBlackSolar Panel Dimension28 x 28 x 0.2cm/11 x 11 x 0.08” Voltage12VCharging Time2HOpen Circuit Voltage (VOC)5VShort Circuit Current (ISC)3AMaximum power supply voltage6VShort circuit current2AJunction boxIP67 RETEDWorking temperature-40℃+85℃Ty..