... the solar energy to electrical energy which provide for the system. The module is lighter, flexible , foldable, and portable, ... on the move frequently. 2,LS12300 portable control box.This part is composed of rechargeable batteries, controller, 12VDC/220VAC inverter ... than 300W.Reasonable use can prolong its lifetime. Specification System voltage12 VCharging cut-off voltage14.5 VLow-voltage alarming ...