Rated power : 3 (W) – Voltage : 6 (V) – Specification : 6V 3W + USB 145*145 – 6V 3.5W + USB 135*165 – 6V 4.5W + USB 165*165 – 6V 6W + USB 170 * 230 – A: Solar panel 6V 6W (size 275*170+ voltage regulator module) – B: Solar panel 6V 10W (size 340*220+ voltage regulator module)