... .5 W + (1.25 W *4) = 12.5 Product descriptionSolar digital camera backpack, travel bag,laptop bag,charging bag X-SX08Item description ... , support cell phones, digital camera, PDA, PMP, GPS etc 5 V charging digital products.b.(eight file adjustable output) 3 V 1 A, support ... car battery charging. 24 V support truck battery charge. Solar digital camera backpack, travel bag,laptop bag,charging bag X-SX08