... .5 W + (1.25 W *4) = 12.5 Product descriptionSolar digital camera backpack, travel bag,laptop bag,charging bag X-SX08Item description ... , etc.6 V 1 A, support all 6 V charging requirements of digital products.9 V / 12 V 2 A, support zoom digital camera, DV ... car battery charging. 24 V support truck battery charge. Solar digital camera backpack, travel bag,laptop bag,charging bag X-SX08