... Accept small order 2)Samsung 18650 cells 3)Jack DC connector 4)Dimension:57mm*57mm*69mm 5)5-7days afer confirm ... order 3S3P 12V 6600mAh ev li-ion battery pack for solar panel Specificationli-ion batteryTypeLithium-ion rechargeable ... demandAdvantages:1, High energy density2, High working voltage for single battery cells3, Pollution-free4, Long cycle life5, No memory effect6, ...