... day use.•Low voltage protection, over-charge protection, battery status indicator, adjustable output voltage, etc.•Durable and ... high power efficiency. Product SummaryItem No.SBB12-7DescriptionSolar Battery Back-upInput voltageDC18VOutput voltageDC12V-24VOutput voltage adjustableyesApplicable pump itemsBP401209 ... )3300Quantity per 40' container (pcs)6600Warranty1 year Solar Battery Backup (SBB12-7)