Sun Energise 25W 12V Solar Powered Battery Charger & Maintainer, Built-in Smart MPPT Charge Controller, Waterproof 25 Watt 12 Volt Solar Panel Trickle Charging Kits for Car Auto Boat RV Marine Trailer SE-US-25W PRO is up for auction in Automotive. The current bid is $19.75, 78% below the $89.95 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.