Power Queen 12V 200Ah Plus LiFePO4 Battery with 14.6V 20A LiFePO4 Battery Charger. Built-in 200A BMS,protect lithium batteries from overcharge, over-discharge, over-current, high-temp and short circuit unexpected situations. Low self-discharge rate, efficient power storage. 4000+ Cycles with 10-year lifespan,charge fully faster than the traditional lead-acid battery. It weighs only 52.47 pounds, easy to move and install. Perfect for Kayak, RV, Trailer, Solar Application. FCC, CE, Rohs, UL Testing, PSE, IP65 Certificates.5 Years Warranty of Battery & 2 Years Warranty of Charger.