Power Queen 12.8V 50Ah Lithium Iron Phosphate Battery takes the hassle out of maintaining and utilizing the power you need. It weighs only 11.57 pounds, easy to move and install. Low self-discharge rate, efficient power storage, which can save your charging time than the traditional SLA battery. Widely Used in Wireless Lawn Mover, Electric Scooters ,RV, Solar, Household Battery, Off-grid System, Electric Handicap and so on.24 hours Customer Service & 5-Year Warranty,buy with confidence!