ML12-12LI is a 12V 12Ah Lithium iron phosphate sealed, rechargeable and maintenance free battery. Direct drop in lead acid replacement - Pack of 2 Dimensions 5.94 inches x 3.87 inches x 3.94 inches. Terminal: F2. Listing is for the battery and screws only. No wire harness or mounting accessories included. Stronger, Lighter and Longer 2500 cycle life expectancy compared to the traditional sealed lead acid batteries. Designed for safety with built in Battery protection BMS. BMS provides high voltage protection, low voltage protection, over high current protection, high temperature protection, short circuit protection, and over charge protection. Designed to be used in parallel with a maximum of 4 identical batteries. Do not connect in series. Make sure to only use a compatible lithium charger for this battery. Having loose terminals will cause a buildup of heat resulting in damage to the battery. Full Two Year Warranty Mighty Max Battery 12V 12Ah Lithium Replacement Battery Compatible with ALEKO AC2200 Solar Gate Opener - 2 Pack