Designed for 12-volt lead-acid batteries, including most flooded, gel, AGM, and maintenance-free, as well as automotive, marine, RV, and deep-cycle batteries. Engineered to be securely mounted nearby the battery with its snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws. Integrated thermal sensor to maximize battery life and automatically compensates charging for both cold and hot environments. Safe charging without any risk of overcharging batteries, plus additional safety like spark-proof connections, and reverse polarity protection. Includes a 2-amp direct-mount battery charger and battery maintainer with a 24-inch Type-A A/C cable and 24-inch D/C cable with eyelets, plus a mounting bracket, self-tapping truss-head screws, and user guide, plus a 3-year hassle-free warranty.