Smart battery charger for cars 12V 10A with maintainer function 1、Application: Universal for 12V 24V 4‑150Ah batteries, intelligent multi stage curve charging to extend battery life to protect the battery. It's smaller but delivers more power. Multiple modes to choose from, including maintenance mode, motorbike mode, normal battery mode, start stop battery mode, car mode. 2、Smart Control: Automatically detect the charging environment temperature, automatically adjust the charging voltage, so that your battery reaches the best state. MCU precisely controls the charging procedure and intelligently controls the regulation to make charging easier without damaging the battery. 3、Restore Your Battery: Battery sulphation can be better eliminated through the use of intelligent reconditioning technology, which removes the deep sulphation inside the pole plates and greatly restores the battery to its original condition. 4、Safety Features: Reverse connection prevention, short circuit prevention, overcurrent prevention, overheating prevention, electric shock prevention, overcharging prevention, fire prevention, low voltage prevention, ensuring safety during charging. 5、Efficient Heat Dissipation: Adopting high performance intelligent silent fan cooling, combined with intelligent control, running quietly under charging state, quiet and comfortable, significantly prolonging service life.