Features: 1.The charger has built-in aluminum heat sink, which effectively prevent the internal temperature of the charger to be too high and cause damage to the charger. 2.Reverse short circuit protection designed for safely use. 3.Configure 4 battery indicators in percentage to detect battery level, which is easy to know battery status. 4.When the voltage is less than 6V battery the devices may not be able to charge, which will not happen with Intelligent repair protection. 5.It can charge up to 20AH battery. specification: The charger has built-in aluminum heat sink, which effectively prevent the internal temperature of the charger to be too high and cause damage to the charger. Reverse short circuit protection designed for safely use. Configure 4 battery indicators in percentage to detect battery level, which is easy to know battery status. When the voltage is less than 6V battery the devices may not be able to charge, which will not happen with Intelligent repair protection. Made of ABS, strong and durable, not easy to be damaged. It can charge up to 20AH battery. : Type: Charger Material: ABS Voltage: 110-240V Output parameters: 12V 2A Application: Can charge up to 20AH battery Product size: About 13 * 7 * 4.2(cm) / 5.1 * 2.7 * 1.6in Charging time: About 10 (h) Standard: US, EU(optional) Package List: 1 * Charger