Features: Safety Design: multiple protections include short circuit protection, polarity error protection, overheating protection, over current protection, low-voltage protection and over voltage protection, which provides use safety. 5 Charge Stages: no-load mode for bad contact or battery replacement in charging; constant current charging for battery protection; constant voltage charging for overcharging prevention; float charging; and weak current supply/full charge. Wide Applications: it is compatible with 12.6V lithium battery or 12V/24V lead-acid battery, water battery, maintenance-free battery, dry battery, gel battery, solar battery, etc. It can be used in charging scooter, motorcycle, car, small truck and more. Reliable Quality: it is made up of pure copper transformer, aluminum heat dissipation and good quality clip, which ensures stable and excellent performance, long life time. Easy Operation: it is designed for easily use, one button for switch automatic/manual mode. Besides, voltage and current on digital display clearly show charging status in stages. Specifications: Material: Metal Plug: US Plug Input Voltage: 110-250V Output Voltage: 12V/24V Power: 180W Frequency: 50-60HZ Working Current: 0-10A (Auto-adjust) Voltage Identification: 12V Peak (8-14.5V); 24V Peak (18-29V) Working Temperature: -30~35℃ Item Size: 175*138*60mm / 6.89*5.43*2.36in Item Weight: 700g / 24.69oz Package Size: 200*150*80mm / 7.87*5.90*3.15in Note: Charger only, other accessories are not included. Due to manual measurement, there may be deviation. Due to lighting, the item in picture and material object may slightly differ in color, please in kind prevail. The charging time depends on the capacity of battery. Please do not block cooling fan or use the charger with cooling fan stopped. Please prevent the charger from rain or water to avoid damage. Packing List: 1 * Charger 1 * User Manual (English)