Heavy Duty 12V and 24V Jump Starter(JS-396) https://www.car-ku.com/products/Heavy-Duty-12V-and-24V-Jump-Starter.html Jumpstart in Extreme Cold: -40℃ (-40℉)Ready! Massive 8000A Peak Current: Quick & Robust Starts 352000mAh Battery Capacity: Enduring Power Versatile Compatibility: Works with All 12V Vehicles & Up to 560HP at 24V （*For Jump Starter ODM/OEM Solutions, secure your exclusive quotation now!） CARKU JUMP STARTER Model JS-396 Battery capacity 352000mAh(1133.44Wh) Size 340X222.5X263mm Weight 13.5kg Input USB-C (5V/2A，9V/2A); DC 29V/5A Output 5V/1A; 5V/2.4A；12V&24V jump starter Cycle life ≥2000 times Peak current 8000A Full charging time about 9 hours Operating temperature -20°C~60°C