The charging cable contains heat-resistant and oxidation-resistant copper wire, which is not easy to break. Smart control, temp compensation in hot climates, and under-charging in cold climates reverse protection. 7-stage microprocessor-controlled charging process provides the best possible application and enables efficient battery charging. With multiple protection, ensuring the safety charging at any time anywhere, you don't need to worry! Easy to use, just plug and charge, stay at home and charge your batteries on your own, first need to select the right charging mode, then just plug your battery and leave it alone, and it will charge and maintain batteries automatically. It is a must-have tool for your garage.