This cable is used to connect the solar panel for charging the Mark 3 Battery. Specifications: Wire size: 16AWG Rated Current:10A Length: 2m Note: 1. The Mark 3 battery charging voltage range is 12V-60V, if solar panel total output exceeds 60V, please do not charge the battery, as it may damage the battery. 2. This product is only for ZERO BREEZE Mark 3 battery. It can't be used for ZERO BREEZE Air Conditioner Mark 1 battery or Mark 2 battery. 3. Accessories do not support the 30-day return policy. Tutorial video for reference