The Mastervolt 79007712 battery connection kit provides all the required safety accessories in one simple to install compact construction, which is designed to sit on top of the MLI Ultra lithium ion batteries. The kit contains a safety relay, two bus bar conductors and a T-fuse holder, however the fuse is not supplied with the kit as you should order the appropriate rating for your requirements. General specifications Compatibility: MLI Ultra 12/2750, MLI Ultra 12/5500 Max. current: 300 A Operating temperature: -25 C to 50 C (-13 F to 122 F) Dimensions: total height increases by 65 mm / 2.5 inch Weight: total weight increases by 2 kg Delivered with: mounting bracket, safety relay, T-fuse holder, busbar conductor (2x) Technical specifications Safety relay: 12 V DC - 500 A Max. voltage: 64 V