kobalt 80-volt max 26-in baretool dual cordless hedge trimmer (battery not included) kobalt our highest voltage. that’s exactly what kobalt’s rugged lineup of 80v max tools delivers, thanks to its professional-grade lithium-ion battery platform. you get longer run-time with no gradual drop in power, and because kobalt equipment is designed to make your job easier, all our batteries can be quickly swapped to keep you rolling – and blowing and cutting and trimming.