kobalts 80-volt max 16-in straight cordless string trimmer (battery/charger included) kobalts what do you get when the best gets even better? kobalt’s robust lineup of second-generation 80v battery-operated yard tools boast bigger batteries to help tackle even tougher jobs. you don’t slow down, and neither do we. larger batteries mean longer runtimes, even more power and a host of technological and design upgrades that deliver unmatched performance. no matter what your list includes, our exceptional new line helps you master it.