In the second sentence, please change “zero-exhaust” to “zero exhaust emissions” and, in the third sentence, add “, so you can keep going until the job is done.” (notice the comma that should go after “fatigue”). After the copy, in its own paragraph, add: Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. Batteries and chargers can be purchased separately or as a combined set with tool.