I think with the new advances in battery operated equipment it is the up and coming thing. Especially with occasional users where units set for long periods of time and gas will go stale and gunk up the carbs. Also with the older generation and ladies who are not able to pull start the gas units.
All tools are 60volts. I bought a self propelled 21" mower, string trimmer , blower, chainsaw, hedge trimmer, & an auxiliary power source. [ turns 60v to 300w of power. I am VERY pleased with everything & the cost was no more than gas powered. .