Pure sine-wave inverter: No model we examined with this particular aspect could match the output, run periods, and surge-protection capabilities of our picks, but it may be handy in rare scenarios, and we generally choose it—specifically in designs lacking AVR. All sine-wave inverters change DC energy into AC electrical power, https://brazilianwax71592.boyblogguide.com/35262898/the-2-minute-rule-for-ups-battery-lithium