Pure sine-wave inverter: No design we examined with this particular aspect could match the output, run moments, and surge-protection capabilities of our picks, but it may be handy in unusual cases, and we typically want it—especially in types missing AVR. All sine-wave inverters transform DC energy into AC electric power, https://pantip00288.blogdiloz.com/35185081/the-definitive-guide-to-battery-ups-yuasa-npw36-12-12v-36w-cell