Battery Chemistry: Consider lead-acid (affordable but shorter life) or lithium-ion (long-lasting and efficient). Make sure the battery voltage aligns with your inverter’s voltage (common options: 12V, 24V, or 48V).
[pdf] The purpose of an inverter drive is to convert AC mains (single-phase or three-phase) into a smoothed DC (direct current) supply to operate a motor. Inverters also introduce the ability to control speeds, accel.
[pdf] High-frequency inverters have a much higher internal switching frequency than conventional low-frequency inverters - typically 20 kHz to 100 kHz. High-frequency inverters use high-frequency switches to convert incoming low-voltage DC power to high-frequency low-voltage AC power.
[pdf] 
