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How do I convert battery power to AC power?

  DC power from batteries can be converted to AC power by using suitably sized power inverters. Inverters are solid-state electronic devices with transistors or IGBTs using fast switching patterns to convert the DC voltage from the batteries into AC power. Large solar panel arrays and large Uninterruptible Power Supplies (UPS) also use invertes using high-power semiconductors like IGBTs to convert DC into AC powers.

   You need a circuit to change the DC battery power to PDC (pulsating direct current) which usually involves thyristors; once established it can be stepped up or down to the desired voltage. Frequency plays a part here, but for this example we can assume we’re talking about standard line frequency, 60 HZ. The ensuing “wave “ may not exactly emulate the classic 60 hz sine wave because of inductive reactance inherent in the transformer but for utile purposes it SHOULD work in most devices designed for use in 60 hz devices.