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A Samlex Inverter A modified sine inverter output is extreme THD - LOL Yes - Modified Sine Wave inverters can kill sensitive electronics such as chargers. They also cause a lot of excessive heating in motor windings. The output of a typical modified sine wave inverter below. Just nasty...

THD is Total Harmonic Distortion. An ideal AC voltage is a pure sine wave with absolutely no distortion to the "signal". Something close to this.. Usually THD on a cheap inverter or cheap generators output usually appears as noise and sometimes distortion of the sine wave. This example shows...

I looked at these a couple of weeks ago but ruled them out due to their poor THD specification. The Manual for the 24V 2200 specs the THD at: "an average THD of 15% (min 5%, max 25%) depending of load connected and the battery voltage" If your loads aren't fussy about THD then it may be OK for...

Correct SR1 below is the Slave Port

The battery charger in the 831 can only output a few amps so it's not going to charge an external battery very fast. The spec sheet for the charger doesn't clearly specify it's output capability but it eludes to it being capable of something between 3 and 7 amps. Of course the 831 will use some...