There was a bad rainstorm coming, and we had a high water table from a severe snowmelt. I don't have a backup sump pump, and decided I should buy a portable generator in case we lost power (high winds predicted). Of course I couldn't find a generator, so I bought this as a last resort. Wasn't sure it would even work based on the output (rated at 6.something amps and my pump is 9.7), but figured it was better than having nothing. Sure enough, power went out, and at the time my pump was cycling about every half hour. Got this thing out, and was pleasantly surprised to find it powered my 1/3 HP sump pump without a problem. The sump pump nameplate claims draw of 9.7 Amps, but I believe that is only for a fraction of a second on startup as electric motors pull a big load on startup then settle to about 60% of that after the initiall surge. The great thing about this little inverter is it can handle a peak load of 1500W, which is around 12.5A. In the literature that came with the unit it states it has protection built in so it shuts down if it senses too high of a load but it states that doesn't happen until 15A! Anyway, this thing saved my butt, and was well worth the money. I cycled my sump pump as needed for about 3-4 hours til power came back, and also cycled a 1/2 HP utility pump (8 amp) to pump from a different area in between cycles on the main pump. Because of the load I was pulling, I had to have my truck running when I used it. I would definitely recommend this thing to anyone. Now, I'll probably not press my luck, and instead buy a generator for the next time we get one of these types of storms, but I intend on using this for powertools, radios etc, when I'm in remote areas.
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