Won't go up to the 300 watts unless you put 14,45VDC, at 12,68VDC it couldn't hold 270W for 2 minutes, it go On and Off cycle. Still work for my setup to light some LED for power outage (7x18W) while the big pure sine inverter power the pump, furnace, freezer and fridge. Still decent for the price unless shadowbidders inflate the bids.
Verified purchase: Yes | Condition: New
Wish this had a higher watt rating but for the price u cant beat it it's hard to rate performance cause I just received it I won't try it out for a couple weeks
Verified purchase: Yes | Condition: New
I use a portable phone and it works fine with this pure sinewave
Verified purchase: Yes | Condition: New
Works well, not sure if 300 watt continuous is true output power. but it works great for my needs
Verified purchase: Yes | Condition: New
Going on 4 years now of moderate monthly use (several days straight each month) still working good. Don't expect to power much with it as it's quit low rated only 300w continues output. Very pleased with the clean and well regulated true sinewave output.
Verified purchase: No
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