it's from their website- Descriptions specifically for trucks and RVs5000 watt pure sine wave inverter - 12 volt 50/60 Hz industrial. It was a bit tricky because not many people sell 5000w 12v pure sine wave inverter, many others on the market tend to come with a charger and other items for solar panel inputs etc. We only needed one inverter and GFCI sockets are rated at 20A per unit, we were looking for a flat inverter that would meet all requirements. After all the research, we were able to conclude that this is a solid piece of hardware. If anything changes we will definitely update this review. On their own website they also have a PDF of the manual for this particular inverter. -359-6703 and they have a live person who can help you with both support and email. Many other companies only send via email, some don't even have phone support. Trying to find the phone numbers of some of these other companies is very difficult. It's good. DC input voltage 13.2V (10.5-15V) No-load output voltage 120VAC +/- 3% Continuous 5000W peak power 10000W (1/2 second) Efficiency 91% No-load current (fan off) 2.6A 12 V Idle current (fan on ) 4.4A 12V Low battery: 10.0V Low battery Power on: 11.2V High battery: 15.9V with high feedback Power on: 15.0V Frequency selection 50/60 Hz Over temperature protection : -25ยบC to 79ยบC Fan Start Temperature: 40ยบCGFCI outlets rated at 20A per unit. Dimensions (inches) 23.75 x 8.88 x 6.25 Weight: 27 lbs Features 5000W continuous output 10000W surge 12V DC input Pure sine wave 60Hz or 50Hz switch High efficiency - improved low voltage output and cable for remote input /Power off, isolated ground and neutral short circuit protection (GFCI and AC switch) Power switch5 function protection LED indicator AC switch Two thermally controlled fans User manual 1 year technical support 1 year warranty Replacement of parts and labor Before we send it back, we can plug it in and it works, it seems to be a very good inverter and we can't say anything bad about it, we sent it back as it was an open box. There's nothing wrong with that, we don't have a meter or equipment to test the sine wave. I hope the review helps thanks
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