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The Sunforce 11240 1000 W pure sine wave inverter is the tool you need to provide stable power to run a pump or mini motor that a modified sine wave inverter cannot. This is excellent for powering home appliances directly from your 12V battery; DC to AC pure sine wave. With 2000 watts of high surge power, this product is the perfect solution for power failure emergencies. The 11240 features numerous safety features including an overload alarm and LED light, a soft start system, low battery shut down, DC input overload voltage, output overload, overload temperature, short circuit shut down, and a high speed cooling fan. Equipped with two 110V household electrical outlets, this inverter is so advanced that it is patented. The 11240 provides continuous power of 1000 watts and has a 2000 watt surge power capability. Your purchase comes with a full product manual, and a DC/AC power inverter remote control modular connector cable and key chain remote.
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Technical Details
- Provides stable power to run a pump or mini motor that modified sine wave inverters cannot- Equipped with two 110V household electrical outlets
- Short circuit shut down and high speed cooling fan
- Surge Power up to 2000 Watts
- Power home appliances directly from your 12V battery (DC to AC pure sine wave)
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By M. Shipula (Neshanic, NJ)
Great unit for the price. the remote a real plus. Runs my pellet stove with no problem.
By Tacoman (Northern California)
I've had the Sunforce 1000w inverter for a couple of weeks now. Like a kid with a new toy, I had to try it on a couple things.
1. Bass guitar amp - First thing I noticed was the static noise was a lot louder than when it was plugged into grid power. I guess the power isn't as clean as it should be for a pure sine wave inverter.
2. Rice cooker - It drew around 600 watts according to my Kill-A-Watt. The inverter cooling fan was turning on and off very frequently during cooking. When the rice cooker was done and went to "keep warm" mode, it was only drawing 40 watts but the cooling fan still turns on and off for a while until I unplugged it. I can see the fan turn on for any draw over 500 watts, but 40 watts???
Pros - It works. Cheap price. Cool remote power unit. Power information display panel.
Cons - Like other reviews, no way to mount it. Fan turns on at really low power consumption. The heatsinks are plastic and serves no real purpose. You would think if they used real heatsinks, it would've provided better passive cooling to minimize cooling fan operations. The big thumb screws for the battery power leads doesn't tighten good enough, better to replace them with nuts and washers from a hardware store.
I give it a 3 1/2 star.
By F. Templeton (California)
I received the 1000W inverter today. It looks heavy duty to me. I thought I'd read the instructions first before installation. The entire manual is in fine print, had to get out a magnifing glass to read some parts. The manual is in three languages, but not a lot of pages. I guess they felt that only experienced installers would be setting it up.
The unit has a 3 digit display, the manual shows the error codes that could be displayed, some make since, some don't. The manual shows an example of a 4 digit power load as 1380W. The panel shows this as KVA. Will have to keep the manual handy if an error code shows up.
The manual does cover all the important things that an installer would need to know. Anyone who understands the basics of electricty should be able to set it up.
When first connecting the groud wire the entire bolt turned inside the case, requiring me to open the case to tighten it up.
The connectors for the battery connections are too close to each other making it difficult to tighten them. The tightening nuts are designed for finger tightening and make it difficult to get them tight enough. The weight of a stiff 4 AWG wire was enough to losen itself with very little vibration. This could be a real safety issue. There should be some way to lock them down.
The unit also has a 12 V cigarette lighter socket which is powered even when the 120 V circuit is off. Too bad it dosent have it's own on/off switch. Due to the 120 V circuit's high self power consumption (2.5 Amps) of this inverter, I found this socket handy for plugging in my modified sine wave inverter for low power requirements thereby conserving the batteries.
The digital display shows the AC voltage until pressing a very small button, then displays DC voltage for 2 seconds then switches itself back to AC voltage display. I'd rather see the DC voltage most of the time or at least have a choice.
I was able to operate my big screen TV that would not work with a modified sine wave inverter.
By M. Shields
Product documentation was lacking this info, so called Sunforce and was told this inverter is 90% efficient, and has 2.5 Amp self consumption (standby.) 2.5 Amp seems like a bit much, but it's the price you pay for a budget inverter.
By Matthew P. Schulte (Missouri USA)
Bought this off Amazon a month or two ago. I was looking for an inexpensive pure sine wave inverter to replace my Duracell (Xantrex) modified sine wave inverter. I was expecting to have issues from the get go (due to the cheap price!) but this inverter is working out quite nicely. I have it hooked up to 4 Trojan T-105 batteries which is charged up with an 85 watt Kyocera solar panel and Xantrex C35 charge controller.
Being pure sine wave, I can run anything now that my old modified sine couldn't. No more annoying buzzing sounds from CFL's or TV's. certain appliances that wouldn't power up on the old inverter now work flawlessly. Some things I run on the Sunforce: Samsung 22" LCD TV, CFL's of all sizes, Playstation 2, battery chargers, laptops, electric cooler.
I haven't tripped the over current protection yet at all, not even when using items that typically surge, such as a large power drill.
No fan issues like the other review mentioned.. in fact I haven't heard it come on at all yet; then again it's winter time here in Missouri so I assume it truly is thermal controlled.
The remote keychain that was provided with the unit works great. Since I'm doing the electrical work on our new cabin, I can turn off and on when working on the electrical. Then turn it off when we leave for the week.
The only issue I've had so far is once I came back on the weekend and the inverter turned itself back on sometime during the week. This normally wouldn't be a big issue except we're limited on battery capacity and can be a nuisance if kept happening. This has only happened the one time so no biggie.
The LCD readout on the front of the inverter is a nice feature, more expensive inverters don't have this by default, though I rarely look at it.
I would like to determine how much power the inverter uses when it's powered on and in idle mode. The documentation doesn't mention this anywhere and would expect that would be a major selling point. (or, disadvantage if it's too much of a power draw). I don't have an amp meter to test what it is, if you find out please post a review.
The only other downsides is:
1) this inverter has no permanent mounting brackets. only rubber feet on the bottom. luckily the thick DC cabling keeps it well secured within the battery box.
2) the DC hookups are HAND TIGHTEN only. This can be an issue if you, like me, use the proper gauge wiring. in my case I'm using 6 gauge, which is actually borderline of being too small but the batteries are close by. I ended up using pliers to tighten the hand lugs. With thicker wiring, I imagine this would be a huge pain.
PROS:
inexpensive! I noticed the price just went up though :(
LCD readout on front panel
Keychain remote, I haven't seen any other inverters include this with the inverter itself
CONS:
no mounting brackets? I'm sure you could finagle some aluminum straps around it, instead.
hand tightened DC connections
no mention of idle power usage.
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Buy Sunforce 11240 1000-Watt Pure Sine Wave Inverter Now
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