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Samlex SAM-250-12 12-Volt 250-watt DC to AC Inverter

3.1 out of 5 stars 7 customer reviews
| 3 answered questions

Price: $30.84 & FREE Shipping on orders over $49. Details
Only 2 left in stock (more on the way).
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  • Durable construction
  • Compact and lightweight design
  • Soft start & cool surface technology
  • Safety certified with protections for thermal, battery overload, short circuit & earth fault
  • USB charging port
27 new from $27.29 1 used from $24.67
$30.84 & FREE Shipping on orders over $49. Details Only 2 left in stock (more on the way). Ships from and sold by Amazon.com.

Frequently Bought Together

  • Samlex SAM-250-12 12-Volt 250-watt DC to AC Inverter
  • +
  • Esky 30A LCD 12V/24V 360W/720W PWM Solar Panel Adapter Charge Controller
Total price: $62.83
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Product Information

Technical Details

Brand Samlex America
Item Weight 1.2 pounds
Product Dimensions 6 x 4.5 x 2 inches
Item model number SAM25012
Exterior Smooth
Manufacturer Part Number SAM25012
Wattage 250 watts

Additional Information

ASIN B004RCWXW0
Customer Reviews
3.1 out of 5 stars 7 customer reviews

3.1 out of 5 stars
Best Sellers Rank #134,154 in Automotive (See top 100)
#449 in Automotive > RV Parts & Accessories > Power & Electrical > Power Inverters
#1,524 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power
Shipping Weight 1.4 pounds (View shipping rates and policies)
Date First Available June 20, 2011

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

Samlex Solar features RV power products including solar panels and kits, charge controllers, inverter/chargers, DC/AC power inverters, battery chargers, transfer switches, and more.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Shaofu Chang on May 28, 2015
Verified Purchase
Nice little unit, kind of an unusual design as there's no way to physically bolt it to anything. The absence of mounting flanges required a little bit of creativity. The way the terminal posts are designed allowed the inverter to stand vertical without interfering with the fan, tip over, or short the binding posts to the enclosure if it was metal. I would have like to see thicker gauge wire for a 250W unit, but in a pinch the included pair will do. The inverter has a 30A ATC type fuse but it is mounted internally and by the looks of it soldered in place. In shut down mode the inverter draws about 7mA, on with no load draws something close to 120mA.
Do note, while it comes with cigarette plug adapter modern cars rate their sockets at 10A, meaning the maximum output is 120W max, less realistic efficiency loss your inverter output will be limited to about 90W max. So if you plug your 120W madmax gaming laptop in and it blows the works, don't blame it on the inverter.
Because mine was built into a battery box, it has operated only on loads ranging from 50-150W for a number of hours. I have not attempted to operate it with inductive loads, only resistive. So far so good, fan clicks on and off, keeping itself cool.
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Verified Purchase
i just got my second one in the mail yesterday. Excellent inverters. I've tested almost every small inverter out there for a portable solar generator I've developed for future sale. EVERY other inverter tested met on average, half of the advertised efficancey, most had little surge capability if any and a few wouldnt even run the continues wattage theyre supposed to run. This Samlex performed better then everything i tested in the 200-400watt range....after beefing up the factory wiring from 14awg to 10 of course. i ran a 250 watt space heater for hours on a 50ah battery, it started a hotel fridge and ran it so the surge was actually stated correctly and i even tested efficancy up 3% from the advertised 90%. thats huge for a small inverter. it ran my lithium battery chargers also, modified sine wave and all....must be clean enough. turn it on and it tests the fan briefly and goes back to idle and stays quiet unless a load above 5-10 watts is applied. perfect for small off grid systems. five stars from a fella with LOTS of expecience counting amps and volts with small to large inverters running off power from the sun.

4 month update: well i started out happy and now im rather upset. i bought 4 of these 250 watt inverters and 2 of them are junk. flat out stopped working. the usb work but no AC. not only that but out of the box the hz stayed pretty steady on 60 and now they all run between 62-64.5 hz....the powerput plumited on all four after about a month. out of the box theyre pretty and work great but fade fast. save your money and get a pure sine. microsolar an CNBOU are inexpensive brands but are both much higher quality builds. cleaner, more effecient and quieter...oh yeah....and they work.
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Verified Purchase
Appears well made. Very low standby power usage. Fan stays off on standby and kicks in when load is applied. The fan is fairly loud. Would not recommend if you are going to be close by while using it for long periods of time in a quiet environment. The fan noise would probably be get annoying after a while.
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Verified Purchase
Took me about 30 days before I used this samlex SAM-250 It blew the fuse immediatly (polarity was confirmed correct)put a new fuse in and it flashed input voltage error and it never has worked (tested other power sources) this is a garbage unit and i threw my money away when i ordered it dont do the same, skip this one!
signed
A verry experienced inverter user
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