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Tripp Lite APS1250 Inverter / Charger 1250W 12V DC to 120V AC 30A 5-15R 2 Outlet

4.5 out of 5 stars 24 customer reviews
| 13 answered questions
List Price: $741.60
Price: $429.00 & FREE Shipping
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Estimated Delivery Date: April 20 - 25 when you choose Expedited at checkout.
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  • 1250 watts continuous output power; up to 2500 watts instantaneous power
  • Extended peak surge power handles heavy connected loads
  • Auto-transfer switching option for battery backup (UPS) operation
  • 2 AC outlets; rugged moisture-resistant polycarbonate housing
  • 1-year warranty. Item is hazmat and non-returnable
21 new from $409.06

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$429.00 & FREE Shipping Only 6 left in stock. Ships from and sold by Front Row Electronics.

Frequently Bought Together

  • Tripp Lite APS1250 Inverter / Charger 1250W 12V DC to 120V AC 30A 5-15R 2 Outlet
  • +
  • E2 by Scoshe EWFH Single ANL Fuse Holder
  • +
  • Cobra CPI-A4000BC 4-AWG Heavy-Duty AC Power Inverter Cable Kit
Total price: $466.31
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Technical Details

  • Brand Name: Tripp Lite
  • Model Number: APS1250
  • Item Package Quantity: 1

Product Information

Product Dimensions 9 x 8.8 x 7 inches
Item Weight 23.1 pounds
Shipping Weight 24.2 pounds (View shipping rates and policies)
ASIN B0007NOUBA
Item model number APS1250
Customer Reviews
4.5 out of 5 stars 24 customer reviews

4.5 out of 5 stars
Best Sellers Rank #408 in Patio, Lawn & Garden > Generators & Portable Power > Power Inverters
#1,195 in Electronics > Accessories & Supplies > Audio & Video Accessories > Cables & Interconnects > Power Cables
#1,497 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power
Date first available at Amazon.com January 28, 2005

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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsGood replacement for old APC Smart UPSes
By Buy Amsoil at Race-Oil.com on December 10, 2009
Verified Purchase
I used to be a big APC fan, but over the years I have had all kinds of problems with them not behaving well after a battery change. They don't even like the batteries purchased from APC.

I wanted something to use with my computers that did not require specific batteries.Tripp Lite APS1250 1250W 12V DC to AC Inverter with Automatic Line-to-Battery 30-Amp Charger

This product worked out great because I just picked up a couple of Marine Deep Cycle Wet batteries (approx $60 ea) used some cables I had around (#2 Battery cables from auto parts store work great) Just get short ones with two eyes for the connections between batteries (wingnut on bolt connections on most deep cycles) and one longer one to cut in 1/2 and use for both connections to the APS.

The APS takes a 5.5mm allen wrench to tighten the connections, I had to cut the plastic around the outlets a little to get my power strip to plug in directly.

A large (8D) battery box will hold up to 3 size 24 batteries, so I am going to pick up one of those this week.

This unit does not have the B series of DIP switches.

This unit also initially charged the batteries at 50A and then dropped down as they took a surface charge.

The transfer to UPS is seamless when unplugging from the wall for testing.

No flicker or anything on any of the computers.

I am running two computers (+LCDS, Drives, etc) one with a 1000W DA1000 ...Read more ›
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1.0 out of 5 starsNot Adequate
By HowardH on September 10, 2011
Verified Purchase
I have been spoiled with APC UPSes because they are cheap sine-wave inverters. I hooked a scope up to this thing, and the garbage that comes out is not even relatively clean power. It has spikes in it and all of my downstream UPSes don't even recognize the output of this as real AC power. I really wanted to like this device, and all of my decent UPSes use 24 volts, but I wanted a 12 volt UPS. I will attempt to post the waveforms on the product page. I returned it.
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3.0 out of 5 starsconvenient, dodgy.
By Chunts on December 6, 2010
Verified Purchase
this is a great all-in-one solution for battery-based off-the-grid power. I spent a lot of time researching chargers and inverters and which ones I should combine before I found this, which does both easier and much cheaper for comparable performance.

my only suggestion would be for them to add a couple of fused terminals for direct DC power that could be shut off when the voltage is too low, but we can't have everything I guess.

UPDATE: after about 3 years of light summer usage, this thing up and completely quit on me. no power, nothing. it was nice while it lasted, but far too much to spend on something that is just going to fail after a while.
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1.0 out of 5 starsFailed in just over a year.
By As I See It on September 4, 2010
I bought one of these to provide uninterrupted power to my computer, internet and a NAS. The device failed less than two months after the 1 year warranty had expired. It no longer charges my batteries and says it's over loaded, even when nothing is plugged in. I now have a 400 dollar boat anchor, not to mention another 400 worth of batteries, cables and the trip-lite remote switch that I bought to go with it.
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4.0 out of 5 starsUsed for a sump pump backup
By Robert on June 15, 2010
Verified Purchase
I have installed this along with an AGM battery as a power back-up for my sump pump. It had no trouble starting my 1/3rd hp pump. A good feature is the "charge only" mode that allows you to shut the inverter down when not needed (the winter months in my case), thus preserving the battery. It also has a setting for the type of battery being used (wet cell or glass-mat). I bought this unit to replace one from the Inverter Store that failed in less than a year.
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5.0 out of 5 starsWorks great so far (4 years total)
By Steven on March 17, 2011
Verified Purchase
EDIT! Update as of November 28, 2014

I have been using this for 4 years so far and it has helped me tons during power failures (even giant storms that knock out the power for days). I normally use this for computers mostly, but in case a huge storm knocks out power (hurricanes, durachios, etc.) I can at least keep all my food frozen solid (although defrosting it and eating it becomes a problem). With a large enough battery I was able to run it for about 2-3 days along with other rotary cooling devices. During longer power failures I would suggest attaching solar panels and a charge controller to the battery to help out, but NEVER when the AC comes back on.

Also, when I had this temporarily attached to a gasoline generator (bad idea) the UPS works quite well for its intended function in AC mode. What I mean by this is that in AC mode it will correct the output waveform so it is consistent (120V) as the UPS conditions the line. So if you are powering the UPS off very bad AC power (generators, bad power companies, etc.) you may notice that the battery does not even charge at all because the UPS keeps conditioning the power. In that event, the only way to charge it is when nothing is attached to it (nothing plugged in to get power).

Also, when I attached this to a Kill-a-Watt the PF is almost nearly 1.0 at around 0.90-0.95 or so, but the Kill-a-Watt is a cheap measuring device so it might not be that accurate.

And another note that if this is attached to any GFCI plug, the GFCI will trip. However, all my other UPSes trip GFCIs anyway.

EDIT! Old Review: March 17, 2011; Edit 1: May 10, 2011

As of May 10, 2011, the unit still works properly.Read more ›
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Most Recent Customer Reviews

5.0 out of 5 starsvery unique product that worked exaclty how I expected it ...

very unique product that worked exaclty how I expected it to. Its basically a build your own UPS. Dont have to worry about any special battery, as any 12V lead acid battery works... Read more

Published 2 months ago by Bayan
5.0 out of 5 starsFive Stars

Great product and great support, on time.

Published 3 months ago by Amazon Customer
5.0 out of 5 starsWe like these . . .

We buy these to provide battery backup capability at some of our remote network sites. So far, the units we've deployed have been operating exactly as advertised, which makes us... Read more

Published 7 months ago by Horst Poepperl
5.0 out of 5 starsNo Fuss

Hardy and does what it do with no fuss.

Published 8 months ago by stew
5.0 out of 5 starsWorks great

This is great product. I use in conjunction with my solar controller in my conversion van. Charges my batteries with the safe 3 stage charging

Published 11 months ago by Danny Shaffer
5.0 out of 5 starsgood unit, be sure to plan for its power draw before installing it on...

only put around 500 watts on this unit so far but seems to easily handle most loads without a whole lot of fuss. Read more

Published 12 months ago by twilson1118
5.0 out of 5 stars2 years and still going.

It's held up well since I bought it. The only thing I've found is that it will "glitch" and not turn on for a moment if you unplug it. Read more

Published 19 months ago by William A.
5.0 out of 5 starsno beeping sounds...

Works great. Had it for about 6 months, have gone thru several utility power (short 3 second) hits and one that lasted for an hour. Read more

Published 21 months ago by iceburge
4.0 out of 5 starsFour Stars

ok

Published 21 months ago by ulysse ennery
5.0 out of 5 starsWorks well for our battery backup system

Created a 200 amp-hour battery backup system and find the Tripp Lite charger-inverter maintains the batteries in great condition. Read more

Published on January 14, 2014 by TN Rivers

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