Xdorra Mini 12 Volt DC UPS - 4 ch Emergency Power Supply for Home DVRs CCTV Cameras Routers & ADSL Modems, 44.4Wh 12V 2A/12000mAh Input Attach 1 to 4 * 5.5 * 2.1 Extend Cables

This UPS is perfect for keeping my WiFi router (TpLink Deco M4) running in the event of a power failure. Being a curious Electrical Engineer, I tested its performance on the bench. After the initial full charge, it provided a constant 12 volts into a 30 ohm load, thus providing 400 mA, for 9 hours before automatically shutting off. This equates to a 12 volt equivalent of 3600 mAH. The advertised specification of 12000 mAH could be misinterpreted. The 12000 mAH rating evidently refers to the capacity of the 3.7v Li-Ion pack, not the up-converted 12v output. If you do the math for up-converting 3.7v to 12v, the 12000 mAH will translate to 3700 mAH. My actual measurement of 3600 mAH indicates an exceptionally good up-converter efficiency.And, 3.6 AH @ 12V is still pretty impressive for the cost and size. It will keep my router alive for 9 hours.The current draw of the unit for re-charging gradually increases from 310 mA to 360 mA over a course of 16.5 hours. When fully charged, the current drops to an idle of 50 mA. The specified charge time of 6 hours is incorrect, and I was actually happy to see this. This is not really a problem for a UPS application, and it is much healthier for battery longevity to charge the batteries slowly.This also means that, if your load requirement is low enough, you do not need a 2A wall adapter. The rating of the wall adapter only needs to be enough to supply your load plus about 400 mA in the event a charge is needed. For example, my router draws on average around 400 mA. The 1.2A wall adapter that came with it is plenty adequate to power the UPS plus the router. There was no need to purchase a new 2A wall adapter for my application.So far, I am very happy with this purchase.

The pictured adapters are not included with the item. I returned and replaced the item and still no adapters. Haven't used the item yet as I will have to purchase adapters.Update: 4 months after purchase the battery does not hold a charge.

Had it for one year, inside a shed that's hot in the summer and cold in the winter, powering 2 Wyze cameras through a Sonoff USB relay. It works fine and I had no issues at all with it.I give it only 4 stars (4 1/2, if I could) because it's not my best mini ups, I have others with better battery level indicators, several output voltages (5, 9 and 12V), USB output... all things this mini ups lacks. But it's a good product, it does what its description says.I have to say, I'm curious about the "self destructing if opened" feature... I wonder if it's a translation error or something real...

There is the issue of not knowing what size power cord barrel it expects or uses, so I was lucky on that front.After a power outage at our new place, I ordered this to cover the Google Fiber modem, which is not near the rest of the gear and I didn't want another generic UPS hanging out of the wall.It works. We've since had the power flicker a few times, but never lost internet.

I charged the UPS with a 12VDC 2A adapter for more than 16 hours. This is with the ON/OFF switch turned to the ON position. A few seconds after unplugging the power cable from the IN port, the indicator light turns off. I think the battery is dead. So disappointed.

It's hard to say what this is/isn't. The manual and Amazon ad say different things. Installs super easy. Cheap build quality.. crappy plastic case. Doesnt weigh much. I have a 2.5a nighthawk ac1750 router and this will keep it at least an hour.. I tested that... will it last 6 hours like amazon says? I'm not sure I'd bet on it. But maybe.

Worked as described, fits in small A/V cabinet, runs thru power outages ..... so far so good

Le conecté a un router de 12v 2A y el momento que se va la energía, el dispositivo se apaga. Producto MALO