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Eaton 3S Mini UPS 36W 9/12/15/19 DC to protect Internet routers, IP cameras, home assistants and smart controllers – United Kingdom, G...

4.1 4.1 out of 5 stars 349 ratings
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United Kingdom, Germany, France, Italy, Spain
Mini UPS 36W 9/12/15/19V DC
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Purchase options and add-ons

Brand Eaton
Battery cell composition Lithium Manganese Dioxide
Product dimensions 13.6D x 9.5W x 3H centimetres
Voltage 12 Volts
Colour White, Black

About this item

  • Mini UPS to secure power continuity for connected equipment during power outages. An affordable and compact UPS providing power to Internet routers, IP cameras, Home assistants and Smart controllers.
  • 4 output connector types to adapt to your equipment requirements(3.5x1.5mm / 4.75x1.7mm / 5.5x2.1mm / 5.5x2.5mm)
  • Lithium-ion batteries enabling runtime from 40 minutes to more than 5h
  • Power rating 36W - Possible output voltages: 9/12/15/19 V DC
  • Super compact, silent and stylish design - Dimensions: 95.5(L) x 30(H) x 136(P) mm

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Eaton 3S Mini UPS 36W 9/12/15/19 DC to protect Internet routers, IP cameras, home assistants and smart controllers
Eaton 3S Mini UPS 36W 9/12/15/19 DC to protect Internet routers, IP cameras, home assistants and smart controllers
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From the manufacturer

Eaton 3S Mini UPS

Ideal for application protection:
  • Internet gateways
  • IP cameras
  • Personal assistants
  • Smart home controllers
  • Digital equipment

Eaton 3S Mini UPS 36W 9/12/15/19V DC

Eaton 3S Mini UPS

Mini UPS to protect your Internet boxes, IP cameras, PDAs and smart controllers.

Eaton 3S Mini 36W 9/12/15/19V DC

  • Keep your critical connected devices (Internet gateway, IP camera, smart-home controller, PDA, etc.) up and running in the event of a power failure.
  • Keep remote control of your connected devices without loss of power (IP cameras).
  • Overvoltage protection via internal circuitry.
  • Choose from 4 output voltages, compatible with the power requirements of all critical applications (4 types of output connectors supplied).
  • With its ultra-compact, quiet and elegant design, the 3S Mini fits perfectly into your home or office environment.

3S Mini UPS

Internet box

From 45 to 90 minutes of autonomy for your internet box.

3S Mini UPS

Voice assistant

Don't lose your voice assistant in the event of a power cut.

3S Mini UPS

IP cameras

Up to 5 hours of autonomy for your IP cameras (24 hour home or office surveillance).

Eaton 3S Mini UPS

Telephone

Stay in touch at all times.

Eaton 3S Mini UPS

Simple, compact and silent

  • An easy-to-read LED indicator provides information on the selected output voltage or remaining battery capacity.
  • Cold start function available to use the 3S Mini as a battery backup.
  • The 3S Mini provides power protection without additional equipment by replacing the power supply supplied with your device.

3S Mini UPS

Eaton 3S Mini UPS

1. On/off button

2. 4 LEDs indicating output voltage setting or remaining battery capacity

3. Input cord

4. Output cord

Customer Reviews
Price
Input voltage 90-264V AC
Power rating 36W
Output voltage/amperes 9 V/3 A - 12 V/3 A - 15 V/2,4 A - 19 V/1,89 A
Output connection Cylindrical adapters (5.5 x 2.5 / 5.5 x 2.1 / 4.75 x 1.7 / 3.5 x 1.35)
Battery capacity 3,7 V / 2200 mAh x 2
Battery type Li-Ion
Inverter dimensions W x H x D 95,5 x 30 x 136 mm
Weight 0,4kg
Input cable Schuko (FR/DIN)

Looking for specific info?

Product details

  • Batteries ‏ : ‎ 2 Lithium Ion batteries required. (included)
  • Language ‏ : ‎ English
  • Product Dimensions ‏ : ‎ 13.6 x 9.55 x 3 cm; 610 g
  • Date First Available ‏ : ‎ 2 May 2021
  • Manufacturer ‏ : ‎ Eaton
  • ASIN ‏ : ‎ B092TG9M7C
  • Item model number ‏ : ‎ 3SM36B
  • Country of origin ‏ : ‎ China
  • Guaranteed software updates until ‏ : ‎ unknown
  • Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
  • Customer reviews:
    4.1 4.1 out of 5 stars 349 ratings

Customer reviews

4.1 out of 5 stars
349 global ratings

Review this product

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Customers say

Customers find the uninterruptible power supply easy to set up and use. They find it good value for money, considering it affordable for home office use. Many appreciate the build quality. However, some customers have differing views on its functionality, battery life, power supply, battery protection, and noise level.

AI-generated from the text of customer reviews

51 customers mention ‘Ease of setup’45 positive6 negative

Customers appreciate the uninterruptible power supply's straightforward setup. They find it simple to use and operate, with no fuss or nonsense. The product is small and unobtrusive, providing coverage for a flaky power supply in their village.

"...That aside, it's a very neatly made package and is easy to set up and get running...." Read more

"...It was easy to setup and arrived with 12V as the default output...." Read more

"...It works proper and it is doing a great job keeping the internet router alive in case there is a plug in disconnected...." Read more

"...I am very pleased with my purchase which is performing flawlessly and wouldn't want to be without it." Read more

33 customers mention ‘Value for money’33 positive0 negative

Customers appreciate the value for money of the UPS. They find it affordable for home office use and a decent unit that does its job. Many say it's an excellent piece of equipment and great for their unraid server.

"...that once you have a power cut or supply issues at it’s value is well worth the price. Would definitely recommend" Read more

"...domestic user and was sent a link to a slightly older but perfectly functional and useful piece of software to monitor the current status and..." Read more

"Very good but with some updates it would be perfect. 1. Needs wall mounting option built in the rear cover 2...." Read more

"...Definitely value for money. Not the biggest battery but for what I'm using them for they are great." Read more

18 customers mention ‘Build quality’18 positive0 negative

Customers like the build quality. They mention it's well-made, reliable, and easy to install.

"...That aside, it's a very neatly made package and is easy to set up and get running...." Read more

"...Nicely made mini UPS from a recognisable name, with a 2 year warranty its got the feel of a quality product. Well documented...." Read more

"...itself it is self contained, not needing a power adaptor and looks well built. It was easy to setup and arrived with 12V as the default output...." Read more

"...The unit itself is a brick, its solid construction, and fairly heavy . I have it on the floor under my desk...." Read more

63 customers mention ‘Functionality’37 positive26 negative

Customers have mixed opinions about the product's functionality. Some say it works well and shuts down the NAS automatically. Others report that it started failing after a year or less, starting to fail instantly as soon as power is cut off.

"...a long USB cable for communication and my Mac already has a fantastic built-in feature that brings-up a message in the middle of the screen, warning..." Read more

"...be plugged, but apart from being bulky, this is not an efficient or cost effective solution...." Read more

"...Well documented. It has some nice features, like switchable output voltage level and a relatively high supply rating of 36Watts...." Read more

"...I installed it and connected my PC, Router and Smart TV, the mains went unreliable with more flickering lights and clocks resetting etc.,..." Read more

48 customers mention ‘Battery life’23 positive25 negative

Customers have different experiences with the battery life of the uninterruptible power supply. Some say it keeps their power going during a power cut for up to 20 minutes, providing enough back-up power for both chairs to return to a sit position. Others report that the battery completely fails, doesn't hold any charge, or stops supplying power after approximately 10 minutes, causing an external siren to sound at 1am.

"...features, like switchable output voltage level and a relatively high supply rating of 36Watts...." Read more

"...In March there was a power-cut and the UPS failed to power the BT Router. The other UPS powering the ONT was OK...." Read more

"...My UPS unit is priving backup power to a desktop PC, monitor, router, speaker and fibre optic receiver...." Read more

"...(absolutely no battery power at all zilch, zero, nada)...." Read more

22 customers mention ‘Power supply’14 positive8 negative

Customers have mixed opinions about the power supply. Some mention it works well for short power interruptions and can be used as a power supply and USP without a separate transformer. Others mention issues with sockets not allowing plugs to sit flush with the unit, and lack of barrel connectors for BT Smart Hub 2 or other common 12V devices.

"...hence 4 stars It still works as a power transformer though so I just need to find a better replacement." Read more

"...USB ports, sadly my one has defective ports in that regards, but isn’t to much of an inconvenience for me, but small inconvenience...." Read more

"...like this is essential if you WFH in this situation, keeps both PC + peripherals running along with router/net connection, and allows plenty of time..." Read more

"Plenty of power. Good software allowing for a range of shutdown scenarios and alarms. The software is downloaded from the main website...." Read more

19 customers mention ‘Battery protection’12 positive7 negative

Customers have mixed views on the battery protection. Some say it works well, protecting drives, routers, and PS4s during power outages. Others mention the basic cells lack protection against excessive charge or discharge, and only four main outlets have battery back-up protection.

"...There's an on off switch and also a circuit breaker to protect the unit from overload...." Read more

"...So not only does this UPS not protect the eight mains outlets that it may appear to, but doesn't have the power to protect what is pretty much an..." Read more

"...Excellent protection for those unexpected power cuts or power spikes!" Read more

"Initially it seemed to do its job protecting our broadband modem and kept the broadband running when short power failures occurred...." Read more

18 customers mention ‘Noise level’11 positive7 negative

Customers have different views on the noise level of the product. Some find it quiet and compact, while others report constant beeping or high-pitched noises when power is cut off. The red light comes on with a continuous beep when the UPS dies.

"...It doesn’t seem to get overly warm and is very quiet. Recommended. Update Sept 23...." Read more

"...is large in size, it's easily hidden behind one of the chairs and is very quiet...." Read more

"...The device is extremely silent, however there is a sound when power is cut off, and is quite noticeable, but a loud sound is needed for if power is..." Read more

"It is compact and quiet and that's a major bonus. However it should also be be odour free, and this is definitely not...." Read more

Works with my virgin media router.
5 out of 5 stars
Works with my virgin media router.
I was really frustated waiting for my virgin media router when it got disconnected to reconect again.It works proper and it is doing a great job keeping the internet router alive in case there is a plug in disconnected. I Have tested it and it works fine.Thank you.
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Top reviews from United Kingdom

  • Reviewed in the United Kingdom on 28 July 2024
    Country format: United Kingdom, Germany, France, Italy, SpainSize Name: Mini UPS 36W 9/12/15/19V DCVerified Purchase
    Having been provided with a new router by our internet provider, and also being migrated onto a voice over internet phone service, we decided that we needed a small UPS for the router in order to maintain phone and internet connectivity in the event of power cuts - we live in arural area and power cuts are a fact of life, even if they're not common. I did a fair bit of looking around to see what was available for what prices.

    I didn't want a cheap, no-name product, but I didn't want to spend the earth either. APC and Eaton seemed to be the best brands out there, and I'm familiar with the products of both companies. They are both "real" companies and supply products backed by proper warranties.

    In the end, the Eaton won out - largely because the connectors suited our router better (and it was also a bit cheaper). As it was, the 3.5mm barrel connector was still a little bit short and I had to machine away a small amount of the plastic surround to get a more secure connection - that's as much to do with the particular construction of our router, rather than being a fault of the UPS. That aside, it's a very neatly made package and is easy to set up and get running. I haven't yet tested the endurance of it to see how long it will keep the router running, but it does continue to run the router without any glitch or hesitation when I turn of the mains for a few minutes.
    3 people found this helpful
    Report
  • Reviewed in the United Kingdom on 23 November 2022
    Country format: United Kingdom, Germany, France, Italy, SpainSize Name: 550 VA / With BSVerified Purchase
    A great looking and compact UPS and easy to mount. I've used the mounting holes that's meant for walls and reinforced it with a couple of heavy duty straps under my height adjustable table, because I didn't want a number of un-sightly cables risk getting caught as I raise my desk.

    On one side of the strip is surge protection and the other uses the UPS, I didn't know this at first as I skipped the instructions and was wondering why it wasn't working!

    I got this was for my NVMe RAID which is very sensitive when power is suddenly cut and I risk a 2 day rebuild/re-install, I've already had it come on twice when the lights started flickering and thank goodness I had this. It comes with a long USB cable for communication and my Mac already has a fantastic built-in feature that brings-up a message in the middle of the screen, warning you're now running on UPS battery and to save/back-up etc. there's also a battery level indicator on the desktop strip.

    I'm running a power-hungry 40inch curved LG monitor, a RAID SSD and NVMe RAID, Macbook M1 Max, various SSD HD, a Thunder Bolt 4 hub and a Wifi6e router - when the power goes, there is a low level alarm and I get around 7 minutes to save and power down, which is more than enough, but luckily we only get very short power outage in London.

    Highly recommended and everyone should get one to protect their IT equipment.
    Customer image
    5.0 out of 5 stars Brilliant and saved my RAID drive a couple of times....
    Reviewed in the United Kingdom on 23 November 2022
    A great looking and compact UPS and easy to mount. I've used the mounting holes that's meant for walls and reinforced it with a couple of heavy duty straps under my height adjustable table, because I didn't want a number of un-sightly cables risk getting caught as I raise my desk.

    On one side of the strip is surge protection and the other uses the UPS, I didn't know this at first as I skipped the instructions and was wondering why it wasn't working!

    I got this was for my NVMe RAID which is very sensitive when power is suddenly cut and I risk a 2 day rebuild/re-install, I've already had it come on twice when the lights started flickering and thank goodness I had this. It comes with a long USB cable for communication and my Mac already has a fantastic built-in feature that brings-up a message in the middle of the screen, warning you're now running on UPS battery and to save/back-up etc. there's also a battery level indicator on the desktop strip.

    I'm running a power-hungry 40inch curved LG monitor, a RAID SSD and NVMe RAID, Macbook M1 Max, various SSD HD, a Thunder Bolt 4 hub and a Wifi6e router - when the power goes, there is a low level alarm and I get around 7 minutes to save and power down, which is more than enough, but luckily we only get very short power outage in London.

    Highly recommended and everyone should get one to protect their IT equipment.
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    Customer image
    Customer image
    8 people found this helpful
    Report
  • Reviewed in the United Kingdom on 6 January 2022
    Country format: United Kingdom, Germany, France, Italy, SpainSize Name: Mini UPS 36W 9/12/15/19V DCVerified Purchase
    Edit. 2 years later I’ve repeated some full discharge and recharge tests, including discharging it at the max rated 36Watts and unlike others still have has no problems with the recharge sequence. The failure of the low cell voltage protection reported by some hasn’t occurred on my unit. This Eaton3S and the APC CP12036Li remain the best options available for anyone looking for a small DC UPS with a recognised name.

    Nicely made mini UPS from a recognisable name, with a 2 year warranty its got the feel of a quality product. Well documented. It has some nice features, like switchable output voltage level and a relatively high supply rating of 36Watts. I've run some12V load tests when on battery and the output voltage only dropped from 11.9V@0.5A to 11.3V@3A. The DC output level was also maintained well as the battery ran low . By including the AC/DC conversion inside the unit there is only space to include 2 off 2200mAH lion cells, so overall capacity is a fairly small but usable 11.9Wh (measured). So it should be able to run a typical small router (5-6Watts) for around 2hours, that's probably long enough for most typical mains power interruptions.

    The battery recharge rate is a relatively low 4Watts so once mains power is restored it does take around 5Hours to fully recharge . Once fully charged the UPS appears to use <1W to manage its own functions

    To make it a better prospect than its competitor MiniDC UPS What it ideally needs is either larger internal batteries or perhaps the ability to recharge from an external powerbank. The case would benefit from some mounting holes and there's also no audio warning to indicate 240V power failure. It is however one of the few MiniDC UPS that I'd be content to leave running unattended in my house 24/7/365.
    23 people found this helpful
    Report

Top reviews from other countries

  • Bebrave
    2.0 out of 5 stars Beware of second choice ones of these
    Reviewed in the Netherlands on 19 December 2024
    Country format: United Kingdom, Germany, France, Italy, SpainSize Name: Mini UPS 36W 9/12/15/19V DCVerified Purchase
    The second chance ones have a high probability of damaged battery cells. I had to replace those,which is possible when you take it apart. But consider that it has no, again no, protection for deep discharging of the battwry cells inside. (2 x 18650)