KP3 Small UPS Mini UPS DC 10000mAh 36Wh Battery Backup, 0ms Transfer Multi-Port UPS for Router/LED Light/Smartphone/CCTV Camera
$54.90
Price: $54.90
(as of Feb 14, 2026 08:49:27 UTC – Details)
Product description
0ms Switch, Unlimited Connectivity! KP3 DC UPS Keeps Router, Camera, Modem Live Through Blackouts
Keep Your Wi-Fi & Devices Online During Outages with KP3 DC UPS – AC to DC 0 ms Transfer
When a power outage strikes, the KP3 Smart Mini DC UPS kicks in instantly. Its 0 ms AC-to-DC transfer guarantees your modem, wireless router, and security camera stay powered, so you’ll never lose internet access or miss out on streaming, video calls, or home security monitoring. Engineered for seamless backup, KP3 ensures your essential devices and home network remain operational, turning power outages into a non-disruption for your digital lifestyle.
Product Detailed Description—Mini DC UPS KP3
Mini UPS Input and Output Input: DC12V/2.0A;Output: include DC 12V/1.5A, 9V/2.0A, 5V/2.0A (1 port each) and USB 5V/2.0A (1 port), max total output 18W;Design: Compact (4.53″L x 3.27″W x 1.06″H), lightweight (Total GW 1.08 lbs) with wall-mount slots for easy placement;Battery: 10000mAh/3.6V (36Wh) high-quality lithium-ion battery for extended backup
Mini DC UPS Compatibility Compatibility: Works with most digital devices via 5V/9V/12V DC and USB 5V outputs. It’s ideal for your modem, wireless router, security camera, GPON ONT, mobile phone, and smart watch and more online during power outagesTransfer Time: 0ms, ensuring uninterrupted operation when switching from AC to battery mode.Cooling & Safety: Air cooling system for heat dissipation; V-0 housing and multiple protections (short circuit, overcharging, over-discharging).
KP3 DC UPS Package 1 × Mini DC UPS KP3backup battery1 × Power Adapter (12V/2.0A)1 × DC5525 cable (Male to Male)1 × DC5525 Y-Splitter cable (Male to 2*Male)1 × Adapter1 × Multi-language user manual
KP3 Mini DC UPS comes with everything you need for instant deployment. No extra purchases required – start using your mini DC UPS right away.
Palm-Sized 10000mAh UPS: Uninterrupted Connectivity with 0ms Switching
Experience seamless power backup for your essential devices with the palm-sized Marsriva KP3 Mini UPS—a compact powerhouse that’s tiny enough to fit in your hand or slip into any drawer, no bulky space required.
Boasting a 10000mAh high-capacity battery, it comes with versatile DC and USB ports to keep your routers, modems, security cameras, and smart home devices running smoothly—no extra adapters needed, making it a plug-and-play solution for daily use.
With instant 0ms switching (no downtime for your devices) and multi-protection features, this space-saving gem is incredibly practical: it’s easy to carry for on-the-go emergencies, fits neatly beside your desk or router, and reliably maintains your digital connections during unexpected power interruptions.
It’s the ultimate blend of portability and functionality for staying connected whenever, wherever.
Product Power Description
18W Reliable Output & 0ms Instant Transfer: Mini Uninterrupted Power Supply
With an 18W rated output (total power strictly limited to 18W), the product delivers consistent and steady power to help protect your devices during operation. It enables 0ms instant transfer during power outages, minimizing disruptions to your equipment. Featuring reliable runtime, it provides practical backup power for daily use or emergency situations.
Note: If the output power exceeds 18W, the device will automatically trigger overload protection, which may result in power interruption.
【10000mAh Backup Power with 0ms Transfer】 · 36Wh lithium battery supports 3*DC ports (12V/9V/5V) + 1USB port (5V), 18W total output for routers, cameras & more. · Instant 0ms switch from AC to battery mode prevents network downtime during outages.
【Multi-Protection & Fire-Resistant Design】 · Overcurrent, overvoltage & short-circuit protection ensures device safety. · V-0 ABS+PC housing meets CE/RoHS standards.
【Universal Compatibility & Flexible Ports】 · Small UPS battery backup for router, GPON ONT, surveillance systems; includes DC35135 to DC5525 adapters & Y-splitter cable. · Outputs: 12V/1.5A, 9V/2.0A, 5V/2.0A (DC) + 5V/2.0A (USB).
【Intelligent Protection】 Overcurrent Protection, Voltage Stability Protection, Short Circuit Prevention, Overcharge Prevention, Deep Discharge Protection, Thermal Management System, Integrated safeguards for safe device operation
【Battery Power Indicator】 · 0.662lb lightweight build fits anywhere · Real-time LED status display for intuitive battery level monitoring
5 reviews for KP3 Small UPS Mini UPS DC 10000mAh 36Wh Battery Backup, 0ms Transfer Multi-Port UPS for Router/LED Light/Smartphone/CCTV Camera
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RM Amazon Customer –
Small but powerfull
I got this mainly to keep my internet from dropping during short power outages, and it does exactly that. It’s very small and light, so it fits easily next to my modem and router without taking space.Setup was easy. I just connected to my router and it was ready. When the power flickers or goes out, the switch is instant and my internet stays on. No reboot, no interruption.Battery life depends on what you connect, but for short outages it works great. This is not meant for all-day power, but it easily covers brief outages.One small downside is the labels on the ports are a bit hard to see, especially in low light. Once you know which port is which, it’s fine. And also usually this is a one and done thing.Overall, this is a great little backup if you want something simple, portable, and reliable for low-voltage devices.
Joe S. –
Compact mini UPS that keeps Internet gear alive during short power outages
This mini DC UPS has been a surprisingly effective solution for keeping small but critical devices running during power interruptions. Setup is straightforward: plug it into the wall, connect your router, modem, ONT, camera, or other low-voltage device using the included adapters, and forget about it. The automatic 0ms switchover works exactly as intended, so brief power flickers don’t knock anything offline or force reboots. The size is a big win here. It’s lightweight, compact, and easy to tuck into a closet, mount on a wall, or stash near networking gear without taking up valuable space.In day-to-day use, it does exactly what a mini UPS should. Voltage output stays stable across the 12V, 9V, and 5V ports, and the included splitter cables make it easy to power more than one device at the same voltage. Runtime depends heavily on what you connect, but for typical routers, ONTs, mesh access points, or security gear, it can comfortably bridge short outages and power blips. The LED indicators make it easy to see charge status at a glance, it runs completely silent with no fan, and it stays cool even when under load. Charging is reasonably quick, and the unit feels reliable rather than gimmicky.The limitations are worth understanding before buying. This is not a long-duration power station, and it’s not meant to replace a full-size UPS. The battery capacity is best suited for minutes to a few hours, not all-day outages. The USB port is usable but modest, and the unit will shut itself off if there’s effectively no load, which could matter for ultra-low-draw devices. The labeling on the ports could also be clearer, especially in low light. Still, if you want a compact, affordable, and dependable way to keep essential low-voltage electronics running through short outages, this mini UPS delivers real peace of mind without the bulk or cost of a traditional UPS.
Vonroper –
This works great as a UPS backup tiny space super light and portable
I think this is a great many UPS backup for a modem and router and possibly other things. I think this is pretty reasonably priced for the 10,000 ml power and the multiple options of connectivity. Since it’s a battery backup I know that it’s sending a pure electrical charge that’s correct for what you’re using it on. Comes with some wires a single wire connection and a single into a double connection in case you’re running two items on the same voltage. It’s really easy to set up you just basically plug it in and make sure that you have the right adapter tip. It really works perfectly. These can also be used for anything that runs off of the voltage set that it says on there. I use this sometimes to run my musical equipment outside and use it as a portable power bank since my musical equipment normally takes 9 or 12 volts. Everything I’ve tried it on works perfectly I’m very happy with this just know the limitations of the battery backup it’s not going to run for an extended period of time but you can get through a short power outage easily. The only con about this is it’s hard to see the writing on it to tell which voltage is which. I’m going to use a sharpie just to put the voltage on each outlet so it’s an easy fix.
Cliff Washington –
Great Backup Helper to a Full-Sized UPS
All of my IT/computer items are in a closet in my home and I have a full-sized UPS for my router, switch, WAP, PS5 and flat-screen TV. I wanted to supplement the full-sized UPS so that if it fully died, the router and switch would still have some life before everything went dark.There are indicator lights showing if the unit is receiving power and also how much battery is left on the unit.Essentially, this is a backup battery which has a single USB-A port and three ports to connected the adapters for your devices. I tested with the USB-A connector with a lamp and the power switched over instantly.For the adapter ports, there are a few adapters if your plug is larger or smaller than the connector on the UPS. Please make sure that the polarity of the adapter matches the USP. Sometimes the outer ring is positive and pin is negative or vice versa.What I would love to see in future models, if they don’t already have one, is one with nothing but USB-A and USB-C ports.
Vinicius de Souza –
Adorei o produto.Funciona corretamente e está atendendo às minhas expectativas.