Yuuki Power

Mini UPS for Wifi Router, USB 5V⎓3.6A DC UPS 12V⎓2A Battery Backup 9V⎓2A 10400mAh(32Wh)

Name: Mini UPS for Wifi Router, USB 5V⎓3.6A DC UPS 12V⎓2A Battery Backup 9V⎓2A 10400mAh(32Wh)
Brand: Yuuki Power
SKU: B0FCV2Q8TB

Bottom line: The Yuuki Power Mini UPS for Wifi Router: 10400mAh pack keeps a modem and router running for hours through outages; main trade-off: 24W total output cap fits a router and ONT, not much beyond that.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 10400mAh pack keeps a modem and router running for hours through outages
✓ Switchable DC output: 5V/3.6A, 9V/2A, 12V/2A, plus 15V/1.3A or 24V/0.8A PoE for CCTV
✓ LCD screen reports charge level and real-time status without an app
✓ USB-A and USB-C ports add PD fast charging off the same battery
✓ Ships with a DC barrel adapter set and 12V/3A US charger, nothing else to source

Cons

✗ 24W total output cap fits a router and ONT, not much beyond that
✗ Spec sheet lists both 32Wh and 38Wh for the same 10400mAh cell
✗ DC and USB output only, no AC outlet for wall-plug equipment
✗ No published runtime ratings, so backup hours per device are unstated

SpecPicks Verdict

SpecPicks scored Yuuki Power Mini UPS for Wifi Router using a rating × review-volume × price-fit model applied to published specs and reviews across the power protection category. Yuuki Power's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

10400mAh (38Wh) battery backup provides hours of uninterruptible power for modem routers
Works with DC 5V3.6A, 9V2A, 12V2A, plus PoE 15V1.3A or 24V0.8A for your CCTV. USB-A and USB-C ports support PD fast charging
Total output MAX 24W. Stable voltage, protection for short circuit, surge, overcharge, and over-discharge
Clear LCD screen shows real-time status
Mini UPS, compact, weight 0.9lb, no break battery backup
User-friendly: easy setup and simple battery replacement

Full Specifications

Brand	Yuuki Power
Color	Black
Weight	0.9lb
Runtime	7 hours
Voltage	12 Volts
Wattage	24 watts
Amperage	2 Amps
Unit Count	1.0 Count
Form Factor	Compact
Connectivity	USB-C, WiFi
Model Number	10400mAh (38Wh)
Maximum Power	24 Watts
User-friendly	easy setup and simple battery replacement
Connector Type	Barrel, USB
Output Current	2 Amps
Output Voltage	12 Volts (DC), 15 Volts (DC), 24 Volts (DC), 5 Volts (DC), 9 Volts (DC)
Output Wattage	38 Watt Hours
Item Dimensions	3.78 x 6.3 x 1.3 inches
Power Plug Type	Type A - 2 pin (North American), Type B - 3 pin (North American)
Battery Cell Type	Lithium Ion

Ready to buy?

Mini UPS for Wifi Router, USB 5V⎓3.6A DC UPS 12V⎓2A Battery Backup 9V⎓2A 10400mAh(32Wh) is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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