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KP4 Mini UPS Battery Backup for WiFi Router, Modem, CCTV Camera, Smart Home Devices, 10000mAh 36Wh DC UPS with USB-C, USB-A & 3 DC Outputs, 0ms Transfer
Marsriva

Marsriva KP4 Mini UPS Battery Backup for WiFi Router

Bottom line: The Marsriva KP4 Mini UPS Battery Backup for WiFi Router is a specs-and-price decision rather than a crowd-consensus one in the power protection category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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.

Pros & Cons

Pros

  • ✓ Backed by Marsriva's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored Marsriva KP4 Mini UPS Battery Backup for WiFi Router using a rating × review-volume × price-fit model applied to published specs and reviews across the power protection category. Marsriva'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

  • Power Multiple Devices Simultaneously – Equipped with 3 DC outputs, USB-A, and USB-C ports, the KP4 Mini UPS powers routers, modems, CCTV cameras, smart speakers, ONTs, and other essential smart home devices at the same time.
  • 0ms Instant Backup Transfer – Automatically switches to battery power during outages with seamless 0ms transfer, keeping your internet, security systems, and smart home devices running without interruption.
  • 10000mAh Long-Lasting Backup Power – Built-in high-capacity 36Wh lithium battery delivers reliable backup power for work, online meetings, streaming, gaming, and home security during unexpected outages.
  • USB-C & Multi-Voltage Compatibility – Supports 5V / 9V / 12V outputs with USB-C and USB-A connectivity, making it compatible with a wide range of routers, modems, cameras, LED lights, and smart devices.
  • Safe, Compact & Wall-Mountable Design – Designed with advanced circuit protection, flame-retardant housing, and wall-mount support for flexible installation in modern connected homes.

Full Specifications

BrandMarsriva
ColorWhite
Voltage12 volts
Wattage18 watts
Amperage2 A
Unit Count1 Count
Form FactorCompact
ConnectivityUSB-C, WiFi
Model NumberKP4
Maximum Power18 watts
Connector TypeDC
Output Current2 A
Output Voltage12 volts_of_direct_current, 5 volts, 5 volts_of_direct_current, 9 volts_of_direct_current
Output Wattage36 watt-hours
Item Dimensions1.1 x 4.72 x 4.72 inches
Mfr Part NumberKP4
Number of Items1
Power Plug TypeNo Plug
Battery Cell TypeLithium Ion
Number of Outlets5
Full listing titleKP4 Mini UPS Battery Backup for WiFi Router, Modem, CCTV Camera, Smart Home Devices, 10000mAh 36Wh DC UPS with USB-C, USB-A & 3 DC Outputs, 0ms Transfer

Ready to buy?

KP4 Mini UPS Battery Backup for WiFi Router, Modem, CCTV Camera, Smart Home Devices, 10000mAh 36Wh DC UPS with USB-C, USB-A & 3 DC Outputs, 0ms Transfer is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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