Power outages and surges can disrupt your home network, interrupt video calls, and cut off streaming. The following uninterruptible power supplies (UPS) are designed to keep your WiFi modem and router online during outages, while offering multiple ports and protections. This guide highlights five reliable options with varying capacities to suit different setups, from compact homes to small offices.
| Brand | Model / Name | Capacity | Key Feature |
|---|---|---|---|
| SKE SMART KEY ENERGY | Mini UPS DC 20000mAh Battery Backup & Surge Protector | 20000mAh | 5 ports including 5V/2A USB and 5V/3A, 9V/2A, 12V/3A DC outputs |
| Shanqiu | Mini UPS Battery Backup with Gigabit POE for Router, Modem | Not specified (POE 48V options) | 48V PoE output; RJ45 1000Mbps network and power |
| SKE SMART KEY ENERGY | Mini UPS Battery Backup 10400mAh | 10400mAh | Four output ports incl 9V/12V and USB 5V; multiple protections |
| Shanqiu | Mini UPS Battery Backup Uninterruptible Power Supply (74Wh White) | 74Wh | Aluminum housing; multiple DC outputs; supports router/modem |
| INVERCRIGIL | Mini UPS For WiFi Router/Modem/Set top Box Devices | 10400mAh | Smart power-cut with surge protection; 4-8 hours backup |
Below are five detailed product sections. Each highlights a suitable UPS option for keeping your WiFi gear running through outages, with a focus on compatibility, protection features, and expected runtimes.
Mini UPS DC 20000mAh For Router And Modem

Powered by a 20000mAh capacity, this UPS is designed to provide uninterrupted power to a router and modem (around 20W) for up to seven hours. It includes a 5-port setup with USB 5V/2A and DC outputs at 5V/3A, 9V/2A, and 12V/3A. Automatic Voltage Regulation and surge protections safeguard connected devices during power fluctuations, short circuits, and overcharging. This model prioritizes broad compatibility with home networking gear and quick charging for mobile devices.
Mini UPS Battery Backup With Gigabit POE For Router

Designed to support routers, modems, and devices needing PoE, this unit includes a 48V Gigabit POE capability. It reduces downtime by enabling network continuity even during outages. It is compatible with security cameras and other PoE-powered devices while delivering data transmission and power through the same Ethernet line. Note that standalone lithium batteries are not included with the package, so buyers should verify their power needs and compatibility with PoE setups.
Mini UPS Battery Backup 10400mAh And 4 Output Ports

With a total capacity of 38.48Wh (10400mAh), this UPS supports multiple devices via four output ports: 9V/2A, 12V/2A, 12V/2A, and USB 5V/2A. It is designed to power routers and cameras, offering comprehensive protection from short circuits, overcurrent, and overcharging. The combination of high-capacity battery and diverse outputs makes it a flexible option for households with several network devices requiring stable uptime.
Shanqiu Mini UPS Battery Backup For Router And Modem

This mini UPS provides uninterrupted power for routers, modems, and security cameras with an aluminum housing and an output ceiling of 60W. It offers flexible output configurations including USB 5V and multiple DC outputs (5V, 9V, 12V). A compact footprint targets home networks and small office environments, ensuring stable connectivity during outages and enabling continued network management and monitoring while power is out.
Mini UPS For WiFi Router/Modem With 10400mAh

Featuring a 10400mAh battery and support for 9V/12V-1A to 2A inputs, this unit provides a steady backup for routers, modems, and set-top boxes. It includes USB 5V charging and supports PD fast charging via USB-C. Weighing a compact 1.1 pounds, it suits small desks and space-constrained setups while keeping essential networking devices online during outages.
Shanqiu Mini UPS For Router And Modem (74Wh)

Offering a 74Wh capacity with an aluminum alloy housing, this UPS supports multiple DC outputs (5V, 9V, 12V) and a USB port. It is designed to power routers and modems during outages while also handling devices like security cameras and LED strips. The sturdy build and a diverse output set aim to provide reliable power continuity for home networks and small offices alike.
Buying Guide: Key Purchase Considerations
- Power capacity and expected runtime: Higher mAh or Wh generally means longer backup time for routers and modems. Calculate based on your device wattage and desired uptime.
- Output options: Look for multiple DC voltages (5V, 9V, 12V) and USB ports to support routers, modems, cameras, and mobile devices concurrently.
- PoE support: If your network devices rely on PoE, consider a UPS with PoE output or compatibility with PoE-enabled devices, ensuring data and power transfer on a single cable.
- Protection features: Ensure automatic voltage regulation, short-circuit protection, overcurrent, and overcharge protection to safeguard electronics.
- Form factor and cooling: Compact designs save space, while robust housings (aluminum, for example) provide durability and heat management for extended use.
- Compatibility: Confirm that the UPS supports your specific router/modem model and any additional devices like set-top boxes or security cameras.
- Ease of use: Consider ease of charging and the availability of indicators or status alerts to monitor battery health and power status.
- Mounting and placement: Some units offer wall-mount or flat placement options—choose one that fits your setup and cable routing needs.
- Maintenance: Check whether batteries are user-replaceable or if replacement requires professional service; this affects long-term cost of ownership.
In selecting a UPS for a WiFi modem and router, prioritize a balance of capacity, protection, and output versatility to ensure continuous internet access during power events. Each option above provides distinct advantages, from high-capacity backup to PoE-enabled continuity, helping you tailor a setup to your home network needs.