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Starwatt® 5V 4A Mini UPS for Mi WiFi Routers, WiFi Camera, Google Nest WiFi, Media Converter, Biometric, Arduino, Raspberry Pi 3,4 with Power Adaptor | Uninterrupted Power Backup | 6- 14 Hours Backup* | Supports All 5V upto 4A & USB Powered Devices | Replaceable Battery

2,899.00

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Starwatt® 5V 4A Mini UPS for Wi-Fi Routers, IoT Devices & USB-Powered Devices
Keeps your internet, smart devices, and security systems powered during outages.

Product Overview

The Starwatt® 5V 4A Mini UPS is a compact, high-performance power backup solution designed to ensure uninterrupted operation of your 5V DC and USB-powered devices during power outages. Powered by a high-capacity 15700mAh (70.55Wh) lithium-ion battery, built with six BIS-certified Li-Ion cells, it delivers 6 to 14 hours of backup, depending on the connected device’s power consumption. This plug-and-play UPS is perfect for home offices, online classes, smart homes, and security systems, offering seamless power for devices like Wi-Fi routers, IoT hubs, CCTV cameras, Raspberry Pi, and more. Its lightweight and durable design ensures easy setup without tools or technical expertise.With versatile connectivity options and a BIS-certified 12V 3A power adapter, it supports simultaneous charging and powering of connected devices, making it a versatile solution for residential, professional, and IoT applications.

Key Features

  • High-Power 5V Output Design: Supports all 5V DC and USB-powered devices with current ratings from 0.2A to 4A, ensuring compatibility with a wide range of devices.
  • High-Capacity Battery: Equipped with a 15700mAh (70.55Wh) lithium-ion battery, comprising six BIS-certified 2600mAh Li-Ion cells, delivering 6–14 hours of backup depending on device load.
  • Intelligent Battery Management System (BMS): Provides comprehensive protection against overcharging, deep discharge, overcurrent, overheating, and short circuits, ensuring safe operation and extended battery lifespan.
  • Zero-Lag Switching Technology: Guarantees instantaneous switchover from mains to battery power during outages, preventing device reboots, data loss, or connectivity disruptions.
  • Compact & User-Friendly Design: Lightweight, plug-and-play setup with a BIS-certified 12V 3A power adapter for fast, stable charging and simultaneous powering of up to two devices.
  • Durable Construction: Built with a high-quality polycarbonate body for durability and features a replaceable battery for long-term sustainability and cost-efficiency.
  • LED Status Indicators: Displays real-time charging, backup, and battery status for easy monitoring.
  • Wide Application: Perfect for 5V Wi-Fi routers, wireless CCTV cameras, biometric systems, IoT gateways, smart speakers (e.g., Google Nest Mini), Raspberry Pi 3/4, Arduino, pocket Wi-Fi hotspots, media converters, and other 5V DC or USB-powered devices with up to 4A combined current draw.

Universal Compatibility

The Starwatt® 5V 4A Mini UPS is designed to support a broad range of 5V DC and USB-powered devices with current ratings between 0.2A and 4A. It is compatible with:

  • Wi-Fi Routers & Modems: Supports 5V Wi-Fi routers, mesh routers, pocket Wi-Fi hotspots, and media converters from leading brands such as Mi Router 4A, Google Nest WiFi, TP-Link, D-Link, Netgear, Tenda, and more.
  • CCTV & IP Cameras: Powers 5V wireless CCTV cameras, Wi-Fi cameras, 4G cameras, and surveillance systems from brands like Hikvision, CP Plus, Dahua, and others.
  • IoT & Smart Home Devices: Compatible with 5V IoT gateways, smart speakers (e.g., Google Nest Mini, Amazon Echo Dot with 5V input), Raspberry Pi 3/4, Arduino, IoT controllers, and edge AI devices.
  • Biometric & Access Control Systems: Supports 5V biometric attendance machines, access controllers, smart door locks, and other security devices.
  • Other Devices: Powers 5V set-top boxes, VOIP phone systems, alarm systems, USB-powered hubs, and other 5V DC devices.
  • All Major ISPs in India: Works seamlessly with devices from JioFiber, Airtel Xstream Fiber, BSNL Broadband, ACT Fibernet, Tata Play Fiber, Hathway Broadband, Excitel Broadband, You Broadband, Tikona Infinet, RailWire, Spectra, Den Broadband, Asianet Broadband, Netplus Broadband, and more.
  • Not Compatible: Devices requiring voltages other than 5V or current ratings above 4A. Always verify your device’s input voltage (5V) and current (≤4A) on the device or adapter label before use.

Why Choose Starwatt® 5V 4A Mini UPS?

The Starwatt® 5V 4A Mini UPS is the ultimate power backup solution for modern connectivity and smart home needs. Whether you’re working from home, attending online classes, streaming media, or monitoring security systems, this UPS ensures your critical 5V devices remain operational during power outages. Its key advantages include:

  • Seamless Connectivity: Zero-Lag Switching technology ensures uninterrupted internet for Zoom calls, VPNs, online gaming, and streaming, preventing buffering or disconnections.
  • Robust Power Backup: The 15700mAh battery provides 6–14 hours of reliable power, making it ideal for extended outages or generator switchovers.
  • Safety & Reliability: The intelligent BMS protects your devices and the UPS itself from electrical hazards, ensuring long-term performance.
  • Versatile Connectivity: Includes a DC Barrel Jack Port, a 5V Type-A USB bridge cable (30cm, DC 5.5 x 2.1 mm), and two additional male connectors (5.5 x 2.5 mm and 4.0 x 1.7 mm) for compatibility with a wide range of devices.
  • Designed for 24×7 Operation: Perfect for continuous use in smart homes, small offices, and IoT setups, supporting critical applications like CCTV monitoring, biometric systems, and network connectivity.

Additional Features

  • Replaceable Battery Program: Features an EV-grade 3C lithium-ion battery, replaceable at the end of its lifecycle, allowing the UPS to be renewed and reused for cost-efficiency and environmental sustainability.
  • Multiple Connector Options: Comes with a 30cm DC 5.5 x 2.1 mm bridge cable and two additional male connectors (5.5 x 2.5 mm and 4.0 x 1.7 mm) to support devices from major brands.
  • Work-from-Home & Online Class Ready: Ensures uninterrupted power for Zoom calls, online classes, VPNs, remote work setups, and CCTV monitoring during power cuts or generator switchovers.
  • Quick Plug-and-Play Setup: Easy installation—connect the BIS-certified 12V 3A power adapter to the UPS input, then connect the UPS output to your device. LED indicators provide clear feedback on charging, backup, and battery status.
  • Self-Check Compatibility: Before ordering, confirm your device’s input voltage is 5V and current draw is ≤4A by checking the device or its adapter’s label.
  • Eco-Friendly Design: The replaceable battery and durable polycarbonate body reduce waste and ensure long-term usability.
  • BIS-Certified Power Adapter: Includes a 12V 3A tabletop power adapter with a 1.5-meter cable for fast, stable charging and simultaneous powering of devices.

Stay Connected, Stay Powered!

Add the Starwatt® 5V 4A Mini UPS to your cart today and ensure uninterrupted power for your essential 5V devices. Keep your Wi-Fi routers, IoT devices, CCTV cameras, and smart home systems running smoothly, even during power outages, for seamless connectivity and security.

Item Model ROU5V4S
Power Source / Input Starwatt Power Adapter Input: 12V, 3A ±1%
Number of Outputs One
Power Output 5V, <4A Single Output +/- 1%
Battery Capacity 6x2600mAh (15700mAh) (70.55Wh) Li-ion NMC EV Grade 3C BIS Certified cells
Backup Time Up to 12 hours (depends on device load)
Switching Zero-lag between mains and battery
LED Indicators Charging, Battery Mode, Fully Charged
Device Compatibility 5V Routers, ONT, ONU, CCTV, WiFi camera, 4G camera, Set-Top Boxes, Smart Devices
Material Durable Polycarbonate
Weight 500g (UPS), 250g (Adapter)
Warranty 1 Year on Mini UPS, 3 Months on Accessories
Country of Origin India
1 x Starwatt® 5V 4A Mini UPS Pro Single Output (Model: ROU5V4S)
1 x BIS Certified 12V 3A Power Adapter
1 x Bridge Cables (30cm, 5.5×2.1mm connectors)
1 x USB Power Trasnfer Bridge Cable
2 x Additional Connector Tips (5.5×2.5mm, 4.0×1.7mm)
1 x User Guide
1 x Warranty Card
Installation Steps:
1. Switch off your Router Main Power Supply.
2. Disconnect your Router from Power Adapter.
3. Ensure that Router UPS Push Button switch is in OFF position (Red mark in pressed down position is ON; other way is OFF).
4. Connect Router Power Adapter to “IN” side of Router UPS.
5. Connect “OUT” Side of Router UPS with supplied Cable to your Router Power Input.
6. Switch on the Main power supply.
7. Switch on the Router UPS Push button switch. Now your router should be up.
LED Indicator Status:
RED Light: Charging
Green Light: Supplying power
Note: The Starwatt Mini UPS 5V 4A features an intelligent charging system that stops at 85% to extend battery life. There is no full charge indication, as charging beyond this point can reduce the battery’s lifespan. This ensures reliable and long-lasting power backup.
IMPORTANT:
1. Please check the power ratings of your Wi-Fi router/adapter (written on back of router/adapter) before ordering the compatible model. Router’s voltage must match with UPS voltage.
2. The Starwatt Wi-Fi Router Online UPS should be charged for 5 hours before first use.
3. Self-Check compatibility section can help to choose the right model.
4. Make sure to connect your adaptor to the input. Connecting the power source to the output jack can permanently damage the device and void warranty.
5. Keep the UPS away from the reach of children.

With the Starwatt Mini UPS for Wi-Fi Router, Stay connected to the Internet, even during power outages. Featuring an intelligent battery management system, Router Online UPS charges itself when connected to electricity. The built-in power line detection circuit of Router UPS ensures switching between the power line and battery without any delay which keeps the device running during power cuts and switch over to generators. Let’s you keep your ZOOM or Video Calls / your kid’s online classes/ your video yoga or gym session and Work from Home running without any interruption, VPN disconnect or conference call drop.

24x7 Operation

  • Up to 6-8 hours Backup – 15600mAh Li-Ion Battery with Intelligent Battery Management System for Over-Charge and Low Battery Deep Discharge Protection.

Zero-Lag Switching

  • Allows your Router/Modem to seamlessly continue functioning during power outages with no downtime.

Intelligent Charging

  • Comes with a True 12V 3.5A Adaptor for Fast charging and Powering Devices simultaneously.
  • 3X Battery Life with Optimized CC-CV Charging algorithm ensures that the internal battery of Router Online UPS is charged safely and provide a much longer battery life.

Portable & Light Weight

  • Quick installation with Plug and Play Design
  • Comes with LED Indicator for Charging, UPS Running on Battery, Fully Charged. Easy to Operate | Wall Mount design | Removable 30cm Bridge Cable.

Supported Devices

  • Compatible with wide range of devices: WiFi Routers, Modems, ONT, ONU, WiFi Cameras, CCTV Cameras. Media Converters, USB Powered Devices, Smart Speakers etc.
  • Supports All Type of 5V DC Devices from 5V – 0.5A, 5V – 1A, 5V – 1.5A, 5V – 2A, 5V 2.5A, 5V 3A, 5V 3.5A, 5V 4A

Detailed Specification:

  Brand   Starwatt™ 
  Manufacturer   Starwatt Technologies Private Limited, SCO 138, First Floor, Panchkula Shopping Complex, Peermuchalla, Zirakpur, Punjab, India – 160104
  Model   Mini UPS Pro
  Model Year   2025
  Product Dimensions   L 152mm x W 48mm x H 74mm
  LED indicator   Yes, Charging, UPS Running on battery, Full Charged
  Item Model   ROU5V4S
  Number of Items   Router Online UPS (1), Bridge Cable (2) Power Adaptor (1), Connectors (2), Power Transfer USB Bridge Cable(1), User-Guide (1) & Warranty Card (1)
  Power Source / Input   Router’s Power Adaptor Input: 12V, 3A +/- 2%
  Power Output   5V, <4A +/- 2%
  Number of Output   Single
  UPS Switching Type   Zero Lag Switching
  Battery Backup Time   6-8 Hours
  Batteries Included   Yes
  Batteries Type   High Density Lithium-ion batteries (included)
  Battery Capacity   70.55Wh, 6 x 2600 mAh
  Battery Protection   Battery Management System + Overcharge and Deep Discharge Protection
  Cable Length   30 cm
  Connector Type   DC Jack IN: 5.5*2.1mm, OUT: 5.5*2.1mm
  Material   Polycarbonate
  Wall Mount   Yes
  Country of Origin   India
  Item Weight   750G

Frequently Asked Questions:

Router Online UPS has an intelligent battery management system that automatically charges the battery when the power is available and seamlessly switches to battery mode during power cuts.
Battery will only charge when UPS is connected to Adaptor with the power switch in the ON position.
Yes, connectors for thin pin routers are included in the package.
Q: What’s the backup time? How can I decide which model is suitable for my device? A: Different make/models of routers, consume different amounts of current. Hence, backup time will depend on the make/model of the router from 3 to 6 hours. You can choose the most suitable UPS for your Router from the list of the UPSs by getting the below-mentioned information: 1. What is the device you plan to use? 2. What is the working voltage and currently mentioned on the Adaptor or Router? 3. What is your expected backup time? Q: How can I maintain the device’s lifetime? A: When stored, the ups will self-discharge at a rate that is greatly affected by the ambient temperature. It should therefore be fully charged before being put into storage and if it is to be stored for a long period, it should be recharged periodically to prevent it from losing its original capacity. If the UPS is not used for a long time, it is suggested to charge it once every 3~5months Q: Do you have any other models? A: Yes, we have various models with different voltage configurations, you can contact us at +91-8971090763 contact for more details. Q: How long does the Router Online UPS provide power backup? A: Up to 6 hours and depends on your make/model as power consumption varies with different OEMs. Q: How do I know if Router Online UPS will work with my Wi-Fi Router? Is there a compatibility list? A: Starwatt Wi-Fi Router Online UPS has a range of models that supports 5V, 9V, 12V powered Wi-Fi, Wi-Fi/ADSL Router. We also provide dual and triple output devices. Please ensure power compatibility by looking at the specification sticker on the backside of the Router/Modem and power adaptor before you place the order. Q: How do I install Router Online UPS? A: Router Online UPS is designed for DIY (Do It Yourself). It’s really simple to install – The installation guide in the packaging box will help you install Router Online UPS in less than 30 seconds. Q: How long does it take to install Router Online UPS to my Wi-Fi Router? A: 30 Seconds only. Q: Does it work with ADSL/Wi-Fi Routers? A: Yes. Please ensure to buy/use the model with appropriate power ratings. Q: Will my Wi-Fi Router be affected anyway? A: No, Router Online UPS is carefully designed with several safety protection circuits and a battery management system to ensure the safety of your Wi-Fi Router. Q: I have an ADSL Router (Modem) and a separate Wi-Fi Router, Can Router Online UPS provide power backup to both? A: Router Online UPS is primarily designed for a single device. However, you can use a splitter cable if the combined power ratings of your Modem and Router are less than the Router Online UPS specifications. Q: Does Router Online UPS come with a warranty? A: Yes, Router Online UPS comes with 1 Year warranty. Q: Can I connect Router Online UPS with any 9V device? A: Yes. Please check the power ratings of the Wi-Fi router before connecting to the Router Online UPS. If the Rater operational voltage is 9V, then it can be used to provide power backup to any 9V router. Q: Can I use this outdoor? A: No. The current version of Router Online UPS is designed for Indoor use.

Router Online UPS has an intelligent battery management system that automatically charges the battery when the power is available and seamlessly switches to battery mode during power cuts.

Battery will only charge when UPS is connected to Adaptor with the power switch in the ON position.

Yes, connectors for thin pin routers are included in the package.

Q: What’s the backup time? How can I decide which model is suitable for my device?

A: Different make/models of routers, consume different amounts of current. Hence, backup time will depend on the make/model of the router from 3 to 6 hours.

You can choose the most suitable UPS for your Router from the list of the UPSs by getting the below-mentioned information:

1. What is the device you plan to use?
2. What is the working voltage and currently mentioned on the Adaptor or Router?
3. What is your expected backup time?

Q: How can I maintain the device’s lifetime?

A: When stored, the ups will self-discharge at a rate that is greatly affected by the ambient temperature. It should therefore be fully charged before being put into storage and if it is to be stored for a long period, it should be recharged periodically to prevent it from losing its original capacity.

If the UPS is not used for a long time, it is suggested to charge it once every 3~5months

Q: Do you have any other models?

A: Yes, we have various models with different voltage configurations, you can contact us at +91-8971090763 contact for more details.

Q: How long does the Router Online UPS provide power backup?
A: Up to 6 hours and depends on your make/model as power consumption varies with different OEMs.

Q: How do I know if Router Online UPS will work with my Wi-Fi Router? Is there a compatibility list?
A: Starwatt Wi-Fi Router Online UPS has a range of models that supports 5V, 9V, 12V powered Wi-Fi, Wi-Fi/ADSL Router. We also provide dual and triple output devices. Please ensure power compatibility by looking at the specification sticker on the backside of the Router/Modem and power adaptor before you place the order.

Q: How do I install Router Online UPS?
A: Router Online UPS is designed for DIY (Do It Yourself). It’s really simple to install – The installation guide in the packaging box will help you install Router Online UPS in less than 30 seconds.

Q: How long does it take to install Router Online UPS to my Wi-Fi Router?
A: 30 Seconds only.

Q: Does it work with ADSL/Wi-Fi Routers?
A: Yes. Please ensure to buy/use the model with appropriate power ratings.

Q: Will my Wi-Fi Router be affected anyway?
A: No, Router Online UPS is carefully designed with several safety protection circuits and a battery management system to ensure the safety of your Wi-Fi Router.

Q: I have an ADSL Router (Modem) and a separate Wi-Fi Router, Can Router Online UPS provide power backup to both?
A: Router Online UPS is primarily designed for a single device. However, you can use a splitter cable if the combined power ratings of your Modem and Router are less than the Router Online UPS specifications.

Q: Does Router Online UPS come with a warranty?
A: Yes, Router Online UPS comes with 1 Year warranty.

Q: Can I connect Router Online UPS with any 9V device?
A: Yes. Please check the power ratings of the Wi-Fi router before connecting to the Router Online UPS. If the Rater operational voltage is 9V, then it can be used to provide power backup to any 9V router.

Q: Can I use this outdoor?
A: No. The current version of Router Online UPS is designed for Indoor use.

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