Looking for an efficient backup power solution for your WiFi router, security camera, or smart devices? The 20000mAh 12V Power Bank available at shahje.pk is your go-to power backup device.
✅ 20000mAh Power Bank for 12V Router, Camera, PTCL, NAYATEL, StormFiber – Portable Backup Power Solution | shahje.pk
📑 Table of Contents
- 
Product Overview
 
- 
Key Features
 
- 
Compatible Devices
 
- 
Technical Specifications
 
- 
Use Cases
 
- 
Why Choose This Power Bank?
 
- 
Comparison with Other Backup Solutions
 
- 
How to Connect Power Bank to 12V Routers
 
- 
Safety and Certification
 
- 
Customer Reviews & Testimonials
 
- 
FAQs (Frequently Asked Questions)
 
- 
Conclusion
 
- 
Related Keywords and Tags
 
 
🔌 Product Overview
Looking for an efficient backup power solution for your WiFi router, security camera, or smart devices? The 20000mAh 12V Power Bank available at shahje.pk is your go-to power backup device.
This power bank is engineered specifically to support 12V DC-powered routers and devices, making it the perfect companion for:
- 
PTCL Modems
 
- 
NAYATEL Routers
 
- 
StormFiber Devices
 
- 
12V IP/Analog Security Cameras
 
- 
FiberHome ONTs
 
- 
ZTE, Huawei, and TP-Link Routers
 
Even during power outages or load shedding, this device ensures uninterrupted internet and security surveillance.
 
⚙️ Key Features
✅ Portable & Compact Design
Small enough to be carried in your bag or mounted behind routers.
✅ 12V DC Output
Delivers stable 12V output, compatible with the majority of routers and CCTV cameras.
✅ Reliable 20000mAh Capacity
Provides sufficient runtime for 1–2 hours depending on device consumption.
✅ Plug-and-Play Functionality
Just connect and forget – no special setup or configuration needed.
✅ LED Battery Indicators
Monitor the remaining battery with smart LED indicators.
✅ Fast Charging Capability
Supports fast recharge for minimal downtime between uses.
 
📡 Compatible Devices
This power bank is tested and fully compatible with:
Routers:
- 
✅ PTCL DSL & GPON Routers
 
- 
✅ NAYATEL ONT Devices
 
- 
✅ StormFiber GPON Routers
 
- 
✅ FiberHome OLT/ONTs
 
- 
✅ TP-Link 12V WiFi Routers
 
- 
✅ ZTE Routers (e.g., ZLT X21, ZLT KJ33)
 
Security Cameras:
Other Devices:
 
🔍 Technical Specifications
| Specification | 
Detail | 
| Battery Capacity | 
20000mAh (Li-ion) | 
| Output Voltage | 
12V DC | 
| Input Voltage | 
12V  | 
| Charging Time | 
2-3 Hours | 
| Backup Time | 
4-6 Hours (average) | 
| Weight | 
Lightweight (~100-150g) | 
| LED Indicator | 
Yes | 
| Color | 
Black / White (Options Available) | 
| Protection | 
Overcharge, Short Circuit, Overheat | 
 
💡 Use Cases
🏠 Home Users
🏢 Office Use
🛡️ Security Systems
🚌 Travel or Field Work
🧰 Maintenance Professionals
 
🎯 Why Choose This Power Bank?
✔️ Purpose-Built for Routers
Unlike traditional mobile power banks, this unit is designed for 12V power output, ensuring safe and stable power delivery to your router or camera.
✔️ Budget-Friendly
Affordable and durable — a one-time investment that saves hours of lost connectivity.
✔️ Easy to Install
Just plug into your 12V port using the compatible jack and forget about it.
✔️ Compact but Capable
Though only 2000mAh, the efficient voltage conversion allows adequate uptime for essential devices.
 
🔁 Comparison with Other Backup Power Solutions
| Feature | 
20000mAh Power Bank | 
UPS for Router | 
Mobile Power Bank | 
| Designed for 12V Output | 
✅ Yes | 
⚠️ Sometimes | 
❌ No | 
| Portability | 
✅ High | 
❌ Low | 
✅ High | 
| Price | 
💰 Affordable | 
💸 Expensive | 
💰 Moderate | 
| Backup Time | 
🕒 4-6 Hours | 
🕒 2-4 Hours | 
❌ Incompatible | 
| Device Compatibility | 
✅ Specific | 
✅ Broad | 
❌ Poor | 
 
🔌 How to Connect Power Bank to 12V Routers
Step-by-Step Guide:
- 
Identify the DC jack type of your router or device (usually 5.5mm x 2.1mm).
 
- 
Plug the DC cable from power bank into your router.
 
- 
Make sure the power bank is fully charged.
 
- 
Press the power button (if available) and you're good to go.
 
⚠️ Pro Tip:
Ensure your router or device requires exactly 12V DC. Using the wrong voltage can damage electronics.
 
🛡️ Safety and Certifications
This 12V power bank is equipped with:
Certified by:
Ensuring global compliance and safety standards.
 
⭐ Customer Reviews & Testimonials
"My PTCL router now stays online even during the longest power cuts. Simple and effective!"
— Ali Raza, Lahore
"I’ve used it with both my Nayatel router and 12V Hikvision camera. Works flawlessly."
— Hina Sheikh, Islamabad
"I was skeptical at first due to its small size, but it delivers excellent performance."
— Tariq Mahmood, Karachi
 
❓ FAQs (Frequently Asked Questions)
Q1: How long will this power bank run my router?
A: On average, you’ll get 1–2 hours of backup depending on router power consumption.
Q2: Can I use this with a mobile phone?
A: No, it is built specifically for 12V devices like routers and cameras.
Q3: Is this compatible with PTCL ONUs?
A: Yes, it works with PTCL GPON/ONU routers that require 12V DC input.
Q4: Does it include all necessary cables?
A: Yes, it comes with standard DC output cable and charging cable.
Q5: How do I know if my router supports 12V input?
A: Check the label on your device or the power adapter. If it says "12V DC", it is compatible.
 
🧾 Conclusion
When internet connectivity is essential — whether for Zoom calls, security monitoring, or remote learning — this 20000mAh 12V Power Bank is your reliable lifeline.
Instead of relying on large UPS systems or losing connectivity during power cuts, opt for this compact, affordable, and router-friendly solution. Available now at shahje.pk, your trusted source for network accessories and router solutions in Pakistan.



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