Power Bank for 4G Routers and Fiber Routers(FTTH)

Manufactured the right way, not the cheapest way!

Price Rs 3,000

All inclusive
Factory Direct Sales only

Attractive limited time online offer with FREE islandwide delivery

Power Bank for 4G Routers and Fiber Routers(FTTH)

Bravo Solutions, with over a decade of experience  in Electronic product manufacturing in Sri Lanka, partnered with Comnet Labs Sweden, now enters into the Power Storage space with the introduction of “PowerTANK”.  This innovative device directly addresses the immediate issue of Broadband and Fiber disconnection due to sudden power cuts. “PowerTANK” is parallelly charged by the 4G/Fiber Router Power adapter when the grid power is available and releases power when the Grid Power goes down, thus maintaing the broadband connectivity for many hours of continuous useage.

This product is designed around state of the art Power control circuitry preventing over charging and most importantly over discharging at 2 different levels. The bulit-in Li-Ion high capacity batteries will get a Trouble-FREE long life operation. 


Installation is very straightforward. But please read the below instructions and below FAQ section.

1. Make sure your Router’s Power Adapter is supplying 12V DC 1.5A or above. Connect it to the wall socket.

2. Connect your Power Adapter’s DC connector to the DC jack of the “PowerTANK”

3. Connect the DC connector of “PowerTANK” to your Fiber/4G Router. Turn ON the router.

4. Enjoy uninterrupted Broadband/Telephone sevice. 

5. Keep this connected to the wall socket at all times when the router is in use. 



  • High Capacity Li-Ion batteries are used. Normally gives 5 – 9 hours backup for 4G(LTE) Routers and 7-11 hours backup for Fiber Routers.
  • Ideal for continuing to browse during Lightning (Disconnect the Power from “Mains” and let the PowerTANK take over)
  • High Quality BMS controls all the important aspects of the product
  • Over Charge Protection
  • Over Voltage Protection
  • Short Circuit and Over Discharge Protection
  • Powers directly from the 4G router’s power adapter and FTTH Router’s power adapter (Adapter should be 1.5A or above)
  • Seperate LED status indicator
  • Elegant Finish with White ABS enclosure
  • Consumes very low Power for internal operation
  • Product is Made in Sri Lanka with a 1 year warranty against all malfunction 

Frequently Asked Questions (FAQ)

Q. What is this device

A.  This is a Power Storage device can be used for Backup Power for your 4G/Fiber Router ?

Q. Can this be used only for Routers ?

A. This can theoritycally be used for other appliances like CCTV cameras, Security Alarms, Home Automation Systemstc… Most of the Lower Power Devices need a 12V DC power source can be powerd by PowerTANK. But the current requirement should be ideally less than 1A constant current and 2A surge current. This is the safe operating condition for longer battery life

Q. Are the Li-Ion batteries safe to operate ?

A. Yes they are. All required safety circuitry is installed inside for protection against Short circuit, Over charging and over diacharge

Q. Why do you have a Fuse installed.

A. The fuse gives another level of protection against any possible short circuit. It’s a 7A fuse factory installed. But you can install a Lower value like 2A if you need further protection.