The Ambrane CyberVolt 2 is a compact 12 V mini UPS (Ambrane also calls it a mini power bank) that keeps a Wi-Fi router or modem online during power cuts. The Amazon.in listing describes a 6000 mAh battery built from three 2000 mAh cells, output of up to 2 A and backup of up to 5 hours, and Ambrane’s own CyberVolt page repeats the 6000 mAh and 5-hour claims. It is a reasonable pick for a single Wi-Fi or ADSL router on a 12 V adapter, as long as you check your router’s power needs first.
This review covers the purple variant sold under ASIN B0DWSS8GM7. It draws on Ambrane’s official product page, the Amazon.in listing data captured on 17 October 2026 and published guidance on router backups. It is not a hands-on test, and we point out where the listing and the official page leave gaps or disagree.
Ambrane CyberVolt 2 at a glance
| Item | What the sources say |
|---|---|
| Battery | 6000 mAh (official page). Listing: 3 x 2000 mAh lithium-ion cells |
| Claimed backup | Up to 5 hours (official page and listing) |
| Output | 12 V, up to 2 A (listing title). The listing’s technical table says 3 A |
| Outlets | 1 (listing) |
| Router compatibility | Most Wi-Fi and ADSL routers (official page) |
| Connection | Bridge cable links the UPS to the router (official page) |
| Protection | SafeCharge: overcharge, overheating and short-circuit protection (official page) |
| Indicators | LED lights for power and charging status (official page) |
| Weight | 270 g (listing) |
| Listed dimensions | 19 x 9 x 11 cm (listing figure) |
| Colour of this variant | Purple |
| Warranty | 6 months, manufacturer (official page and listing) |
| Country of origin | India (listing) |
Specifications checked on 17 October 2026. Where the official page is silent, the figure comes from the Amazon.in listing and is marked as such.
Quick verdict
- Best for: one 12 V Wi-Fi or ADSL router or modem in a home with frequent, short power cuts
- Skip if: you have Jio AirFiber or Airtel Xstream AirFiber, a router that needs a non-12 V supply, or a separate ONT and router that both need backup
- Key strengths: 6000 mAh battery, up to 5 hours claimed, simple bridge-cable setup, overcharge, overheating and short-circuit protection, light at a listed 270 g
- Key limitations: only 6 months of warranty, a single output, conflicting output-current figures (2 A in the title, 3 A in the technical table), no full spec sheet on Ambrane’s page
Check the current price of the Ambrane CyberVolt 2 (Purple) on Amazon.in
CyberVolt, CyberVolt 2 or PowerVolt? Sorting out the name
Buyers may notice three names for what looks like the same idea. The Amazon.in listing title says “CyberVolt 2”, while the model number field on the same listing says “CyberVolt”. Ambrane’s official page is titled CyberVolt, but some sections of that page refer to a “PowerVolt Router UPS”, a name Ambrane has also used for a router backup. We could not find an official explanation of what, if anything, changed between versions.
In practice, this matters less than the numbers. What you are buying through the link in this article is the listing’s purple unit with the 6000 mAh battery and 12 V output described above. Check the listing title and images before ordering so you know you have the variant you expect.
How much backup to expect
Both Ambrane and the listing claim up to 5 hours. The battery is rated at 6000 mAh. Ambrane does not publish the battery’s watt-hour figure, but lithium-ion cells usually sit around 3.6 to 3.7 V nominal, so 6000 mAh works out to roughly 22 Wh. That conversion is our estimate, not an Ambrane specification.
Backup time equals the usable energy divided by what your router consumes. Some energy is lost when the battery voltage is converted to a steady 12 V. Working backwards, five hours from roughly 22 Wh implies a router drawing about 4 W or less, which is typical of a basic single-band or lightly loaded dual-band router. Heavier routers will see less:
- Around 4 W draw: close to the 5-hour claim
- Around 6 W draw: roughly three to three and a half hours
- Around 10 W draw (a busy Wi-Fi 6 router or mesh base): about two hours
These are illustrative calculations, not test results. Battery capacity also fades with age and heat, so expect shorter backup after a year or two of daily charge cycles.
2 A or 3 A? Reading the output spec correctly
The listing title says “Output up to 2A”, yet the technical table on the same listing gives an output current of 3 Amps. Ambrane’s official page does not state the output current at all. Until Ambrane clarifies, the safe assumption is the lower figure: plan for 12 V at up to 2 A.
To check fit, look at your router’s existing adapter:
- 12 V, 1 A to 2 A: within the conservative rating, so it should be a match
- 12 V, 2.5 A or more: risky. The router may run at idle but cut out under heavy load
- Any other voltage, such as 9 V or 5 V: do not use it unless Ambrane confirms support
The official page describes compatibility with “most Wi-Fi and ADSL routers”. That is a reasonable claim for 12 V routers, but there is no published model list, so your adapter label is the real compatibility test.
Setup: the bridge cable
Ambrane’s page describes a tool-free setup that it says takes less than 30 seconds. You unplug the router’s existing power adapter, plug that adapter into the UPS, then use the supplied bridge cable to connect the UPS to the router. In other words, the CyberVolt uses your router’s own adapter as its input, so there is no extra power brick to find space for.
That design has one consequence worth noting: your router adapter now powers both the router and the battery charging. If your adapter is already rated close to what the router needs, charging may be slower. Ambrane does not publish charging times, so give the unit a full charge before the first outage test.
Also check the router-side plug on the bridge cable. Most routers use a round DC barrel plug, but sizes vary. The official page and listing data do not specify the plug size, so confirm it from the listing images or with Ambrane support (care@ambraneindia.com, as named on the listing) if your router has an unusual socket.
Safety and indicators
Ambrane highlights two things here. The first is SafeCharge, which the official page says protects against overcharging, overheating and short circuits. That matters because a mini UPS stays connected round the clock and keeps topping up its cells. The second is a set of LED indicators that, according to Ambrane, show power and charging status at a glance. The page does not explain each light pattern, so keep the printed manual handy.
As with any lithium-ion device, place the unit where air can move, away from direct sun, cooking heat or inverter batteries, and stop using it if the case bulges or gets unusually hot.
Who it suits, and who should look elsewhere
Good fit: a home or small office with one 12 V Wi-Fi or ADSL router, short and frequent outages, and a desk or shelf with little space. The listed 270 g weight and compact shape make it easy to tuck behind a router.
Look elsewhere: if you use Jio AirFiber or Airtel Xstream AirFiber, if your fibre setup has a separate ONT that also needs power, if your router adapter is rated above 2 A, or if you want more than 6 months of warranty cover. Long outages of several hours are also better handled by a home inverter.
If you were actually looking for a phone or laptop power bank rather than a router backup, our power bank and charger buying guide explains capacity and wattage for those devices.
Alternatives worth comparing
- Geonix Trot R1: listed on Amazon.in with 3 x 1800 mAh cells, a 12 V/2 A output, up to 4 hours of claimed backup, a wall-mountable body and a 1-year manufacturer warranty
- Oakter Mini UPS Pro: described in MySmartPrice’s 2025 router-backup roundup as a 4000 mAh unit with a 12 V/3 A output for regular routers, not AirFiber
- Cuzor Mini UPS Pro: listed in the same MySmartPrice roundup with an 8700 mAh battery, 12 V/3 A output and up to 6 hours of claimed backup, aimed at regular routers rather than AirFiber
- Oakter Mini UPS for AirFiber: for Jio AirFiber or Airtel Xstream AirFiber homes, a model Oakter markets specifically for those kits
Before you order
- Confirm the listing title says CyberVolt 2, Purple, 3 x 2000 mAh (6000 mAh), 12 V
- Read your router adapter label: 12 V and 2 A or less is the safe match
- Count devices: one output covers one router or modem
- Check the listing images for the bridge cable and plug type
- Note the warranty: 6 months from the manufacturer, according to both the listing and Ambrane’s page. Keep your invoice
- After delivery, charge it fully and test it by switching off the wall socket for a minute
See the Ambrane CyberVolt 2 (Purple) on Amazon.in
Frequently asked questions
How long does the Ambrane CyberVolt 2 last on battery?
Ambrane and the Amazon.in listing claim up to 5 hours. That figure suits a low-power router. Higher-draw routers will run for less, so check your adapter rating and expect two to four hours with a busier router.
Is the output 2 A or 3 A?
The listing title says up to 2 A, while the listing’s technical table says 3 A, and Ambrane’s official page does not state it. Treat 2 A as the safe limit.
Does it work with Jio AirFiber?
Ambrane describes compatibility with Wi-Fi and ADSL routers and does not mention AirFiber. AirFiber users should pick a unit designed for those kits.
Can I charge my phone from it?
The listing calls it a mini power bank, but neither the official page nor the listing data we reviewed clearly describes a USB output for phones. Treat it as a router backup, not a phone power bank.
What warranty does it have?
Six months from the manufacturer, according to both the Amazon.in listing and Ambrane’s official page.
Verdict
The Ambrane CyberVolt 2 is a light, simple 12 V router backup with a 6000 mAh battery, an easy bridge-cable setup and basic protection features. Its claims are modest and believable for a low-power router. The catches are the short 6-month warranty, a single output and the unclear output-current figure. If your router uses a 12 V adapter of 2 A or less, it is a sensible way to keep Wi-Fi alive through everyday power cuts.
Check the current price of the Ambrane CyberVolt 2 on Amazon.in
Related reading on GadgetSoch: Resonate RouterUPS NxT Review: 7800mAh Router UPS, Compatibility and Backup Explained and Amkette 8-in-1 Type C Docking Station Review: HDMI, 100W PD and the 4K 30Hz Question.
Sources
- Ambrane India, CyberVolt official product page (checked 17 October 2026)
- Amazon.in product listing for ASIN B0DWSS8GM7, Ambrane CyberVolt 2 Purple (title, feature bullets and technical details captured 17 October 2026)
- MySmartPrice, router power backup roundup (updated August 2025) (checked 17 October 2026)
- Oakter Mini UPS official page (checked 17 October 2026)
