Skip to content
TalentCell Mini UPS SL3400 27000mAh
TalentCell · Mini UPS & routers

TalentCell Mini UPS SL3400 27000mAh

97.2 Wh mini UPS designed to keep your router and modem running during a power outage, not to back up the whole house.

—/ 10

PowerLight score

Our own read for home backup during a power outage, comparable across units in the catalog. Not Amazon buyers' rating. How we score →

Wh
97
W continuous
37
kg
0.70
ASIN verified against the listing on September 21, 2026We don't sell or ship anythingSpec sheet reviewed on October 18, 2026
See price

Best use case

Anyone who just needs the internet to stay up during a power outage, without spending on a full power station.

This isn't a generator for the house: it's a small, specific backup for what's lost first in a long power outage, your internet connection. TalentCell is the go-to brand in this specific niche, mentioned organically in home-automation and emergency-prep forums, not just in its own marketing.

With 97.2 Wh and 12V and 9V DC outputs plus an 18W USB-A and USB-C, it's enough to keep a router, a modem running, and charge a phone for several hours straight — exactly the use case described in its own reviews, including real accounts of use during hurricanes.

Pros

  • The go-to brand specifically for this niche (mini UPS), not a generic product adapted for it
  • Built specifically for router/modem, overload and short-circuit protections included

Cons

  • Doesn't support continuous loads above 37W — not useful beyond small electronics

Ideal for: Anyone who just needs the internet to stay up during a power outage, without spending on a full power station.

Mandatory check with your shipping agency. PowerLight doesn't recommend shipping methods or determine whether a product can be accepted or shipped. Before buying, ask your shipping agency to confirm in writing that they accept the exact model, along with requirements, cost, and timeline.

Estimated runtime with common household equipment

  • WiFi router10 W
    ≈ 7.8 h–8.7 h
  • LED light bulb9 W
    ≈ 8.6 h–9.7 h
  • Standing fan55 W
    can't sustain the continuous power
  • Standard home refrigerator150 W
    can't sustain the continuous power

How long TalentCell Mini UPS SL3400 27000mAh can power each device in a row, calculated with the same efficiency range (80%–90%) as the runtime calculator.

Spec sheet

Capacity
97 Wh
Continuous output
37 W
Weight
0.70 kg
Max continuous power
37W
Outputs
4x DC 12V, 1x DC 9V, 2x USB
Input port
12.6V/2A
Model
SL3400

To understand this better

See more from TalentCell →

TalentCell Mini UPS SL3400 27000mAh

See price