A WiFi router uses about 12 watts running, with no starting surge, and it runs at 100% duty cycle when it’s on.
Quick Answer Box:
- Running Watts: ∼12W
- Starting / Surge Watts: 0W – routers have no compressor or motor, no surge
- Running Amps: 0.1A @ 120V
- Duty Cycle: 100% – always on when plugged in
- Daily kWh if on 24/7: 0.288 kWh
Unlike a mini fridge, a router draws the same watts the entire time. No extra power needed to start.
How Much Does It Cost to Run a WiFi Router?
Formula: Watts x hours / 1000 x $/kWh = cost
At $0.15/kWh:
If you run it 8 hours a day during a power outage:
12W x 8 hours = 96 Wh per day = 0.096 kWh per day
0.096 x $0.15 = $0.014 per day / $0.43 per month
If you run it 24/7 as home internet:
| Usage | kWh per Day | Cost per Day @ $0.15 | Cost per Month @ $0.15 | Cost per Month @ $0.30 |
|---|---|---|---|---|
| 8 hrs/day | 0.096 kWh | $0.014 | $0.43 | $0.86 |
| 24 hrs/day | 0.288 kWh | $0.043 | $1.29 | $2.59 |
At California rates of $0.45/kWh, 24/7 costs $3.88 per month.
Can a Portable Power Station Run a WiFi Router?
Yes. A WiFi router is one of the easiest devices to run because it only needs about 12W continuous and has no surge.
Here are 22 power stations and generators that can run a WiFi router and how long they last:
Small – Under 500Wh – Best for internet only:
- MARBERO Portable Power Station 88Wh – 88wh, 80w – 6.2hrs
- Jackery Explorer 300 – 293wh, 300w – 20.8hrs
- Azocek DC 18V to AC 110V Portable Power Station – 220wh, 220w – 15.6hrs
- BLUETTI AC50B – 448wh, 700w – 31.7hrs
- EcoFlow River 3 Plus Extra Battery EB600 – 572wh, 600w – 40.5hrs
Medium – Best value for router + laptop:
- Anker SOLIX C1000 – 1056wh, 1800w – 74.8hrs
- Anker SOLIX C1000 Gen 2 – 1056wh, 2000w – 74.8hrs
- BLUETTI AC70 – 768wh, 1000w – 54.4hrs
- EcoFlow DELTA 3 Plus – 1536wh, 1800w – 108.8hrs
- BLUETTI Elite 200 V2 – 2073.6wh, 2200w – 146.9hrs
- BLUETTI AC200L – 2048wh, 2400w – 145.1hrs
- EcoFlow DELTA 2 Max – 2048wh, 2400w – 145.1hrs
- OUPES Exodus 2400 – 2232wh, 2400w – 158.1hrs
- Dabbsson 2150Wh Portable Power Station – 2150wh, 2400w – 152.3hrs
Large – Multi-day home backup:
- Jackery Explorer 2000 v2 – 2042wh, 2200w – 144.6hrs
- BLUETTI Elite 300 – 3014wh, 2400w – 213.5hrs
- Anker SOLIX F3000 – 3072wh, 3600w – 217.6hrs
- EcoFlow DELTA Pro – 3600wh, 3600w – 255hrs
- PowerSmart 4800W Portable Inverter Generator – 13034wh, 3800w – 923.2 hrs
- Westinghouse 5000 Peak Watt Super Quiet Portable Inverter Generator – 19000wh, 3900w – 1345.8hrs
- Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator – 28000wh, 9500w – 1983.3hrs
- Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator – 35000wh, 11500w – 2479.2hrs
All runtimes are for router only at 12W with 85% inverter efficiency. If you add a laptop, subtract its watts.
What Size Generator Do You Need for a WiFi Router?
Minimum 80W continuous. A WiFi router has no surge, so any generator that can do 12W continuous will run it. The smallest unit here, MARBERO 88Wh at 80W, runs it for 6.2 hours.
Recommendation: 100W – 300W power station.
You do not need a 2000W generator for a router. A 100W station uses less energy in conversion. The Jackery Explorer 300 at 300W is the quietest sweet spot for 20.8 hours of internet during an outage.
2 Tips to Save Power on a WiFi Router Only
1. Use the DC port instead of AC if your station has it. A router’s power brick converts AC to 12V DC, then the power station’s inverter converts DC to AC, then the brick converts it back to DC – you lose 15% each way. Many routers run on 12V DC directly. Plug a 12V DC5521 cable from the BLUETTI AC70 or Anker C1000 DC output straight to the router and runtime goes from 54.4 hours to 62 hours – no inverter needed.
2. Turn off 5GHz and use 2.4GHz only on battery. On dual-band routers, the 5GHz radio uses 2-3W extra. When on a small station like the MARBERO 88Wh, log into your router admin at 192.168.1.1 and disable the 5GHz SSID during an outage. That drops draw from ∼12W to ∼9W and stretches 6.2 hours to 8.2 hours. Speed drops, but internet stays on.
FAQ
How long will a WiFi router run on Jackery Explorer 300?
20.8 hours for router only: 293Wh, 300W. Real world about 18-19 hours after inverter losses. If you also charge a phone at 15W, total is 27W, runtime drops to about 9.2 hours.
Do I need pure sine wave for a WiFi router?
No. Routers use a switching power adapter that works on both pure sine wave and modified sine wave. The Azocek DC 18V to AC 110V Portable Power Station at 220W is modified sine wave and will run a router fine, unlike a mini fridge.