How long will the BLUETTI AC180 run a Wi-Fi router + cable modem?

About 39 hours from a full charge. A Wi-Fi router + cable modem averages about 25 W, and the 1,152 Wh battery gives about 979 Wh after inverter losses. That is 2.6% of the battery an hour.

Can I run other things at the same time?

Yes, up to about 1,775 W more of the 1,800 W output. Each thing you add shares the same battery, so the 39 hours for a Wi-Fi router + cable modem gets shorter.

How much of the battery does a Wi-Fi router + cable modem use in a day?

About 600 Wh a day (25 W × 24 hours), 61% of the 979 Wh the BLUETTI AC180 can deliver.

Bluetti · Will it run?

Can the BLUETTI AC180 run a Wi-Fi router + cable modem?

Published October 11, 2026

Short answerYes

Yes. The BLUETTI AC180 runs a Wi-Fi router + cable modem for about 39 hours from a full charge. At about 25 W on average it uses 2.6% of the battery an hour, and the 1,800 W output leaves plenty of room for more.

Add your other devices

Key numbers

Runtime: 39 hrs; from a full charge
Battery used per hour: 2.6%; at 25 W average

Wi-Fi router + cable modem

Running: 25 W; 10–66 W range
Start-up: 25 W
Average: 25 W; runs all the time

BLUETTI AC180

Battery: 1,152 Wh; about 979 Wh usable
Output: 1,800 W; continuous
Surge: 2,700 W; start-up peak

How we worked it out: 1,152 Wh × 0.85 ÷ 25 W = about 39 hours. The 0.85 covers inverter and battery losses. We do not test units ourselves; the numbers come from the official spec sheets and typical device draws. How we pick

BLUETTI AC180

1,152 Wh · 1,800 W output · 2,700 W surge · 35.3 lb

Full specs and runtimes

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What else the BLUETTI AC180 runs

One device at a time, from a full charge.

Other power stations for a Wi-Fi router + cable modem

The nearest sizes that also run it.

Keep going

Real runtime depends on the model you own, room temperature and battery age. The 39 hours above is an estimate, not a measured result.

Common questions

How long will the BLUETTI AC180 run a Wi-Fi router + cable modem?: About 39 hours from a full charge. A Wi-Fi router + cable modem averages about 25 W, and the 1,152 Wh battery gives about 979 Wh after inverter losses. That is 2.6% of the battery an hour.
Can I run other things at the same time?: Yes, up to about 1,775 W more of the 1,800 W output. Each thing you add shares the same battery, so the 39 hours for a Wi-Fi router + cable modem gets shorter.
How much of the battery does a Wi-Fi router + cable modem use in a day?: About 600 Wh a day (25 W × 24 hours), 61% of the 979 Wh the BLUETTI AC180 can deliver.