How long will the Goal Zero Yeti 1000 (6th Gen) run a Wi-Fi router + cable modem?

About 34 hours from a full charge. A Wi-Fi router + cable modem averages about 25 W, and the 998 Wh battery gives about 848 Wh after inverter losses. That is 2.9% of the battery an hour.

Can I run other things at the same time?

Yes, up to about 1,975 W more of the 2,000 W output. Each thing you add shares the same battery, so the 34 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), 71% of the 848 Wh the Goal Zero Yeti 1000 (6th Gen) can deliver.

Goal Zero · Will it run?

Can the Goal Zero Yeti 1000 (6th Gen) run a Wi-Fi router + cable modem?

Published October 11, 2026

Short answerYes

Yes. The Goal Zero Yeti 1000 (6th Gen) runs a Wi-Fi router + cable modem for about 34 hours from a full charge. At about 25 W on average it uses 2.9% of the battery an hour, and the 2,000 W output leaves plenty of room for more.

Add your other devices

Key numbers

Runtime: 34 hrs; from a full charge
Battery used per hour: 2.9%; 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

Goal Zero Yeti 1000 (6th Gen)

Battery: 998 Wh; about 848 Wh usable
Output: 2,000 W; continuous
Surge: 3,600 W; start-up peak

How we worked it out: 998 Wh × 0.85 ÷ 25 W = about 34 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

Goal Zero Yeti 1000 (6th Gen)

998 Wh · 2,000 W output · 3,600 W surge · 35.3 lb

Full specs and runtimes

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What else the Goal Zero Yeti 1000 (6th Gen) 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 34 hours above is an estimate, not a measured result.

Common questions

How long will the Goal Zero Yeti 1000 (6th Gen) run a Wi-Fi router + cable modem?: About 34 hours from a full charge. A Wi-Fi router + cable modem averages about 25 W, and the 998 Wh battery gives about 848 Wh after inverter losses. That is 2.9% of the battery an hour.
Can I run other things at the same time?: Yes, up to about 1,975 W more of the 2,000 W output. Each thing you add shares the same battery, so the 34 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), 71% of the 848 Wh the Goal Zero Yeti 1000 (6th Gen) can deliver.