A Starlink Mini power bank setup is the simplest way to take satellite internet camping, overlanding or through a power outage. But not every power bank will start the dish, and runtime depends on more than capacity. Here is how many watts Starlink Mini really uses, what the USB-C port and cable must deliver, and how many hours you get from common batteries.
How many watts does Starlink Mini use?
| State | Power draw |
|---|---|
| Idle, no traffic | about 15 W |
| Browsing, messaging | 20-25 W |
| Video calls, streaming | 30-40 W |
| Boot and satellite search (1-3 min) | 40-60 W |
| Snow melt in cold weather | 50-70 W |
Plan on 25-30 W averaged over a day of mixed use. The larger Starlink Standard (Gen 3) averages 75-100 W and only runs from AC, so it needs a power station, not a power bank.
What a power bank needs to run Starlink Mini
- A USB-C Power Delivery port rated 100 W (20 V / 5 A). Starlink recommends a 100 W source. Weaker 45-65 W ports may boot the dish and then reset it under peak load.
- A USB-C cable rated for 5 A (100 W). An ordinary 3 A cable caps the link at 60 W no matter how good the power bank is.
- Enough capacity. Under 20,000 mAh you get less than two hours.
Starlink Mini also accepts 12-48 V DC on its barrel input, so a 12 V vehicle socket or a LiFePO4 battery works with the right cable.
Starlink Mini runtime by battery size
Runtime at an average 30 W, DC or USB-C output:
| Battery | Energy | Runtime |
|---|---|---|
| 20,000 mAh power bank | 74 Wh | about 2 h |
| 26,800 mAh power bank (flight-legal) | 99 Wh | about 2.5-3 h |
| 40,000 mAh power bank | 148 Wh | about 4 h |
| 300 Wh power station | 300 Wh | about 8 h |
| 1,000 Wh power station | 1,000 Wh | about 27 h |
| 12 V 100 Ah LiFePO4 | 1,280 Wh | about 34 h |
Through an AC outlet with the stock adapter, expect 20-30% less because of inverter losses.
Calculate your own setup
Tick Starlink plus anything else you run, then enter your battery capacity:
How to make the battery last longer
- Set a sleep schedule in the Starlink app for the hours you do not need internet.
- Turn snow melt off unless it is actually snowing. It is the biggest power hog in winter.
- Power the Mini from USB-C or 12 V directly instead of an AC outlet.
- Give the dish a clear view of the sky. Obstructions make it search longer and draw more.
Need a long-range backup when there is no internet at all? See the Meshtastic range calculator. For whole-home numbers use the power station runtime calculator.
Sizing a power station?
Add your fridge, CPAP, router and Starlink and see how many hours any battery will last.
Open the runtime calculatorFAQ
Can a 65 W power bank run Starlink Mini?
Sometimes. It may boot and work in mild weather, but peak draw during startup or snow melt can trigger resets. A 100 W USB-C PD port is the reliable choice.
How long will Starlink Mini run on a 1000 Wh power station?
About 25-30 hours from a DC or USB-C port at a 30 W average, or roughly 20-22 hours through the AC outlet.
Can I run Starlink Mini from a car?
Yes. Use a 100 W USB-C PD car charger or a 12 V to barrel cable. Run the engine periodically or use a separate battery, since 30 W around the clock will drain a starter battery in a day or two.
Sources: Starlink Mini power supply (Starlink support), Starlink specifications and Outcamp: Starlink Mini power consumption.