Off-grid power sizer
Build a power system that keeps Starlink online.
Turn the terminal model, daily runtime, battery chemistry and local sun into a practical battery, solar and conversion plan.
Official terminal power ranges AC and direct-DC paths Editable safety margin
01 / Terminal
Choose the load you need to support
Operating profileSelected planning load: 88W
02 / Storage
Set the battery bank
03 / Conversion & solar
Describe how the system is powered
Solar chargingInclude panels and an MPPT controller
Complete bill of system
What the estimate is preparing you to buy
For Standard 4 / 4X running 12 hours per day, this design supplies about 1,160Wh daily and preserves 20% reserve across 2 days.
Engineering logic
How the Starlink off-grid power calculation works
Daily energy
Operating watts are multiplied by active hours. The chosen AC or DC path then adds its expected conversion losses.
Battery bank
Daily system energy is multiplied by autonomy and reserve, then divided by the usable depth of discharge for the selected chemistry.
Solar recovery
Panels are sized from daily system energy, peak-sun hours, system yield and an additional recovery margin, then rounded up to a practical increment.
Electrical hardware
Inverter capacity follows the model peak with headroom. MPPT current follows the rounded array wattage and selected bank voltage.
Power input reference
The model ranges shown above come from Official Starlink power specifications dated 2026-08-13. Actual draw varies with utilization, temperature, location and terminal generation.
Open official source 2026-08-13.official-power-1Related tools
Complete the installation decision
FAQ
Starlink off-grid power questions
It converts the selected terminal load and operating hours into daily energy, then adds conversion losses, autonomy days, reserve margin and the usable depth of discharge for the chosen battery chemistry.