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Starlink Backup Power Calculator
Calculate battery backup requirements for Starlink satellite internet systems during power outages.
Calculate precise backup power requirements for your Starlink internet system during power outages. Essential for maintaining internet connectivity by properly sizing batteries and power systems for different Starlink models. Perfect for remote workers, rural residents, and anyone needing reliable satellite internet backup.
Key Features
- Support for all Starlink models (Standard, Mini, High Performance)
- Temperature-adjusted power calculations
- Customizable usage patterns and backup durations
- Battery capacity recommendations for 12V and 24V systems
- DC power supply compatibility check
- Detailed power requirement breakdown
- Safety margin calculations
- Battery type recommendations based on duration
Starlink Model
Standard models support direct DC power input with the optional DC-DC Power Supply, which can improve efficiency when running from batteries.
Starlink Standard Actuated
Power: 50-75W active, 20W idle
Starlink Standard & Enterprise
Power: 75-100W active, 20W idle
Starlink Mini
Power: 20-40W active, 15W idle
High Performance & Flat High Performance
Power: 110-150W active, 45W idle
Operating Temperature
Cold temperatures increase power usage for heating (up to +35% below -20°C), while hot temperatures increase cooling needs (up to +25% above 45°C). Extreme temperatures also reduce battery efficiency by 5%.
Usage Pattern
Active usage consumes significantly more power than idle. Choose a pattern that matches your needs during an outage.
Light Use
Basic internet browsing, email, occasional video (4 hours active)
Medium Use
Regular streaming, work from home (8 hours active)
Heavy Use
Continuous streaming, gaming, remote work (12 hours active)
Critical / Business
Always-on operation, business critical (24 hours active)
8 hours (Short outage)
8 hours of backup power
24 hours (Full day)
24 hours of backup power
48 hours (Extended outage)
2 days of backup power
72 hours (Emergency backup)
3 days of backup power
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