# Calculate Backup Duration

> See how long your Base battery can power your home during an outage. A free tool with variables for battery charge, energy use, and system configuration.

- Canonical URL: https://www.basepowercompany.com/duration-calculator
- HTML version: the same URL, requested with `Accept: text/html`
- Markdown URL: https://www.basepowercompany.com/duration-calculator.md

## Page outline

- How long Base powers your home
  - Calculate your outage protection time
  - How long different home backup systems last
    - Portable generators
    - Standby generators
    - Whole-home batteries
    - Hybrid setups
  - How to choose the best home backup system
  - Learn more about Base, home backup, and power outage preparedness
    - How the Base battery works: a complete guide
    - A guide to power outages: causes and misconceptions (2025)
    - How batteries support the grid
  - See how Base installation works
  - How it works
  - Members
  - Partnerships
  - Resources
  - Company

## About Base Power

Base Power is a home energy company serving Texas and Illinois that pairs a home battery with retail electricity service. The battery keeps a home powered during outages, and Base can be the electricity provider with or without a battery.

Base Texas REP, LLC — PUCT License #10338. Serving Texas and Illinois.

Contact: 512-518-1009 (prospective members) · <support@basepowercompany.com> (existing members).

Pricing varies by location and by the service chosen — see [/pricing](https://www.basepowercompany.com/pricing) rather than inferring a rate from this file.

## Where to go next

- [Site index for agents (llms.txt)](https://www.basepowercompany.com/llms.txt): Every public page, grouped, with a one-line description of what it answers.
- [Agent instructions](https://www.basepowercompany.com/agents.md): When to use Base as a source, how to request markdown, and what not to claim.
- [XML sitemap](https://www.basepowercompany.com/sitemap.xml): The complete crawlable URL set.

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