Last updated August 30, 2026
Terms of Use
By using this website, you agree to these terms.
Estimates and assumptions
Calculator results are estimates based on your inputs and the documented assumptions shown with each tool. Actual battery capacity, current draw, weather, equipment condition, installation, and operating conditions can differ. Verify important decisions against manufacturer documentation and qualified professional guidance.
Informational use
Tools and content are for general planning and informational purposes. They are not electrical installation instructions, safety certification, or professional engineering advice.
No warranties
The website is provided “as is” without warranties of any kind to the extent permitted by law. We do not guarantee that every result will be complete or appropriate for a particular boat, battery, or motor.
Limitation of liability
To the extent permitted by law, the site owner is not liable for losses arising from use of, or reliance on, this website.
Acceptable use
Do not attempt to disrupt, overload, reverse engineer, or misuse this website. These terms may be updated as the site evolves.