# Page Not Found

The URL `battery-levels` does not exist.

You might be looking for one of these pages:
- [Battery longevity and levels](https://ask.simplehw.eu/kb/simple-api-6-generation/device/battery-longevity-and-levels.md)
- [Battery De-passivation](https://ask.simplehw.eu/kb/next-api-7-generation/battery-de-passivation.md)
- [Battery Replacement](https://ask.simplehw.eu/kb/simple-api-6-generation/overview/device-list/battery-replacement.md)
- [HOW TO PURCHASE THE DEVICES](https://ask.simplehw.eu/kb/how-to-purchase-the-devices.md)
- [Batteries shipping](https://ask.simplehw.eu/kb/how-to-purchase-the-devices/batteries-shipping.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://ask.simplehw.eu/kb/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://ask.simplehw.eu/kb/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/kb/simple-api-6-generation/device/battery-longevity-and-levels.md`)
- Use `Accept: text/markdown` header for content negotiation