> For the complete documentation index, see [llms.txt](https://manuals.syride.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manuals.syride.com/alti-v3-english-manual/iii.-recharging-the-battery.md).

# III.	Recharging the battery

1. Simply connect your instrument’s USB to a computer.

<figure><img src="/files/GCpvf5VpdV6dpEnNdgKR" alt=""><figcaption></figcaption></figure>

2. Your instrument will display “Charging…” and the percentage of charge. To complete, a charge requires 2 hours.

<figure><img src="/files/bjmRCi2lmp38VPC65pme" alt=""><figcaption></figcaption></figure>

3. Disconnect USB to stop the charge. Your instrument has a Li-ion battery which has no memory effect.

4. When your instrument will start, the battery icon needs 10 seconds to be stable.

<figure><img src="/files/HiTyqValX8BG4cxEp483" alt=""><figcaption></figcaption></figure>