---
date: 2024-10-08T10:48:06+00:00
modified: 2024-10-08T10:48:06+00:00
permalink: https://kaspars.net/note/mastodon-social-113272113465674266
post_type: note
author:
  name: Kaspars
  avatar: https://reverse.kaspars.net/gravatar/avatar/92bfcd3a8c3a21a033a6484d32c25a40b113ec6891f674336081513d5c98ef76?s=96&d=mm&r=g
---

# On October 8, 2024 at 13:48

For a weekend project I built a 12V UPS that can power 35W for around 2h. There is a boost converter in line that brings it up to 48V for PoE cameras and other devices while the NVR and the mini PC sip 12V directly.