Versions made by a couple of companies including - [Puls](https://products.pulspower.com/en/supplementary-units/dc-ups.html) - [Phoenix Contact](https://www.phoenixcontact.com/en-au/products/uninterruptible-power-supplies-ups) For KPS we are using the [Puls UB10.241](https://products.pulspower.com/en/ub10-241.html) Thought of using a USB power bank for powering a Raspberry Pi (rpi). A lot of powerbanks advertise having pass through charging, however they have an issue where they briefly drop their output as they switch between mains and battery power. Apparently the ZMI powerbanks work though. [Xiaomi ZMI QB826G](https://www.msy.com.au/product/zmi-powerpack-qb826g-25000-mah-ultra-laptop-power-bank-73862) [Tiny UPS for Tiny NAS](https://vermaden.wordpress.com/2024/01/25/tiny-ups-for-tiny-nas/) [Reddit Post](https://www.reddit.com/r/UsbCHardware/comments/p9vl8o/power_bank_with_usb_passthrough_charging_and_ups/)