hardware

Nizi Power: a Router UPS

Nizi Power is a Yarsa Tech product that acts as a UPS for singular router instances.

The finished Router UPS circuit board, with its DC jacks and inductors

Product overview

A specialized UPS designed specifically for home and small office routers, ensuring continuous internet connectivity during power outages.

Features

  • Compact design
  • Long backup time
  • Smart charging system
  • Status indicators
  • Surge protection
  • Auto shutdown protection

Technical specifications

  • Input: 100–240 V AC
  • Output: 12 V DC
  • Battery: Li-ion
  • Backup time: 4–6 hours
  • Charging time: 2–3 hours
  • Protection: over-voltage, over-current, short circuit

Prototypes

An early prototype: a hand-soldered board wired to an 18650 cell on the benchA later prototype board
A prototype board with a single-cell battery holderA row of finished units on the bench beside a multimeter and a glue gun
From the first hand-wired prototype to units on the test bench.