This model is essentially a step down from our top pic, CyberPower's CP1500PFCLCD. That one is a 1500VA (900W) model, whereas the one on sale is a 1325VA (810W) unit.

CyberPower 450 VA Back-Up System When you start looking for power supplies and outlets, more often than not you will discover a CyberPower battery backup in the mix.

Cyberpower’s PFC Sinewave CP1000PFCLCD UPS sports 10 outlets (five of which feature battery backup), but they’re closely spaced and won’t accommodate very many large wall warts.

Noticing the battery bay in a cheap Cyberpower 350VA battery backup was just about the same size as the Raspberry Pi, he decided to convert it into a covert penetration testing device.