UPS
The CyberPower DBH361D12V2: An UPS That Goes Old-School
Normally, when I cover the topic of uninterruptible power supplies (UPSs), I’m talking about devices containing rechargeable battery packs based on either sealed lead-acid (SLA) or one of several newer lithium-based charge storage technology alternatives. But what if the backup-power unit’s batteries aren’t rechargeable…and are lowly alkaline D cells (aka, IEC 420s)? Normally, I’d probably…
UPS resurrection: Thriftiness strikes again
By the time you read this, sometime in May, Lent will be over. As I’m writing it in late March, Lent’s ~half over. I’m splitting the difference and going with an Easter theme for this piece. Back in February 2012, I bought a CyberPower CP825AVRG, one of several UPSs (uninterruptable power supplies) currently inhabiting my…