Understanding watt-hours will help you survive power outages and off-grid adventures.

Unless your main workstation is a laptop, you’ve probably got a APC or similar battery backup kicking around. But have you ever thought of modifying it to make it a bit more useful? After all ...

It ships in two configurations, Backup Complete, a two-unit set with a 3 kWh total capacity that can deliver 30 to 60 hours ...