Understanding the energy density of your car battery isn’t just about making it last longer.
If you travel regularly, replacing multiple chargers with one unit that can do double or triple duty makes sense, even more so if it has a foldable wall plug.
Proper care of the devices you use often can result in them lasting longer than usual.
Double-conversion systems are the pinnacle of UPS aspirations, turning incoming AC power to DC battery-stored energy and then converting it back to AC for connected devices.
At a time when the “new normal” forces many to work and study from home, it’s important to keep our most important current assets safe.
Above: The La Crosse Technology BC1000 allow cell by cell management of the recharging process for AA and AAA batteries….
Above: APC’s BR700G UPS, charged and ready for duty. Photo by Mark Lyndersay. An uninterruptible power supply (UPS) has been…
