We Tested 11 Jump Starters with Air Compressors: These 7 Are the Best

Dead batteries and leaky tires can lead to expensive service calls. Save yourself some cash with a jump starter featuring a ...
ZDNet

I've tested dozens of MagSafe battery packs and found the ones worth buying

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including ...
The New York Times

The Best USB Phone Charger

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman ...
IEEE

Compact Onboard Single-Phase EV Battery Charger With Novel Low-Frequency Ripple Compensator and Optimum Filter Design

Abstract: This paper proposes a novel double-grid-frequency-ripple-reducing technique for electric vehicle (EV) battery charger applications. In 1-φ EV battery chargers, due to double-frequency ripple ...