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 ...

They don’t work for everything, and there’s the recharging time to take into account. But they let me cross “buy batteries” ...

Abstract: This paper presents the functionality of a commercialized fast charger for a lithium-ion electric vehicle propulsion battery. The device is intended to operate in a battery switch station, ...

Shine a light on the road ahead while you run. Here are the best head torches for all budgets, including petzl head torches, rechargable head torches and more.

In this comprehensive tutorial, you'll learn how to make a battery charger from scratch! Whether you're a DIY enthusiast or a curious beginner, this step-by-step guide will walk you through the entire ...

Not everything here was built initially with a baby in mind, but you and your little one are going to reap the benefits, that's for sure. View Entire Post › ...

Hurricane season is underway, and three experts share the 10 essentials you should always have ready. Learn more about these ...

Technically, Energizer didn’t build this laptop, French-based Avenir Telecom does (as a licensee). The premise of Energizer EnergyBook Pro Ultra laptop is straightforward: massive batteries. It’s got ...