Intro to Lithium-ion Lithium-ion batteries were invented in 1980 by John Goodenough; they were commercialized in 1991 by Sony. In the past decade, lithium-ion batteries have become the dominant rechargeable battery chemistry in nearly all industries. Lithium-ion, in comparison to previous popular chemistries, (Lead acid, Nickel-Cadmium, and Alkaline) is better in many ways. With the … Read more
Review: Anker 521 Magnetic Battery The Anker 521 magnetic battery was one of the first power banks to support the new MagSafe feature of the iPhone. It enables you to magnetically attach the power bank to the back of your MagSafe compatible iPhone and charge it wirelessly on the go without cables. Fittingly, Anker originally … Read more
Battery maintainer Many DiYers confuse the function of a battery maintainer with a trickle charger. A trickle charger provides a constant low charge rate to a battery, but it’s not Smart enough to shut off when the battery is fully charged. So it continues charging a fully charged battery, causing permanent damage. A battery maintainer, … Read more
Battery 45Wh original suitable for HP ProBook 440 G7 We keep receiving inquiries regarding several performance data in mAh on the supplied batteries. Which performance value is relevant for the notebook owner for the runtime in battery mode? Why are notebook batteries often a few years old when you buy them? If original notebook batteries … Read more
Review: Ring’s iPhone-connected Spotlight Cam Solar falters without a paid subscription Ring’s Spotlight Cam Solar kit is a decent option for outdoor security.- but hard to recommend to most people unless you can check very specific boxes. There’s been a growing push to bring smarthome accessories outdoors in the past year or two, which should … Read more
Samsung ATIV Book 9 Plus Review Samsung is perfectly capable of designing captivating products—just look at some of the TVs we’ve reviewed. Even the last Samsung laptop we tested, the ATIV Tab 7, had its moments. But the company’s ATIV Book 9 Plus (MSRP 450,399) is a real treat. Recommendations are independently chosen by Reviewed’s … Read more
NEMA 6-50 vs 14-50 – Which One is Right for You? Are you unsure about which EV charger plug outlet is the perfect match for your electric vehicle? Do you want to understand the differences between NEMA 6-50 vs 14-50 plugs? You’ve come to the right place! In this article, we will provide you with … Read more
EV Charger Types EV chargers are classified into three categories: Level 1, Level 2 and direct current (DC) fast chargers. EV chargers are classified into three categories: Level 1, Level 2 and direct current (DC) fast chargers. Important differences include: Input voltage. This is how much power a charger requires to operate and is expressed … Read more
Ed Hicks Imports Enter your registered email address to request a password reset link. You’re now logged in as and will receive alerts when price changes, new offers become available or a vehicle is sold. Access your saved cars on any device. Receive Price Alert emails when price changes, new offers become available or a … Read more
UPS Systems Explained UPS Systems are devices providing continuity of power in the event of a power grid anomaly. They can also provide other degrees of power protection. The levels of power protection obtained depend on the technology utilised. There are 3 UPS System technologies and these are offline, line interactive and online double conversion. … Read more