- #RADIO SHACK BATTERY CHARGER WHEN IT FIRST CAME OUT PROFESSIONAL#
- #RADIO SHACK BATTERY CHARGER WHEN IT FIRST CAME OUT SERIES#
In a return to familiar naming conventions, this became not-so-eloquently known as the voltaic pile, and many historians consider it the first real chemical battery.
#RADIO SHACK BATTERY CHARGER WHEN IT FIRST CAME OUT SERIES#
In the year 1800, he stacked up a series of zinc and copper discs, separating each with a layer of saltwater-soaked cardboard.
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Volta called this the theory of contact tension, and it is also absolutely incorrect.Īlthough Volta's reasoning was off, his results told a different story. Obviously, he claimed, this phenomenon came simply from two different types of metal (Galvani's scalpel and working clamps) coming into contact via a moist intermediary (Galvani's unfortunate, amphibious test subject). Luckily, his friend and colleague, Alessandro Volta, was there to set him straight. Of course, when Luigi Galvani first manipulated electricity by means of a dead frog, he didn't know any of that - he attributed the spark to the dubious and since-disproven concept of animal electricity. A chemical battery acts much the same, except it uses electrons in place of a round ball, and an electrolyte solution instead of a hill. That ball contains a certain amount of potential energy, which we can calclulate based on the grade and height of the incline. While they may seem complicated or even magical, batteries are just another way to store energy, not unlike a ball resting at the top of a hill. Breaking from the era's apparent tradition of naming everything after oneself, he called his contraption a battery, because, like a naval battery, it consisted of many parts working together as one unit. In the mid-1700s, US founding father Benjamin Franklin combined layers of glass and metal to form a set of capacitors that enabled his earliest experiments. The Xtar VC4 and Ansmann Powerline 4 Light are both reasonably priced, relatively affordable, and provide more information about what's going on than the simplest options do. Similarly, the Superex RPC-C20BK Smart Universal includes a 12-volt adapter perfect for use in vehicles. The EBL 6201 is useful for travelers because you can plug it into a power bank if you don't have access to a wall outlet. The Panasonic Eneloop BQ-CC55 comes out on top in the speed category but it doesn't have much in the way of readouts and doesn't let you control charging rates. There are a few more relatively simple yet quite reliable options, though they're also limited to AA and AAA batteries. The smaller one can accommodate 4 cylindrical batteries or two 9-volts at once, while the larger one can handle 12 AA or AAs, or 6 Cs or Ds (or other wide cells), in addition to its dual dedicated 9-volt slots. If you use a lot of 9-volt batteries, though, your best bet will be either the Ansmann Energy 4 or Ansmann Energy 16 Plus. The La Crosse Technology BC1000 Alpha, Powerex WizardOne, and Opus BT C3100 are all quite technologically advanced, offering charge and discharge modes which can be customized to relatively specific amperage levels, helping to extend the life of your cells. There are plenty of chargers to choose from, and they vary a surprising amount in their functionality and reliability. Nickel metal hydride is one of the most popular types of rechargeable battery because of its capacity, moderate heat output, and minimal memory. You'll have to supply your own for both, and it will have to have a 2-amp output.Īlso please keep in mind that none of these are explicitly designed by the manufacturer to charge lithium-ion phosphate batteries or "rechargeable alkaline" batteries.
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The EBL C9008 and EBL 6201, meanwhile, are highly affordable and designed for portability, although they don't come with power adapters. That includes the Ansmann Energy 4 and Ansmann Energy 16 Plus, both of which even offer the ability to charge 9-volt batteries, and the Panasonic Eneloop BQ-CC55, which works quickly and reliable and is especially easy to use.
#RADIO SHACK BATTERY CHARGER WHEN IT FIRST CAME OUT PROFESSIONAL#
All three of these have been known to be used by professional electricians, and all of our selections are made with premium circuitry. For example, our top choice, the Opus BT C3100, is one of the few that's also designed for lithium-ion batteries, and it as well as the La Crosse Technology BC1000 Alpha and Powerex MH-C9000PRO offer advanced features like refresh modes to ensure batteries don't develop a memory. While there hasn't been a whole lot of technological advancement around common battery formats in the last few years, it's always important to have a safe and effective charger, and in many cases, a full-featured one can make a big difference.