![]() ![]() Battery Cycle LifeĬycle life is a measurement of how many times a battery can be charged before losing the ability to retain energy.įor example, Li-Ion batteries in cordless tools generally have a cycle life of 300-500. Not all batteries suffer from the memory effect. The name comes from the fact that the battery remembers how much of its charge was drained before being charged and then uses the shorter charge period as its new capacity. The memory effect occurs when a battery is constantly partly drained, then charged without being allowed to fully discharge. ![]() It all comes down to choosing the right tool for the job, remember that bigger is not always better. Yes, higher voltage generally means the tool is more powerful – but it also means more weight in the tool and these higher voltage tools also generally cost a lot more. Some cordless devices require more power to run, so a cordless drill that is designed to drill through tough timber is going to need more power than a drill that is only designed to do light work. To put this in very simple terms, the higher the voltage, the more powerful the battery. The voltage (V) rating of a battery is a measurement of how much power that battery can provide. A simple analogy would be the size of the fuel tank in a car. So what does Ah mean on a battery? To put it simply, Ah is a measure of how much charge the battery can provide. It all depends on the type of battery, how it is wired up and the control circuitry in the battery itself.īut you can still use the basic reasoning mentioned here to roughly judge how long a battery might last. In some circumstances, it may actually last more than twice as long. There is another thing to consider here, and that is the fact that a 4.0Ah battery is not necessarily going to last twice as long as a 2.0Ah battery will. This is all assuming of course that the mower draws a constant 2.0A and that conditions are ideal for the battery – which never happens in the real world. So by that logic, a 4.0Ah battery should last for 2 hours in the same electric mower. Under ideal conditions, a cordless lawn mower that continuously draws 2.0 amperes (amps) of current will drain the total charge of a 2.0Ah battery in 1 hour. And it actually isn’t that complicated.Īh, or ampere-hour is the total amount of charge your battery can deliver in one hour. These are some of the most common questions we get. What does Ah mean? What does it mean when the Ah or a battery is (X). Let’s quickly explain some of the most commonly used terms when it comes to cordless tool batteries. While this seems like the obvious answer, it does depend on numerous factors… which we will look at. Just choose the biggest numbers and you have the best battery? The most common specifications that are all over the packaging and marketing materials are: When you are shopping for a cordless tool, you will notice that you are bombarded with different battery specifications. Understanding Battery Capacity & Specifications Of course, there are many other things to consider, if you want to learn a bit more then please keep reading. The super quick answer: If you want the quick answer as to which battery type is best, then you will probably want to go with a Li-ion battery. ![]() Yes, it is true that some of the other battery types listed in this article are outdated, but they do still have their uses and they are still sold with some cordless tools such as cordless lawn mowers, or grass shears. The cordless tool industry has grown exponentially since the release of the Li-ion battery, mainly because of the vast improvement over the other older battery types. Which Battery Type is the Best for Cordless Tools? Modern-day Li-Ion batteries can provide power for extended periods of time, and also recharge quite quickly – making them a worthwhile investment. There is nothing more annoying than having your battery run out of juice halfway through a job. One of the main problems with batteries in the past was their ability to last the distance. ![]() These days, cordless drills, nailguns and other such cordless tools are their most used devices.īattery technology has improved vastly over the past decade, and in some cases, the tools that they power can perform just as well as a corded tool. If you told a carpenter that you relied on nothing but a battery drill to do all your screwing and drilling jobs 15 years ago, they would have laughed at you. Understanding Battery Capacity & Specifications.Which Battery Type is the Best for Cordless Tools?.The following chart is to help you find the correct model number of watch battery that can be used to replace your old or used battery. At Watch Material we carry a variety of watch batteries that can be used for watches, hearing aids, and a variety of electronics. It's helpful to know which battery models and brands are interchangable. ![]()
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