How To Calculate Watt Hours of a Lithium Battery

November 25, 2022 7:38 pm Published by Leave your thoughts

Lithium batteries are in more things than you might imagine. Tons of different electronics use lithium ion batteries to power them. Knowing how to figure out the watt hours of a lithium battery can help you determine what type of battery will work best for you.

How To Calculate Watt Hours of a Battery

Watt-hours is essentially the capacity of the battery and how long it will power whatever it is that you are using. To calculate the watt hours of a battery, you need to multiply the number of amps by the voltage of the battery. A great way to understand this is to look at an example. You can find lithium battery watt hour calculator apps online.

Say you have a battery that is marked 12V100. This means you have a 12 amp battery with a 100Ah or voltage capacity. You would multiply 12 by 100 to get a total of 1200 Wh. This means that if the item you are powering only draws one watt per hour, you will get 1200 hours out of that particular battery.

A cell phone, for example, can use anywhere from 0.6 watts to 3 watts per hour if it is in use. This is, of course, with minimal use. The lifespan of a lithium battery that you might use in a cell phone has a life cycle of about 300 to 500 charges before it stops being able to hold its charge. Most lithium batteries are rechargeable which means that you can charge them each time they run down. This also means they do end up wearing down after so many charges.

How To Prolong the Life of Your Lithium Battery

There are some ways that you can help to prolong the life of your battery. First, you should not use items while they are charging. If you have a laptop, for instance, you should charge it without using it and without having it turned on. You should let your laptop run all the way down before you charge it, and you should take the time to let the laptop charge fully without using it.

It is important to note that when you use an electronic and leave it plugged in all the time, it can become cord-dependent, which means that it will not hold a charge. You should also avoid exposing your battery to extreme heat and cold, charge it fully when it dies, and unplug it as soon as it is charged.

These tips will help you get the most out of your battery and get a battery that is actually going to last.

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