Battery Widget Tool is a good battery widget for android. It can tell you more information of your battery.
As its name, when you have installed this app, you need to add a widget on the screen of your mobile phone. Then a small green robot icon appears on the screen. The robot use the form of percentage to tell you how much electricity is left in the battery. I can say an example, if there is only one quarter of electricity left; a 25% appears on the robot. Want to know more information about your battery? Then you only click the robot icon, the detailed information of your battery will be shown to you in a list, including the health, status and so on.
Battery Widget Tool is a simple and easy android battery widget. Of course, there are a great number of battery widget apps and apk file on the internet. I recommend this one to you, only because it is really good. I am pleased to share it with you.
Sometimes, you want to make an urgent call, the battery icon shows you that there still has left electricity in your battery, but when you are having a call, your mobile phone dies for lack electricity. If you know the accurate information, then you can charge the battery in advance, the terrible case will not happen again.
Now that you have known that this is a good and useful battery widget for android, download it as soon as possible.
Although early batteries had great value for experimental purposes, in practice their voltages fluctuated and they could not aupply a large current for a sustained period. Later, beginning with the Daniell cell in the year of 1836, batteries offered more reliable currents and were adopted by industry for use in stationary devices, in particular in telegraph networks where they were the just practical source of electricity, for electrical distribution networks did not exist at the time. These wet cells adopted liquid electrolytes, which were prone to leakage and spillage if not handled correctly. Lots of used glass jars to hold their components, which let them fragile. These characteristics let wet cells unsuitable for portable appliances. Near the end of the nineteenth century, the invention of dry cell batteries, which instead of the liquid electrolyte with a paste, made portable electrical devices practical.
Since then, batteries have obtained popularity as they became portable and useful for different purposes.
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