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目前显示的是 七月, 2016的博文

How to make a power bank with used laptop battery?

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In this tutorial I will show you, how to harvest the 18650 battery from any of the old laptop battery pack you might have. Most of the time, laptop battery packs go bad when just one or few cells in the pack are dead. The protection circuit in the charging board cuts out the entire pack as a necessary protective measure for the user. There are still a few good cells though.At last I will show you how you can make a power bank by reusing these salvaged batteries.




Disclaimer: Please note that you are taking apart battery packs in this tutorial which is expressly discouraged by the manufacturer as this is potentially a very hazardous process. I cannot be held responsible for any loss of property, damage, or loss of life if it comes to that. This tutorial was written for those who have knowledge on rechargeable lithium ion technology.Please do not attempt this if you are novice. Stay Safe.
Old Laptop Battery: If you do not have,you can ask to your friend or relatives. You can also find it …

How does the Power Bank work?

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Power banks are devices that are used to charge mobile phones, tablets, laptops, mp3 players and mp4 players anytime and anywhere. With the use we subject are devices to, it is important to have a power bank to be able to keep these devices up and running all the time. Power banks can give you uninterrupted access to play games on your laptops, instant message on the internet, use social networking platforms and book airline, train and bus tickets at the drop of a hat. There are certain specifications that you ought to keep in mind before laying your hands on the ideal power bank for your need. Grab a power bank that is double in battery capacity to be able to charge your mobile phone, tablet, laptop, mp3 player and mp4 player at least once. Today I will introduce you How Does a Power bank Work? To understand things a bit better, let’s take a look at a block diagram of how these devices work, after that we will see some of the major and minor components of it. Major components: Moving …

How to know Power Bank is Fully Charged or Not?

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Power bank is so important to us as we are living in a world of mobile electronics. It allows us to move freely and charge our devices anywhere. There’s no doubt that we need to charge our power bank when energy is running out. However, not only said by the supplier but also declared on the manual brochure clearly — don’t overcharge your power bank. Negative effects of overcharging your power bank: 1.Possibly shorten the lifespan of your power bank. Overcharging will cause overheating, at an average temperature of 32 degrees fahrenheit, for example, a lithium-ion battery will lose six percent of its maximum capacity per year. At 77 degrees, that number jumps to 20 percent, and at 104 degrees it’s a whopping 35. 2.If the power bank is not under power protection which ensures that the battery stops charging once it has reached full capacity, overcharging will be extremely dangerous, it might explode in a very bad way. Most of power bank are designed to entail: power protection, short cir…

Top 5 best waterproof power banks 2016

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No matter either water or smartphone, we all can’t live without them. While taking to power up your smartphone till the last drop of water, we have portable power bank; and furthermore, we have portable waterproof power bank with a certified water-resistant rating. These rough but tough power banks are not only built to take a beating, but also packing up additional power to your smartphone or tablet when there’s no outlet nearby. What a joke is that not all people could buy a waterproof Galaxy Edge S7 without hesitation, while any of you could have an affordable waterproof power bank at any moment. Dive in as we’ve rounded up the best waterproof power banks for your summer accessories packing list.

Best Power Bank for VR

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In the last article we introduced how to choose a power bank for your VR. So here we would like to list a couple of power banks which charges your VR best. All power banks below supply at least 2.0A of current at 5V. And also do that across the entire charge of the battery. AUKEY 10400mAh Portable Power Bank with QC 2.0 Aucky’s 10400mAh power bank is made by premium material and Sony cells, therefore equips with superior quality and supports 1000 using times. Over-current, overcharging and overheating are protected from due to the multiple built-in safeguards. In addition, with the Quick Charge 2.0 technology, this power bank charges devices up to 75% faster than standard chargers.

Best Power banks for iPhone 5se

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Xiaomi Mi 10,400mAh Power Bank — aluminum casing with battery cell technologies from LG and Samsung; — around 5 times while charging up iPhone 5se; $13.99 OnePlus 10,000mAh Power Bank — sleek lines, gentle curves, battery LED indicators; — LiPo battery cell for iPhone 5se to be refilled of power for 4 times; $14.99