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目前显示的是标签为“power bank”的博文

Introduction of Power Bank Part 2

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Basic knowledge of power bank What is Power Bank? Power bank serve as an extra battery' or external charger for your phone or other electronic devices. It is a portable power source built of rechargeable battery, packed in a small case that can be carried in a handbag or purse. It has at least one input for charging and another recharging port that can be connected to a standard USB cable that can recharge portable electronic devices like smartphones, media players and tablet PCs. Most of the newest power-bank models, arrive with built-in Lithium polymer battery, which known by high efficiency and long lifetime. The capacity of power packs is measured by mAh and can reach 20,000 to 30,000mAh.   Why do we need portable power source? Well... the answer is that, the need of an accessible power source is vital for our daily survival. The average adult carries with him at least two electronic devices like smartphone, digital camera, MP3, laptop and tablet PC. And the tru...

Introduction of Power Bank Part 1

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Basic knowledge of power bank  What is mAh? mAh means milli Ampere Hour, the capacity of the power bank is measure with mAh. Where is power bank made from? Majority of the power banks in the market are actually made in China. How do I charge the power bank? You can charge your power bank via the charger that came with your phone, computer USB port or using other power bank. How long do I need to charge the power bank? It's depending on the REAL CAPACITY of the power bank. The larger REAL CAPACITY, the longer charging time may required. Different charging methods may result different charging time as well. Charging with the original charger will be faster than charging with computer USB port. Why sometime I need longer time to charge the same power bank? Even though using the same charging method, the charging time may be differ due to environment,temperature, power flow and etc. A 12000 mAh REAL CAPACITY power bank, able to charge a 1500mAh capacity phone for 8 ...

Difference Between Water-proof And Water-resistant ?

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This is Allen He . I have written : Difference Between Water-proof And Water-resistant by Allen He on Travel More and more devices become water-resistant or water-proof, users have an important question: What is the difference between water-resistance and waterproof? Users just want to figure out how their devices can stand with water. Firstly, here are definitions from Oxford English Dictionary : Water-proof means impervious to water. Water-resistant means able to resist the penetration of water to some degree but not entirely Comparing to water-proof, water-resistant is the lower level of water protection. Some water-resistant devices always have some special design to fight with water and make it difficult for water to enter. This is always use in devices like watches to help them survive from hand washing or raining. The first number after letters “IP” shows it solid protect, which is measured form 0 to 6, while the second number is the degree of protection agains...

Best Wireless Charging Devices For Frequent Traveler

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I travel a lot, I used to worry about making my phone’s power last the whole day. I’d always bring my charging cable, but most of the time, I’d have trouble finding a power outlet to plug it in. Thankfully, I’ve discovered wireless charging during my stay at the Marriott , so now I have a more convenient option for charging my phone on the go. Since then, I’ve become interested in wireless charging and tested various chargers on my travels to see which one would work best. Here are my top three picks for the best wireless charging devices for the frequent traveler: QiStone+ Wireless Portable Charger Photo from Fonesalesman Lightweight and portable, the QiStone+ earns points for being one of the most stylish wireless chargers I’ve ever seen. It looks like a stone with the grains in all the right places. Weighing only 4.76 oz, the charger doesn’t feel like its adding much weight to my carry-on bag. Its rounded edges give a good grip, too. The QiStone+ also comes ...

3 Best Solar Charger For Your Laptop

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ALLEN HE Solar power  is a clean and renewable energy, which could be transferred by solar charger to enable people use it to power a phone or small device when in an emergency or off the grid. So get more tips on choosing the  best solar charger   for Laptop will be helpful. There are some lists of the best portable solar laptop chargers but since I writing I find more solar kits have come to the market. Here are some solar chargers for laptop hope you will find the one you like. 1.RAVPower Solar Charger With Triple Ports High Efficiency up to 21.5%-23.5% is highlighted in the description, but what’s more attractive, the solar charger is designed with triple USB ports to afford power to more devices at the same time. Sometimes, more is better, right? I recommend the RAVPower solar charger with triple USB ports as the most delicate solar charger for laptop in UK. Price: £52.99 Watts: 24W 2. Anker PowerPort Solar Lite As the best seller of power b...

Why Your Power Banks Explode?

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You may fell shocked about the sudden explode brought by power banks, so why power banks explode?Generally speaking, power bank would not explode in normal. But when it is exposure to the high temperature or wrong circuit, it may cause an explosion. Today, I hereby present the reasons of why power banks explode. 1: Low Battery Quality Power bank’s batteries are not only the most expensive part but also the major component. Most of the Power banks you see on the market are made from Lithium-ion or Lithium-Polymer batteries. However, many small brands use counterfeit/recycled batteries in their power banks or use the Lithium- ion batteries. While this enables them to supply power banks at a very low price, which carry severe safety risk. 2: Wrong Circuit Also, the internal circuit design of a power bank is another cause of the explosion. So, for a power bank, what circuit design should be contained? Power Protection:  Power Protection is necessary for a well-m...

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 relat...

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 component...

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. APOW Dual USB 10000mAh Portable Power Bank Forget about the old-style power bank.You deserve this New Fashion Design with the same metal technology as iphone6s. Smart and fast charging with 2A & 1A Stable charging port.Add almost 4 charges to an iPhone 6 or 5s, or two full charge...