Best Power Bank

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...

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 ...

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...

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 ...