All you need to know about power bank and its safety aspects
This article gives dos and don't instructions and advices related to power bank and its usage, charging method and storage. This article provides general frequently asked questions and related matters.
Power bank or rechargeable battery charger is DC storage device which can be used to charge other smart devices which run on DC power. The list includes smartphones, tablets and many more gadgets. Power bank is a DC battery which is commonly made up of Lithium-Ion. Recently you can even find Lithium Polymer type batteries which are considered better compared to Lithium Ion type. Ultimately power bank is a portable USB charging device. Power bank is rated in terms of its storage capacity in mAh (mili Amphere hour). Higher the mAh, higher amount of DC power can be stored and more times you can charge your device. If you are planning to buy a power bank for your device, ensure following to keep in mind before selecting any power bank.How to choose a power bank?
1. By capacity of power bank
Normally smartphone battery capacity ranges from 2000 mAh to 4000 mAh. Thus, simply one should buy power bank which has more capacity than that of smartphone. But you cannot charge your phone with 2000 mAh capacity two times if you have power bank having 4000 mAh capacity. Conversion rate and health of your power bank can reduce the charging level. If you have Moto G and you want to buy a power bank which could give you three times charge cycles, you should prefer 10400 mAh capacity power bank.
Calculation is as under:
80% Health
80% Conversion rate
3 times full charging cycle
Thus, Moto G with 2070 mAh battery can be charged three times with power bank with 10400 mAh (= 3 x 2070 /(0.8 x 0.8) = 9703 mAh) 2. Brand
Always look for better brand for selecting a power bank. Have a review of brand you are selecting from friends or from genuine gadget review website. 3. Guaranty/Warranty
Before buying a new power bank, one should also look for the guaranty or warranty. This will relax you for time being. Do not buy any unknown brand without any guaranty or warranty period.
Also see: Ponte Air Wireless Power Bank AEP-5000WP: Hands-on reviewSafe and Best way to charge power bank
Few popular brands for power bank in India
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Powerbanks have become an essential tool for gadgets these days. What with the kind of activities we have been performing on our smartphones, the batteries have not been able to cope with the workload we have been forcing on them. Also battery technology has not been growing with the same pace as the smartphones.
Among the current breed of powerbanks, I would go with Xiaomi Mi powerbank 10400 mAh.