Today, portable source becomes an indispensable part of our mobile phone accessories, in our life and journey it plays an extremely important role.
1. Pay attention to manufacturers of portable source. A formal charging treasure manufacturer company has all types of CE, ISO9001, its certifications are complete. Illegal factories use mobile power battery in the old 18650 crudely sold in Taobao. Therefore, before the purchase must view the manufacturer whether the authentication is complete.
2.There are two kinds of portable source, such as lithium battery, another one uses polymer battery. Compared with the Li-ion Rechargeable Battery Cell, the Lipolymer Battery electric core has the characteristics of light weight, small volume, safety and high efficiency.
3. Capacity involves flying restrictions, in the general specifications of 5V, as far as possible to choose 20000mAh, please be sure to ensure that labels are clear.
4. Try to select a step-up IC protection.
