POHB Fast Charge Portable Power Banks With 4 Charging Cables 20000mahblack C21

POHB brand high-quality products-multiple security protection
There is no electricity inside the mobile power supply. Please charge for 12 hours after purchase! Please charge before use. Please charge before use. Please charge before use. Because of long-distance transportation, it is normal for products to arrive in the local area without electricity. Please charge before use!
Orders can be delivered to your door, and the whole logistics process can be tracked! Delivery on the same day as the order is placed, and the products will be delivered to you immediately! The platform supports return, please look for the POHB brand when purchasing!
20000 mAh large capacity, which supports you to use more equipment at the same time. Please look for the brand of POHB professional as a large capacity power banks. We make products carefully and meticulously, and the products will be checked before delivery to ensure that the products have no quality problems and delivered to your hands! Please feel free to use it and wish you a happy life!
Dual 5V/2.1A I/O multiple USB, support PD,type-c fast charging output, and can charge mobile phones, PADs or other small electronic devices at the same time.
The charging speed is increased by more than 92%, and the charging time can be saved by more than 50%.Use intelligent frequency division technology for intelligent charging without damaging your machine.
Current required for adaptive equipment.1. technical tips of power pack battery:
All the power supply groups use rechargeable batteries based on lithium technology. And lithium ion polymer batteries are most commonly used in power packs. Battery technology is the key to many new developments: everything from mobile phones to electric cars, so it is very likely that some derivatives will become power banks.The two currently used technologies have slightly different properties:Li-ion: Li-ion batteries have higher energy density, that is, they can store more charges in a given size or volume, and the manufacturing cost is lower, but there are still aging problems;Lithium polymer: Lithium polymer power pack will not suffer from the same degree of aging problem, which is a better choice. And it provides you with high-speed charging enjoyment. The disadvantage is that their manufacturing cost is higher, so they may not meet the budget.2. Why did you choose the power banks?Smartphones are loaded with a large number of mobile applications, and fast operation is supported by efficient processors. These high-performance mobile devices consume a lot of energy provided by batteries, so reliable mobile accessories are needed to charge the batteries in order to enjoy various functions available on them.