POHB Fast Charge Portable Power Banks Detachable And Removable Data Cable Mobile Phone Holder Included - 20000mah C21 - Black

High quality POHB brand products - multiple safetyThere is no more electricity in the mobile power supply. Please charge for 12 hours after purchase! Please charge before using. Please charge before using. Please charge before using. Due to long-distance transportation, it is normal for the product to arrive in the area without electricity. Please charge before using!Orders can be delivered to the door, logistics can be tracked throughout the process! Shipped on the day of order, the product will be delivered to you immediately! The platform supports returns, please confirm the POHB brand when purchasing!20000 mAh large capacity to allow you to use more equipment at the same time. Please identify POHB professional brand as a high capacity  We make products carefully meticulous, the products will be inspected before shipping to ensure that there are no product quality problems, you send them! Please rest assured to use it, I wish you a happy life!Dual USB 5v/2.1a multiple I/O ports support PD, Type-C express load output and can simultaneously charge a cell phone, notebook or other small electronic devices.Over 92% increase in loading speed and over 50% saving in loading time.Use intelligent frequency distribution technology to perform intelligent charging without damaging your computer.Current required by adaptive equipment.Technical note for generator set batteries:All power supplies use rechargeable lithium batteries. Lithium-ion polymer batteries are typically used in power supplies. Battery technology is the key to many recent developments: from mobile telephony to electric cars, so it is very likely that some derivative products will become electricity banks.The two techniques currently used have slightly different properties:Lithium-ion: Lithium-ion batteries have a higher energy density, meaning they can store more charges in a given size or volume, helping to reduce battery costs. manufacturing, but they are still aging;Lithium Polymer: Lithium polymer power supplies do not show the same degree of aging and are a better option. And provide you with high speed charging to enjoy. The downside is that their manufacturing costs are high and therefore may not meet the budget.2. Why did you choose electricity bank?The smartphone loads a large number of mobile applications and works quickly thanks to an efficient processor. These high-performance mobile devices consume a large portion of battery power and therefore need reliable mobile accessories to charge the battery to take full advantage of them.