SPECIFICATIONS

Battery Capacity(mAh): ≥8000mah

Brand Name: NoEnName_Null

Certification: CE

Compatible Brand: Apple iPhones

Function: Power Case

High-concerned chemical: None

Material: Plastic

Origin: Mainland China

Description

20000mAh battery Charger Case For iPhone 11 12 13 14 Pro Max XR XS Max 13 Mini Portable Power Bank Charging Cover batterie externe

How to use: 1.Turn on:Click the switch for 3 seconds to start charging. 2.Shut down:Click the switch for 3 seconds off charging

CHARACTERISTICS: 1. Attractive and exquisite, easy to carry. 2. This product is designed as protective backup battery case, which can protect your cell phone well. 3. It is suitable for stand by power supplies to travel, tourism, long distance car business and ships, field work or power outages environments.

NOTE: 1. Do not throw the product into the fire or placed in any overheating environment. 2. Do not disassemble the pruduct or any form of maintenance and modifications. 3. Please follow the instructions, in accordance with the normal method of operation to use this product. If you have any questions, please feel free to contact us.

Specification:

Battery capacity: 20000mAh

Why exist this difference?

The most important reason is the conversion rate. Because most of power bank's battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which making the power bank's conversion efficiency only 3.75/5=74%, Also include generated heat when battery voltage boosting, and various of wire consumption, Electricity and self-consumption. these points add up to account for 30%-40% of the power of the mobile power source. Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%. Please kindly noted.