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B653 Power Bank Portable Charger 20,000mAh 45W PD 3.0 Type-C


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20,000mAh Portable power bank with powerful USB-C output reaches up to 100W(Max) to fully charge your MacBook Pro, iPhone, Nintendo Switch, GoPro, camera battery, desk lamp, small fan, etc. Fast charge your 3 devices simultaneously, never out of power on the go.
Model: B653
USB C 100W Power Delivery: Choetech portable Type C power bank 20.000mAh supports most USB-C powered laptops such as MacBook , Surface Book 2, ThinkPad E480, Lenovo YOGA, HP, Dell XPS 13 etc. Fully recharge Macbook Pro 13’’ within 2 hours.
20,000mAh Large Capacity Power Bank: This portable PD power bank capacity is pretty impressive at 20,000 mAh, this allows it to charge most smartphones a total of five or six times.
MultiProtect: Built-in short circuit protection, over-voltage protection, over-current protection, and temperature control, certified by FCC, CE, TUV, PSE, to keep you and your devices safe.
What You Get: 20,000mAh Portable PD Power Bank*1, USB-C to C Charging Cable*1, User Manual*1


Power Delivery 100W Fast Charger

Ideal high capacity 20,000 mAh power bank for USB-C powered laptop, with 100W USB-C output port, it can quick charge MacBook Pro 16’’ from 0 to 60% in only 1 hour, this pd power bank will automatically identify the devices and smart charge them with proper power from 18W to 100W.

20,000mAh Huge Capacity

Fully charge MacBook Pro 13’’ 1.2 times, iPad pro 12.9’’ 1.6 times, Samsung S20 4 times, iPhone SE 2020 10 times, etc. Never worry about the low capacity of your devices whenever you are during business on the go, meeting, mobile working, travel or gaimg with friend, the 20,000mAh power bank will make you feel less anxious.

Wide Compatibility

The Type C power bank is equipped with 2 Quick Charge 3.0 USB-A ports and 1 Power Delivery 3.0 USB-C port make the 26800mAh battery bank compatile with most USB-C PD powered laptops, MacBook, iPad, portable monitor, Nintendo Switch, Cameras, iPhone and other smartphones.

Rapid Recharge

The USB-C Port also support input 60W Max, use a PD 60W wall charger(not included) with the included 100W USB-C to C cable to recharge your 20,000mAh portable PD power bank in 2 hours.

Smooth Design

The aluminum alloy shell, with good heat dissipation, that is functional, and gives you good sense of touch and the interpretation of a sense of thick and classic.

Three Ports High-Speed Charging

When charging 3 devices at the same time, the USB-C PD port still supports 100W Max fast charging, the 2 USB-A ports support 17W Max total. Note: When the 20,000mAh power bank's capacity is below 50%, the 100W USB-C output will turn into 60W to protect it.

Wide Compatibility 20,000mAh Power Bank

Equipped with 2 USB-A ports and 1 USB-C port make the 20,000mAh battery bank compatible with most USB-C powered laptops, MacBook, iPad, portable monitor, Nintendo Switch, Cameras, iPhone and other smartphones.


Smart USB-C Port

With Power Delivery 3.0 technology, the USB-C port intelligently identify the connected device and delivers the optimum, high-speed charge to all devices.


What's the power bank definition?

Power banks, sometimes speed as powerbanks, can be defined as portable batteries that use circuitry to control any power in and power out. They can charged up using a USB charger when power is available, and then used to charge battery powered items like mobile phones and a host of other devices that would normally use a USB charger.

The name power bank can be likened to a financial bank where funds can be deposited, stored, and withdrawn when needed. These items are also often referred to as portable chargers, as they can charge items like mobile phones without the need to be connected to the mains during charging, although they will need to be charged, and this normally requires a mains charger. (by electronics-notes.com)

Power bank battery lifetime?

There are two main forms of lifetime that are associated with power banks.

Charge discharge cycles: Any rechargeable battery will gradually wear out. Normally the lifetime of a battery is quoted in terms of the number of charge discharge cycles it can undergo before its performance falls by a given degree. Some cheaper power banks may only have a life of 500 or so charge discharge cycles, but better ones will have lifetimes of many more charge discharge cycles.
Self discharge time: All battery cells, whether rechargeable or primary have a certain level of self discharge. For rechargeable batteries these days with their own control circuitry, a small amount of power is required to keep these circuits alive. As a result there is only a finite time that a battery will remain charged.

A good power bank can hold charge for up to 6 months with only a small loss of charge, but lower quality ones may only retain a useful charge for about a month. These figures are for room temperature, but storing them outside these temperatures considerably reduces their performance. (by electronics-notes.com)


What's the power bank battery technology?

All power banks use rechargeable batteries based around lithium technology. Lithium-Ion and Lithium-Polymer batteries are most commonly used for power banks but don’t be surprised if other types start to hit the market before long. Battery technology is key to many new developments: everything from mobile phones to electric vehicles, and as a result it is quite likely there will be some spin-offs into power banks.

The two technologies that are currently used have slightly different properties:

Lithium-ion: Lithium-Ion batteries have a higher energy density, i.e. they can store more electrical charge in a given size or volume, and are cheaper to manufacture, but they can have issues with ageing.
Lithium-polymer : Lithium-polymer power banks do not suffer from ageing to the same extent so are a better choice. However they are more costly to manufacture and as a result they may not suit all budgets. Sometimes it may be that it is best to spend less, especially if they are likely to be accidentally lost.
Both forms of power bank work well, but it is a balance between cost and performance. (by electronics-notes.com)