Anker Powercore Speed 20000mAh PD... 4 RATING POWERUP
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Anker Powercore Speed 20000mAh PD (A1275) – Review

4

SCORE

The Anker Powercore Speed is the most sold portable charger ever, but it falls short in many regards


OVERVIEW

Performance + Capacity 3
Design 5
Recharge Time 5
Value for Money 3

POSITIVES

  • Lightweight and compact for a 20k pack
  • Top notch Anker customer support 
  • Comes with C to C Cable

NEGATIVES

  • Maximum of 22w output
  • Few supported fast charge protocols
  • Expensive for what you get
  • Mediocre efficiency

BOTTOM LINE

The Anker Powercore Speed 20k PD is a lightweight portable charger capable of 24 watt hours of output. It weighs and measures significantly less than other power banks in the 20k category, making it a viable daily carry option. Although, it only supports Power Delivery via the USB-C port which means that the only devices it can fast charge at the quickest rate possible are those that don’t require any other additional formats. An example of this are iPhones. However, you won’t be able to maximize the fast charging feature if you have a Samsung, Huawei, or LG. All this comes at a price point of around $60 which is pretty steep for what you get.

 

4

SCORE
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TECH SPECS:

Ports: USB-C, USB-A

USB-C Output:

  • 24W USB-C Power Delivery 2.0 (5V/3A, 9V/2.6A, 12V/1.9A, 15V/1.6A)

USB-A Output:

  • 10W USB (5V/2A)
  • Apple 2.4A


Input:
30W USB-C PD (5V/3A, 9V/3A, 15V/2A, 20V/1.5A)

Table of Contents

The Anker Powercore Speed 20k PD is the new edition of the very popular Anker Powercore Speed 20k which is the most sold power bank ever. This power bank is among the lightest in its category, making it very attractive for those always on-the-go. It’s also a bestseller on Amazon and has a great reputation, being from Anker with its top notch customer support. It’s capable of 24 watt hours of output which is pretty low for a 20k milliamp hour pack but still acceptable since most smartphones are able to charge the fastest at 18 watt hours anyway. However, the only fast charge protocol it supports is Power Delivery via the USB-C and the pack lacks QC entirely which is pretty disappointing since this means that the only smartphones it can fast charge at maximum capacity are those that don't require any other formats such as Quick Charge. The most common examples are iPhones. Although it can still be used to power up androids like Samsungs, Huaweis, it won’t be at maximum speed. With all that being said, the Anker Powercore Speed 20k PD retails for about $60 which is pretty steep for what you get. Will its performance justify that price point? Let’s find out.

ANKER POWERCORE SPEED SIZE BUILD QUALITY AND FIRST IMPRESSIONS

anker powercore speed charging The Anker Powercore Speed 20k PD is a nondescript power bank with a standard look and feel. It’s black with rounded edges and surprisingly light for an Anker pack. It comes with a cover - (which to us seems pretty pointless) - and a USB C to C cable. Straightaway, it is noticeably lighter than other 20k packs weighing 363 grams with dimensions 167mm x 62.4mm x 22.0mm. It has one USB-C port and one USB-A port. As for specifications, find them here: Ports: USB-C, USB-A USB-C Output:
  • 24W USB-C Power Delivery 2.0 (5V/3A, 9V/2.6A, 12V/1.9A, 15V/1.6A)
USB-A Output:
  • 10W USB (5V/2A)
  • Apple 2.4A
Input: 30W USB-C PD (5V/3A, 9V/3A, 15V/2A, 20V/1.5A)

CHARGE CAPABILITIES

Looking at the back of the power bank, we can actually see its stats. It has 30 watts input which means that it can charge itself at an impressive 30 watt hours. As for the output, it’s capable of 24 watts which means that it can charge other devices at a maximum of 24 watt hours. This output is pretty low for a 20k pack since other power banks are capable of much more output. For example, the ZMI Powerpack 20k Pro is capable of a massive 65 watt hours of maximum output while the Xiaomi 20k Pro is capable of a maximum 45 watt hours of output. As for supported fast charge protocols, the Anker Powercore Speed 20k PD only supports Power Delivery via the USB-C port. It does not support Quick Charge which means that most Androids like the Samsung Galaxy Note 10 or Samsung Galaxy S8 won’t be able to charge at the fastest rate possible. The same goes for Huawei phones such as the Huawei P40 or Huawei Mate 9 as their fast charging standard is also not supported. The only devices that the pack can charge at maximum speed are those only using Power Delivery such as iPhones.

ANKER POWERCORE SPEED CAPACITY AND PERFORMANCE (TESTED)

To see how it performs, we tested its efficiency across different power loads. This is to check how much of the internal capacity can actually be utilized at different outputs. For reference, the internal capacity of this pack is 72.36 watt hours. anker powercore speed power First, we tested the pack’s efficiency at 5 watt hours. It gave a pretty average result of 84% efficiency at 60.59 watt hours compared to the 72.36 watt hours stated by the manufacturer.
Next, we tested its efficiency at 9 watt hours. It gave an impressive result of 91% efficiency being capable of 65.54 watt hours. This is very good efficiency at 9 watts being up to par with other power banks of the same category such as the ZMI Powerpack 20k Pro whose efficiency at 9 watt hours was at 93%. anker powercore speed
Now, we move on to testing the Anker Speed’s efficiency at 18 watts hours which is as fast as you can charge an iPhone. This showed a fair result of 87% efficiency which is on the lower side compared to other 20k packs but not by a lot. For reference, the Xiaomi 20k Pro delivered a result of 91.61% capacity at 18 watt hours. anker powercore speed test on a cellphone
Finally, we max things out at its 24 watt hour capacity. We got a result of 85% at 62.1 watt hours which is around average efficiency compared to other packs tested at a slightly higher capacity of 30 watt hours which tested just as good or even better. An example of this is again the Xiaomi 20k Pro which also gave a result of 85% at 30 watt hours and the ZMI Powerpack 20k Pro which gave a result of 92% efficiency at 30 watt hours.

SHOULD YOU BUY THE ANKER POWERCORE SPEED 20K PD?

anker powercore speed size compared to a Samsung phone If you are an iPhone user looking for something with more capacity than a 10k pack at the lightest weight and feel possible then this may be a good option for you. In saying that though, it doesn’t have the best efficiency and capability for a 20k pack so at a price point of $60 you’re definitely paying for more than what you actually get. Now if you are a Samsung, Huawei, or LG user or own any other type of smartphone, then this won’t be a good portable charger for you as it won’t be able to charge your phone at maximum speed. Since it supports so few fast charge  protocols, it will fail to negotiate the fast charge rate with many smartphones. Also, with its low maximum output you are limited to using this on smartphones and other small to medium sized devices. For the same price (or even less money), you will likely be better off with an alternative like the Xiaomi 20k Pro which supports a wider range of fast charging protocols and has more capability at better efficiency.   asdf

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