Comparing Anker Power Banks: Anker Prime Power Bank, Anker Power Bank 325 Portable Charger (PowerCore Essential 20K), and Anker Power Bank 325 Portable Charger (PowerCore 20K II)
- Fred & Ellis
- Aug 4, 2024
- 5 min read
Updated: 3 days ago

In today’s fast-paced world, staying connected is more important than ever. Whether you’re a professional on the go, a student, or a traveller, having a reliable power bank can be a game changer. In this comprehensive review, we’ll dive deep into three top contenders from Anker – the Anker Prime Power Bank, the Anker 325 Portable Charger (PowerCore Essential 20K), and the Anker 325 Portable Charger (PowerCore 20K II). Here at Fred & Ellis, we aim to provide you with the best insights to help you make an informed decision. Let’s get started!
Anker Prime Power Bank
Overview
The Anker Prime Power Bank is marketed as a versatile and powerful device, designed to keep all your gadgets charged and ready. With a robust 20,000mAh capacity, it’s touted as an ideal solution for those who need substantial power on the go.
Positive Amazon Reviews
Versatility and Power: Many users praise the Anker Prime Power Bank for its large capacity and ability to charge multiple devices simultaneously. One reviewer highlighted how it efficiently charged their laptop and smartphone without any hitches.
Design and Build Quality: Customers appreciate its sleek design and sturdy build. The digital display indicating the remaining charge is also a favourite feature among users.
Fast Charging: Several reviews mention the impressive fast charging capability. One user shared their experience of how it quickly brought their iPhone from 0% to 50% in just 30 minutes.
Negative Amazon Reviews
Size and Weight: Some users find the Anker Prime Power Bank a bit bulky and heavy for everyday carry. It’s more suitable for travel or situations where you don’t mind the extra weight.
Price Point: A few reviewers feel that it’s priced on the higher side compared to similar products. They suggest that while it’s a solid investment, it might not be the best choice for those on a tight budget.
Specifications
Capacity: 20,000mAh
Input: USB-C
Output: USB-A, USB-C
Weight: 540 grams
Dimensions: 126.9 × 54.6 × 49.6 mm
Anker 325 Portable Charger (PowerCore Essential 20K)
Overview
The Anker 325 Portable Charger (PowerCore Essential 20K) is designed to provide a reliable power source for your everyday needs. With its high capacity and multiple charging ports, it’s a popular choice among tech enthusiasts.
Positive Amazon Reviews
Reliability: Many users commend the Anker 325 Portable Charger for its reliability. One reviewer noted that it consistently delivered power without any fluctuations, making it a trustworthy travel companion.
Portability: Despite its high capacity, users find it relatively compact and easy to carry around. This makes it a great choice for daily use.
Value for Money: Customers appreciate the balance between price and performance. One user mentioned that it’s a cost-effective solution for those who need a robust power bank without breaking the bank.
Negative Amazon Reviews
Charging Speed: Some reviewers feel that the charging speed could be improved. While it’s decent, it doesn’t match the fast charging capabilities of some higher-end models.
Build Quality: A few users have reported issues with the build quality over time. Specifically, there have been mentions of the charging ports becoming loose after extended use.
Specifications
Capacity: 20,000mAh
Input: Micro USB, USB-C
Output: USB-A (x2)
Weight: 314 grams
Dimensions: 157.9 x 74.1 x 19.3 mm
Anker 325 Portable Charger (PowerCore 20K II)
Overview
The Anker 325 Portable Charger (PowerCore 20K II) is the upgraded version of the Essential 20K, offering improved features and enhanced performance. This model aims to deliver superior charging efficiency and durability.
Positive Amazon Reviews
Enhanced Performance: Users highlight the improved charging efficiency and speed of the PowerCore 20K II. One reviewer noted that it charged their devices faster than any other power bank they had used.
Durability: Many customers appreciate the robust build quality. One user mentioned that it withstood multiple drops without any noticeable damage, making it a durable choice for rough use.
User-Friendly Design: The upgraded design, including better placement of ports and an improved digital display, has received positive feedback from users.
Negative Amazon Reviews
Price: Similar to the Prime model, some users feel that the PowerCore 20K II is priced on the higher side. They suggest it’s a worthwhile investment but not necessarily budget-friendly.
Weight: A few reviewers mentioned that it’s slightly heavier than expected, which might be a consideration for those looking for an ultra-portable option.
Specifications
Capacity: 20,000mAh
Input: USB-C
Output: USB-A, USB-C
Weight: 465g
Dimensions: 160.3 x 80.1 x 20.4 mm

F&E Verdict
After thoroughly examining the Anker Prime Power Bank, the Anker 325 Portable Charger (PowerCore Essential 20K), and the Anker 325 Portable Charger (PowerCore 20K II), Fred & Ellis have gathered some key insights to help you make the best choice for your needs.
Anker Prime Power Bank
Overall Amazon Rating: 4.4 out of 5 stars with 2,740 ratings as of March 2025
Pros: High capacity, fast charging, sleek design, and robust build.
Cons: Bulky, pricey.
Ideal For: Travellers and professionals needing a reliable and powerful power bank for multiple devices.
Anker 325 Portable Charger (PowerCore Essential 20K)
Overall Amazon Rating: 4.6 out of 5 stars with 87,748 ratings as of March 2025
Pros: Reliable, portable, value for money.
Cons: Average charging speed, occasional build quality issues.
Ideal For: Daily use and those looking for a cost-effective, high-capacity power bank.
Anker 325 Portable Charger (PowerCore 20K II)
Overall Amazon Rating: 4.5 out of 5 stars with 6,498 ratings as of March 2025
Pros: Enhanced performance, fast charging, durable, user-friendly design.
Cons: Higher price point, slightly heavier.
Ideal For: Users seeking superior performance and durability, willing to invest in a high-quality power bank.
In conclusion, all three models offer unique advantages, catering to different user needs. The Anker Prime Power Bank stands out for its sheer power and design, making it perfect for heavy users. The Anker 325 Portable Charger (PowerCore Essential 20K) offers great value for everyday use, while the Anker 325 Portable Charger (PowerCore 20K II) provides enhanced features and durability for those willing to invest a bit more. Choose the one that best fits your lifestyle and power needs, and stay charged up with Fred & Ellis!
As an Amazon Associate I earn from qualifying purchases. This site contains Amazon affiliate links. Product ratings and review counts mentioned in this post were accurate at the time of publishing but may change over time. Please check Amazon directly for the most up-to-date information.
This post was crafted with the assistance of advanced AI technology to analyse and compile insights from Amazon customer reviews. By leveraging AI, F&E ensure a comprehensive and unbiased assessment of the products discussed, providing you with accurate and reliable information.
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