In today’s review, we’ll be comparing two heavyweight contenders in the power bank arena: the time-tested ZMI Power Pack 20 QB826G and the brand-new Anchor Prime Power Bank.

Both come with hefty claims about their performance, promising high power levels and impressive charging capabilities. Join me as we delve deep into their specifications, testing their power output, energy storage capacity, and charging speed. Check out the latest prices here: Anchor Prime Power Bank and ZMI Power Pack 20 QB826G.

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ZMI Power Pack 20 QB826G: The Powerhouse

The ZMI Power Pack 20 QB826G is a versatile, worldwide edition laptop power bank boasting a capacity of 25,000 milliampere-hours. With a maximum power delivery of 100 watts on its single port, and a total output of up to 210 watts, this power bank certainly means business.

Upon unboxing, the ZMI presents itself with a sleek and advanced design. It offers both Power Delivery and Quick Charge capabilities on three ports, supporting a wide range of voltage outputs. Notably, it features a Programmable Power Supply mode, enabling voltage options of 11 and 20 volts.

However, it’s important to note that the ZMI does have limitations. It falls short of Samsung’s 45-watt super-fast charging, and its claimed 210-watt total output power was not entirely achievable in testing. Despite this, the ZMI Power Pack demonstrated impressive efficiency, with a minimal 19% power loss at 50 watts output.

Anker Prime A1336: The Compact Dynamo

The Anker Prime A1336 boasts 20,000 milliampere-hours of capacity and a commendable 200-watt output. This power bank is packaged in Anker’s signature retail box, exemplifying their commitment to quality presentation.

Like the ZMI, the Anker Prime supports a range of voltage outputs, ensuring compatibility with various devices. However, it falls short of providing Samsung’s 45-watt super-fast charging due to a limitation in Programmable Power Supply mode.

During testing, the Anker Prime exhibited a commendable charging speed, achieving a full charge in approximately 1.5 hours. However, it’s worth noting that its displayed charging percentage can be misleading, as it maintains 100% for a substantial period while still charging at a reduced rate.

Comparative Analysis

Both power banks exhibit noteworthy features and limitations. The ZMI impresses with its efficiency, delivering power to the output with only a 19% loss at 50 watts. On the other hand, the Anker Prime boasts a compact form factor and an efficient charging cycle.

In terms of density, both power banks stand out in terms of power density, allowing for fast charging and discharging. However, it’s crucial to remember that these high figures often pertain to short-term capabilities, and prolonged use at such levels can lead to overheating.

Value Assessment

While both power banks deliver on their claims, they come with a premium price tag. It’s important to acknowledge that the extra features they offer are often short-term or marketing gimmicks. Neither power bank consistently operates at their maximum rated speeds.

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ZMI Power Pack 20 QB826G Pros And Cons:

Pros:

High Power Output: Offers up to 100 watts on each port, providing substantial charging capabilities.

Versatility: Supports a wide range of voltage outputs, making it compatible with various devices.

Efficiency: Demonstrates impressive efficiency with minimal power loss during output.

Safety Certification: Holds safety listings for both the US and Canada markets, ensuring user safety.

Programmable Power Supply Mode: Offers flexibility with selectable voltage options of 11 and 20 volts.

Cons:

Limited PPS Mode: PPS mode is capped at 3 amps, restricting compatibility with some high-speed charging technologies.

Overheating at High Loads: Overheats after continuous operation at high loads, requiring cool-down periods. Check out the latest price here: ZMI Power Pack 20 QB826G.

Anker Prime A1336 Pros And Cons:

Pros:

Compact Design: Features a compact form factor, making it easy to carry around.

Decent Charging Speed: Achieves a full charge in approximately 1.5 hours, ensuring quick replenishment.

Wide Compatibility: Supports various voltage outputs, ensuring compatibility with a range of devices.

Uninterruptable Power Supply: Keeps one USB-C port operational during power interruptions (though not intended for continuous UPS use).

Low Power Mode: Enables charging of low-power devices for an extended period with a double click.

Cons:

Inaccurate Charging Percentage Display: The displayed charging percentage can be misleading, as it remains at 100% for an extended period while still charging at a reduced rate.

Limited PPS Mode: Like the ZMI, PPS mode is capped at 3 amps, restricting compatibility with certain high-speed charging technologies.

Limited Continuous High Load Operation: Shuts off after a few minutes of operation at 200 watts, requiring cooldown. Check out the latest price here: Anchor Prime Power Bank.

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How to Choose:

Consider Your Device’s Requirements: Determine the power needs of your devices. If you have high-powered devices, a power bank with a higher output like the ZMI might be more suitable.

Portability: If you prioritize portability and need a power bank for on-the-go use, the compact design of the Anker Prime may be more appealing.

Charging Speed: If you require rapid charging, both power banks offer respectable charging speeds. Consider if a slight difference in charge time matters to you.

Compatibility: Check if the power bank supports the charging technologies of your devices. Both models have limitations in PPS mode, so verify compatibility with your specific devices.

Budget: Assess your budget. These power banks come at a premium price, so determine what features are essential for your needs and consider if they justify the cost.

Intended Use: If you plan to use the power bank as a short-term backup during power outages, the ZMI’s UPS capability might be advantageous.

Conclusion

In the battle of the power banks, the ZMI Power Pack emerges as the victor, offering an impressive combination of efficiency, versatility, and performance. Its ability to deliver consistent power output without excessive losses sets it apart. However, it’s important to remember that no power bank is perfect, and understanding their capabilities and limitations is crucial for making an informed purchase.

Ultimately, the choice between these power banks comes down to individual preferences and requirements. Whether you prioritize efficiency, fast charging, or additional features, both the ZMI and Anker Prime have strengths that cater to different needs in the market. Check out the latest prices here: Anchor Prime Power Bank and ZMI Power Pack 20 QB826G.

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