Charmast Slim 10000mAh Review: Slow Charging Concerns — Worth It? (2024)

Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad

Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad

★★★★★4.5 (5,383)
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"This Charmast portable charger is a tentative buy, holding a strong 4.5/5 rating from over 5,300 users. Its key appeal lies in the convenience of built-in cables and a slim, portable design, eliminating the need for extra cords. However, potential buyers should be aware of recurring user complaints regarding slow charging performance and the power bank itself not holding its charge for long periods, which may impact its reliability for extended travel or heavy usage."

Editor's Summary

The Verdict

Solid Buy

"This Charmast portable charger is a tentative buy, holding a strong 4.5/5 rating from over 5,300 users. Its key appeal lies in the convenience of built-in cables and a slim, portable design, eliminati"

Pros

  • check_circleIntegrated cables are a major convenience, eliminating the need to carry separate charging cords for multiple devices.
  • check_circleThe slim and compact form factor makes it exceptionally portable, easily fitting into pockets or small bag compartments.
  • check_circleA precise digital LED display accurately shows the remaining battery percentage, avoiding the guesswork of indicator lights.
  • check_circlePass-through charging capability allows the power bank and a connected device to be charged simultaneously from a single outlet, a useful feature in power-limited situations.

Cons

  • cancelCharging performance for connected devices is frequently described as slow, with one user calling it 'painfully slow' for travel needs.
  • cancelMultiple users report the power bank itself drains too quickly or does not hold its charge for extended periods, sometimes needing immediate re-charging after a single phone top-up.
  • cancelRecharging the power bank itself can take a considerable amount of time, with reports of over 10 hours to reach near-full capacity.
  • cancelThe integrated cables are not replaceable, meaning a worn connector or damaged cable necessitates replacing the entire power bank unit.
Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad

Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad

★★★★★4.5 (5,383 reviews)
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This Charmast portable charger is a tentative buy, holding a strong 4.5/5 rating from over 5,300 users. Its key appeal lies in the convenience of built-in cables and a slim, portable design, eliminating the need for extra cords. However, potential buyers should be aware of recurring user complaints regarding slow charging performance and the power bank itself not holding its charge for long periods, which may impact its reliability for extended travel or heavy usage.

Specifications

SpecValue
Capacity10000mAh
Weight241g
Dimensions14.43 x 6.69 x 1.77cm
Outputs6 (3 built-in cables + 3 ports)
Inputs3 (1 built-in cable + USB-C + Micro USB)
Fast Charging3A (User reports indicate basic 5V-2A/3A, not PD/QC)
Built-in CablesYes (3 output cables: iPhone, USB-C, Micro USB; 1 input cable: USB-C)
DisplayDigital LED Percentage
Close-up of the Charmast portable charger showcasing its integrated cables and slim profile.
Close-up of the Charmast portable charger showcasing its integrated cables and slim profile.

In-Depth Analysis

When considering an investment in portable power, convenience often clashes with performance. The Charmast 10000mAh portable charger, with its built-in cables, certainly leans heavily into the convenience factor. Our team found that the appeal of not having to hunt for separate charging cords is undeniable. The slim profile, weighing just 241g and measuring under 1.8cm thick, makes it genuinely pocketable, a significant plus for travellers and daily commuters alike. The digital LED display, showing an accurate battery percentage, is another thoughtful touch that elevates the user experience beyond the basic LED dots found on many other battery packs. However, this convenience comes with notable trade-offs, as highlighted by numerous user experiences shared online. A significant point of contention is the charging speed. While the product title mentions '3A Fast Charging', our research indicates that this unit operates more like a standard 5V-2A or 5V-3A charger. This means it does not support modern fast-charging protocols like Power Delivery (PD) or Quick Charge (QC), which are standard on many newer smartphones and essential for rapid top-ups or charging larger devices. Users have reported charging times that are 'painfully slow,' which can be a major drawback when time is of the essence.

charmast Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad in use
charmast Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad in use

Further complicating the value proposition are reports of the power bank itself draining surprisingly quickly or not holding a charge effectively over time. Some users have noted it barely lasts for one full phone charge before needing to be replenished, and recharging the 10000mAh capacity can take an exceptionally long time – upwards of 10 hours is not uncommon. This sluggish recharge cycle, coupled with potentially slow output charging, means this unit is best suited for situations where charging speed is not a priority, perhaps for overnight charging or very light usage. For those who require rapid charging for their devices, or need to quickly replenish the power bank, we would recommend looking at brands like Anker or UGREEN, which often offer PD and QC support. We also noted discussions on Reddit regarding potential safety concerns with Charmast power banks, including mentions of past recalls for fire risk on certain models. While it's unclear if this specific 10000mAh unit was ever affected, any such safety concerns, however unconfirmed for this exact product, warrant a cautious approach. Furthermore, the integrated cables, while convenient, are also a point of potential failure. Should a connector break or a cable fray, the entire unit must be replaced, unlike power banks with detachable cables where only the cable needs replacing. This makes the long-term durability less certain. Alternatives like the SAIKATI Power Bank Portable Charger 40000mAh offer substantially more capacity, albeit with a larger form factor, or the Mregb Power Bank Solar Charger 42800mAh, which provides massive capacity and solar charging capabilities for extended off-grid use, though at a higher price point and different feature set. Ultimately, the Charmast 10000mAh with built-in cables presents a classic budget-to-mid-range dilemma. It excels in convenience and portability, making it a 'best bang for buck' option for users who prioritize ease of use and minimal cable clutter over rapid charging speeds and extended battery longevity. If your needs are basic – a secondary charger for occasional top-ups or a backup for light use – this Charmast might serve adequately. However, for power users or those who demand fast, reliable charging, the performance limitations and user-reported issues suggest exploring alternatives that offer a more solid power delivery experience.

Frequently Asked Questions

Expert answers to help you decide

1What is the actual charging speed of the Charmast 10000mAh power bank?

Based on user feedback, this Charmast power bank operates at basic speeds, typically around 5V-2A or 5V-3A. It does not support modern fast-charging technologies like USB Power Delivery (PD) or Qualcomm Quick Charge (QC). This means charging your devices will be slower compared to power banks that utilise these faster protocols.

2How long does it take to recharge the Charmast 10000mAh power bank itself?

Recharging this power bank can be a lengthy process. Users have reported that it can take over 10 hours to reach approximately 98% charge, even when using one of its input options. This slow recharge time means you need to plan ahead and leave it plugged in overnight to ensure it's ready for use.

3Is the Charmast power bank with built-in cables safe to use?

While the product generally receives positive ratings, some online discussions have raised questions about safety, referencing past recalls for other Charmast models due to fire risks. It's always advisable to check for any official safety advisories from the manufacturer for this specific model. For users prioritizing safety, especially for travel, thoroughly researching brand reputation and safety certifications is recommended.

4Why does my Charmast power bank not last long?

Several users have reported that the power bank drains faster than expected or doesn't hold its charge for long. This can be due to various factors, including battery degradation over time, demanding connected devices, or potentially a lower effective capacity than advertised. If you find it consistently underperforming, it might be worth contacting customer support or considering a replacement.

5Can this Charmast power bank charge a laptop?

No, this Charmast 10000mAh power bank is not designed to charge laptops. Laptops typically require higher voltage and wattage (often 45W or more via USB-C PD) than this power bank can provide. It is intended for charging smartphones, tablets, and other smaller electronic devices.

6What devices are compatible with the Charmast 10000mAh power bank?

The Charmast power bank is designed for broad compatibility. Thanks to its built-in iPhone (Lightning), USB-C, and Micro USB cables, it can charge most popular smartphones like iPhones, Samsung Galaxy devices, Google Pixels, and other Android phones, as well as many tablets and smaller USB-powered gadgets.

Charmast Portable Charger with Built in Cables, Power Bank with Cords Wires, Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging for Samsung Google Pixel LG Moto iPhone iPad

C$26.17

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