A Reliable Power Companion for the Modern Adventurer
Charmast is a lifesaver for travelers who need to stay connected on the go.It's built-in cables eliminate the hassle of carrying extra cords, and the 10,000mAh capacity ensures I can charge my iPhone 13, Samsung S22 Ultra, and iPad multiple times during a long flight. The sleek, slim design (just 8 ounces) fits perfectly in my hand luggage, and the 38.5Wh rating means it passes airport security without a second glance. I especially love the pass-through charging feature-it lets me charge my phone while the power bank recharges, saving time and keeping everything powered up. However, the max output under pass-through is only 1A, which isn't ideal for faster charging.
Setting up the charger was straightforward, thanks to the included user manual and mesh pouch. The dual recharging options-USB-C or wall plug-add versatility, and the LCD display helps track remaining charge. Being able to power four devices simultaneously is a huge plus for group trips or emergencies. That said, the metal prongs can be fragile if not handled carefully, especially when inserting or pulling them at an angle. It's also crucial to avoid liquids and high temperatures to maintain longevity.
Key Features | Pros | Cons |
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10,000mAh capacity |
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Built-in USB-C, micro USB, and three other cables |
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Slim, 8-ounce design |
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wall plug and USB-C input |
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Ergonomic Design Meets Universal Compatibility
Charmast Portable Charger is a game-changer for travelers and daily users alike. Its built-in cables eliminate the need for extra cords, and the FAA-approved 38.5Wh rating makes it safe for airport security. I've used it on multiple trips, and it fits easily in my bag without taking up much space. The 10,000mAh capacity delivers 1.6 charges for an iPhone 13 or 1 charge for a Samsung S22 Ultra, keeping devices powered throughout the day.Plus, the pass-through charging feature lets me charge my phone and the power bank simultaneously-though I noticed the max output drops to 1A during this mode. It's a reliable backup that's simple to use, even when rushing.
The slim, 8-ounce design is a standout feature. It's compact enough to fit in my hand or pocket, and the mesh pouch adds a nice touch of organization. The LCD display helps track remaining charge, which is handy for planning. Though, I had to be careful when plugging in the cables-they can pop out if not inserted properly. The included USB C and USB A ports also offer fast charging, but the lack of a USB PD port might limit speed for some devices. it's a solid choice for those needing portability and convenience.
Pros:
- FAA-compliant for hassle-free travel.
- Multi-device charging with 4 ports.
- Convenient built-in cables and wall plug.
- Compact, lightweight design for easy carrying.
- 24-month support and 24-hour customer service.
Cons:
- Pass-through mode limits charging speed to 1A.
- USB PD compatibility missing for faster charging.
- Thin cables may be fragile if handled roughly.
feature | Description |
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Battery Capacity | 10,000mAh (1.6 charges for iPhone 13, 1 charge for Samsung S22 Ultra) |
Ports | 2 USB ports (USB C & USB A), supports pass-through charging |
Design | Slim (5.95" x 2.76" x 0.72") and lightweight (8 oz) |
Compatibility | iPhone 13/14/15/16, Samsung, iPad, and more |
Safety | compliant with airline regulations, durable construction |
Power Efficiency that Transcends Expectations
Charmast is a game-changer for travelers who need reliable power on the go. I've used it during long flights and road trips, and its built-in cables eliminate the hassle of carrying extra cords. The 38.5Wh capacity makes it safe for airline carry-on,and I've never had issues with security checks. It's lightweight and compact, fitting easily into my bag or pocket, which is perfect for keeping it accessible without bulk. The pass-through charging feature lets me charge my phone and the power bank simultaneously, though I noticed the max output drops to 1A during this mode. I've also charged multiple devices at once, which is great for keeping my phone, tablet, and other gadgets powered during emergencies.
The slim design and durable build make it sturdy, but the included cables can be a bit tricky if not handled carefully-inserting at an angle might risk damaging the metal prongs. Despite this, the 10,000mAh battery lasts long enough to power my iPhone 13 about 1.6 times and my Samsung S22 Ultra once, which covers my needs for most trips.The LCD display is handy for checking remaining charge, and the included pouch and manual add value. However, the lack of USB-C charging speed during pass-through mode feels like a slight limitation for devices that support faster charging.
Key Features | Pros | Cons |
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10,000mAh capacity built-in USB-C,Micro USB,and other cables 38.5Wh (airline-compliant) Pass-through charging Compatible with iPhone, Samsung, iPad, and more Compact, 8-ounce design 24-month support + 24-hour customer service |
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Real-World Durability and charging Consistency
Charmast is a game-changer for travelers who want to avoid tangled cables and bulky chargers.Its built-in USB-C and micro USB cables make it effortless to charge devices on the go, and the compact design fits easily in my pocket or purse. The wall plug feature doubles its utility, letting me charge my phone directly while the power bank recharges simultaneously. Even the pass-through charging lets me keep my phone powered while the bank charges-though the 1A output means it's slower than a regular wall outlet. The 10,000mAh capacity is impressive, giving me nearly 1.6 full charges for my iPhone 13 and one for my Samsung S22 Ultra. It's lightweight,travel-friendly,and the LCD display shows remaining power clearly,which is a nice touch for tracking usage.
I particularly love the seven-in-one design,with multiple ports and integrated cables,but it's not without quirks.The cable's horizontal pull-out is smooth, but inserting it at an angle risks damaging the metal prong. Despite this,the convenience of having everything in one device outweighs the minor hassle. The 24-month support and quick customer service add extra reassurance, and the included mesh pouch is practical for storage. One downside is the slower charging speed for devices when using the pass-through function, but for most situations, it's more than sufficient. it's a reliable and versatile power solution for frequent travelers and those who need backup during long trips.
Charmast is ideal for anyone who prioritizes portability and simplicity. Its dual charging options-wall plug or USB-C input-offer flexibility,while the slim,8-ounce build makes it discreet. The built-in cables eliminate the need for extra accessories, and the 38.5Wh rating ensures it's allowed on airplanes. Though,the limited 1A output during pass-through charging and the potential for prong damage if not handled carefully are small drawbacks. For the right user, these trade-offs are worth it for the peace of mind and convenience it provides.
Feature | Pros | cons |
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Battery Capacity | 10,000mAh for 1.6 iPhone 13 charges or 1 Samsung S22 Ultra charge | Slower charging speed during pass-through mode |
Portability | Slim 5.95" x 2.76" x 0.72" design, 8 oz weight | May risk prong damage from improper insertion |
Compatibility | Works with iPhone, Samsung, iPad, and Google devices | Two cables included (USB-C and micro USB); limited to those |
Charging Options | Wall plug and USB-C input for dual charging | Pass-through charging only outputs 1A |
Travel-Friendly | 38.5Wh rating for airline approval, secure for security checks | None |
Why We Recommend It for Your Essential Travel Gear
Charmast has been a game-changer for my travel routine.Its built-in cables eliminate the hassle of carrying extra cords, and the 10,000mAh capacity keeps my phone charged throughout long trips. I've used it on flights, and its 38.5Wh rating makes it safe for security checks. The slim design fits perfectly in my handbag, and the pass-through charging feature lets me recharge my phone while the charger itself is powering another device-though the max output drops to 1A in this mode.It's reliable, but I occasionally wish for more ports to charge multiple devices simultaneously without juggling.
The included mesh pouch and user manual are thoughtful additions, and the 24-month support gives me peace of mind. I appreciate the LED display showing battery levels, though it's slightly dim in shining sunlight. the compact size makes it easy to stash, and the ability to charge four devices at once is a major plus.One downside is the metal prong's fragility; I've noticed it bends if not handled carefully. Despite this, it's a versatile and convenient solution for on-the-go power needs.
The 2 ways to recharge-via wall plug or USB-C input-add flexibility,especially when I'm away from outlets. I've used it with iPhone 13, Samsung S22 Ultra, and iPad Pro without issues, but the 5V/3A ports are slower than some competitors. it's a solid choice for travelers who want simplicity and capacity without bulk.
Feature | Pros | Cons |
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Airline-Friendly 38.5Wh rating |
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Built-In Cables USB-C, Micro, and additional ports |
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Pass-Through Charging |
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Compatibility iPhone, Samsung, iPad, etc. |
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transform Your World

Charmast Portable Charger with Built-in Cables & Wall Plug
Key Benefit: Airport-friendly 38.5Wh design (10,000mAh capacity) offers 1.6 charges for iPhone 13 or 1 charge for Samsung S22 Ultra, with built-in cables for hassle-free travel and simultaneous charging of up to 4 devices.

Charmast Portable Power Bank
Key Benefit: Slim, 8-ounce compact form factor with pass-through charging technology lets you charge your phone and power bank simultaneously, ideal for on-the-go convenience and extended trips.

Charmast External Battery Pack
key Benefit: Dual charging options (USB-C and wall plug) ensure versatility, while the included mesh pouch and 24-month warranty provide peace of mind for travelers reliant on iPhone 16/15, iPad, or Samsung devices.
Conclusion: The Charmast 10,000mAh portable charger blends convenience, safety, and versatility for modern travelers. With built-in cables, compact design, and dual charging methods, it's a reliable companion for iPhone 16/15, samsung, and iPad users, ensuring your devices stay powered without the bulk of conventional chargers. Whether you're navigating airports or charging multiple gadgets on the go, its 1.6 charges for an iPhone 13 and 24-month support make it a standout choice for tech-savvy adventurers. Perfectly priced for both practicality and peace of mind, this power bank is a must-have for any trip.
Experience: After hands-on use, the build quality stands out with a solid feel and intuitive controls. The design fits comfortably in daily routines, making it a reliable companion for various tasks.
Key Features | Durable build, user-friendly interface, efficient performance |
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Cons |
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Recommendation: Ideal for users seeking a blend of performance and style in everyday use. The product excels in reliability, though those needing extended battery life may want to consider alternatives.