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Item #:
186865294
charmast 20000mAh Portable Charger with Built-in Cables and AC Wall Plug
85% of respondents would recommend this to a friend
Item #:
186865294
KYD 59
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Monday, October 05
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The simplest way to power up—keep your devices charged for days with our 20000mAh portable charger.
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What Stands Out
Built-in Cables
Eliminate the hassle of carrying extra cables with built-in connectors that ensure you’re always ready to charge your devices on-the-go.
Fast Charging
Experience rapid charging with 20W output, significantly reducing wait times and keeping your devices powered efficiently during travel.
High Capacity
With 20000mAh, this power bank supports multiple devices, providing reliable power for days while being compact enough for effortless travel.
Product Details
| Connector Type | For iPhone, USB-C, Micro |
| Battery Capacity | 20000 milliamp_hours |
| Other Special Features of the Product | Auto Shut-Off, Built In Cable, Built In Wall Plug, Digital Display, Fast Charging |
| Voltage | 9 volts |
| Power Source | Corded Electric |
| Amperage | 2.2 A |
| Number of Ports | 5 |
| Output Current | 5 A |
| Rapid Charging Performance | 50% in 1 Hour |
| Compatible Devices | Compatible with all Samsung and Pixel models, mainstream Android phones, Compatible with iPad, Tablet, Compatible with iPhone 14/13/12/11/XR, all series, etc, Compatible with iPhone 16/15 Pro/Pro Max series, Compatible with iPhone 17/iPhone 17 Pro/iPhone 17 Pro Max |
| Output Wattage | 22.5 watts |
| Reusability | Rechargeable |
| Number of Outlets | 1 |
| Antenna Location | Compatible with all Samsung and Pixel models, mainstream Android phones, Compatible with iPad, Tablet, Compatible with iPhone 14/13/12/11/XR, all series, etc, Compatible with iPhone 16/15 Pro/Pro Max series, Compatible with iPhone 17/iPhone 17 Pro/iPhone 17 Pro Max |
| Item Dimensions L x W x Thickness | 5.91"L x 2.83"W x 1.09"Th (15 x 7.2 x 2.8 cm) |
| Item Dimensions | 5.91 x 2.83 x 1.09 inches (15 x 7.2 x 2.8 cm) |
| Battery Weight | 148 g |
| Brand | charmast |
| Model Name | C2046S |
| Model Number | C2046S |
| Number of Items | 1 |
| Included Components | 20000mAh Power Bank*1, Travel Pouch*1, User Manual*1 |
| Manufacturer | Dong guan Utopia-Originality Technology Co., Ltd |
| Number of Batteries | 2 9V batteries required. (included) |
| Mfr Part Number | C2046S |
| Color | black |
| Battery Cell Type | Lithium Polymer |
| Special Feature | Auto Shut-Off, Built In Cable, Built In Wall Plug, Digital Display, Fast Charging |
What's in the box
20000mAh Power Bank*1
User Manual*1
Travel Pouch*1
Who Should Buy?
-
Travel Enthusiasts
Ideal for travelers seeking reliable power for their devices during long journeys and multiple destinations.
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Heavy Users
Perfect for users who frequently use smartphones and require extended battery life throughout their busy days.
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Tech Professionals
Great for professionals who rely on multiple devices and need fast charging capabilities while on the go.
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Minimal Users
Not suitable for light users who rarely need to charge their devices and prefer smaller power banks.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What devices can I charge with the Charmast 20000mAh Portable Charger?
Answer: The Charmast 20000mAh Portable Charger is compatible with a variety of devices including smartphones, tablets, and other USB-powered gadgets. It features built-in cables and supports fast charging technology, making it ideal for quickly powering up multiple devices while on the go. For example, you can charge your latest iPhone, Android devices, or even smaller devices like smartwatches and wireless earbuds seamlessly. -
Question:
How long does it take to charge the Charmast power bank itself?
Answer: Typically, charging the Charmast 20000mAh Portable Charger takes around 8-10 hours using the included wall plug. The charger supports 20W input power, which ensures efficient charging. This way, you can plug it in overnight or during your workday and have it fully powered for your travels or daily use. It’s perfect for those who often need a reliable power source while away from traditional outlets. -
Question:
Is the Charmast power bank suitable for international travel?
Answer: Yes, the Charmast 20000mAh Portable Charger is designed for international travel, featuring a universal compatibility with devices from different regions. The compact size and built-in cables reduce the need for extra accessories, making it travel-friendly. Whether you're exploring new countries or going on business trips, you can conveniently power your devices without the hassle of seeking out compatible chargers. -
Question:
Can I charge multiple devices at the same time?
Answer: Absolutely! The Charmast Portable Charger allows you to charge multiple devices at once thanks to its multiple output ports and built-in cables. This means you can charge your phone, tablet, and Bluetooth device all at the same time. This feature is particularly useful during family outings or group trips where everyone needs their devices powered up. -
Question:
What makes the Charmast power bank a good choice for fast charging?
Answer: The 20W output of the Charmast 20000mAh Portable Charger enables fast charging capabilities, which reduces the time spent charging your devices significantly. This power bank intelligently distributes power to ensure optimal charging speed based on the device's needs. If you're in a hurry and need your smartphone to charge quickly before heading out, this feature ensures you won’t be waiting long for your devices to be ready. -
Question:
Does the power bank come charged out of the box?
Answer: Typically, most power banks have a partial charge when they are shipped, including the Charmast model. It's recommended to fully charge it before your first use to maximize its efficiency. This way, you can experience the full capacity of the power bank right from the start. Checking the charge level beforehand prepares you for a seamless experience whenever you need it. -
Question:
How many times can I charge my smartphone with the Charmast power bank?
Answer: The 20000mAh capacity of the Charmast Portable Charger can charge an average smartphone 4-6 times, depending on the device's battery size. This makes it an excellent option for long trips or when you're unable to access a charging outlet. For instance, you can keep your smartphone charged for a weekend camping trip without worrying about battery life. -
Question:
Is it safe to use the Charmast power bank while charging my devices overnight?
Answer: Yes, the Charmast power bank is designed with safety features that protect against overcharging, overheating, and short-circuiting. You can use it to charge your devices overnight without concern. This makes it a reliable companion when your daily schedule requires your devices to be fully powered by morning. -
Question:
What should I do if the power bank is not charging my devices?
Answer: If the Charmast Portable Charger isn't charging your devices, first check the connections to ensure they are secure. Also, confirm that the power bank is charged itself. Resetting the device by unplugging it and plugging it back in can sometimes resolve the issue. If problems persist, trying another charging cable or another device may help isolate the problem. -
Question:
Where can I buy the Charmast 20000mAh Portable Charger?
Answer: You can purchase the Charmast 20000mAh Portable Charger from Ubuy in Cayman Islands. Ubuy offers a wide selection of electronic accessories, including this power bank, and ensures you have access to the latest models and dependable customer support. This makes Ubuy an excellent option for your electronics needs.
charmast Portable Power Banks C2046S Editorial Review
charmast 20000mAh Portable Charger with Built-in Cables and AC Wall Plug is a practical and reliable solution for charging multiple devices on the go. With its substantial 20000mAh battery capacity, it easily supports several charges for smartphones and tablets, making it ideal for travel or daily use. The built-in cables eliminate the hassle of carrying extra cords, while the integrated AC wall plug allows for convenient recharging directly from an outlet. Users appreciate the digital display that indicates remaining battery life, which adds an additional layer of functionality. This charger is compatible with a wide range of devices, providing versatility in a compact design.
Customer Reviews & Ratings
245 customers ratings
-
5 Star
68%
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4 Star
10%
-
3 Star
6%
-
2 Star
4%
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1 Star
12%
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Pros
- Built-in charging cables for convenience
- Integrated wall plug for easy recharging
- High capacity supports multiple device charges
- Digital display shows remaining battery life
- Compatible with various smartphone models
Cons
- May feel a bit heavy for all-day carrying
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
KYD 59
Order now and get it around Monday, October 05
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- 20000mAh capacity keeps devices charged for days—ideal for outdoor adventures and travel.
- Built-in wall plug for easy charging without cables—perfect for on-the-go power.
- Fast charging with 20W PD/QC technology minimizes downtime and keeps you connected.
- Compatible with multiple devices including iPhone, Android, and low-current devices.
- Flight-friendly design complies with airline regulations—your perfect travel companion.
- Advanced safety features protect against overcharging and short circuits for peace of mind.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.