Product Overview
The Charmast 20000mAh Portable Charger with Built-in Cables & Wall Plug is a versatile, high-capacity power bank designed for modern users who need reliable, on-the-go charging without the hassle of multiple cords. Ideal for travelers, busy professionals, students, and families, this compact device combines a built-in wall plug, universal cables, and fast charging in one convenient package. With its airline-friendly design and global voltage compatibility, it’s perfect for use at home, during business trips, or while abroad. Whether you’re heading to the airport, going camping, or facing a home outage, this portable charger ensures your essential devices stay powered throughout the day.
Key Features
- Built-in Wall Plug for Instant Access: No more searching for outlets or carrying extra adapters. Simply plug the power bank into any standard wall socket—home, office, café, or hotel—and charge directly. The integrated plug allows you to power up anywhere with access to electricity, making it especially useful in crowded airports or shared workspaces where outlets are limited.
- 20000mAh High Capacity for Multi-Day Use: This large-capacity battery pack delivers up to 2.56 full charges for iPhone 16 Pro Max and supports 2.4 charges for Samsung Galaxy S24 Ultra. It also provides 1.55 full charges for iPad 10th Gen, ensuring your devices stay charged during weekend getaways, road trips, or daily commutes without needing frequent recharging.
- 3 Built-in Cables for Universal Compatibility: Equipped with Lightning, USB-C, and Micro-USB cables, the charger works seamlessly with iPhones, Android phones, tablets, Kindles, Bluetooth speakers, and more. This makes it ideal for multi-device households—Dad’s iPhone, Mom’s Samsung, and kid’s Kindle all share the same charger without cable conflicts.
- 20W PD/QC Fast Charging Technology: Supports Power Delivery (PD) and Quick Charge (QC) protocols for rapid charging of compatible devices. Whether you’re answering urgent emails, joining a video call, or finishing a study session, you can get a quick top-up during short breaks without long waits.
- Low-Current Mode for Small Devices: Safely powers low-energy gadgets like AirPods, Apple Watch, LED lights, portable fans, and heated vests. This feature ensures your small electronics remain operational even when off-grid, making it valuable for outdoor adventures or emergency preparedness.
- Flight-Friendly & Airline Approved: With a 77Wh capacity, this power bank meets international airline regulations and is approved for carry-on luggage. Never miss a connection due to dead batteries—stay powered at the gate or during layovers with confidence.
- Safety First: Certified Protection Systems: Built-in safeguards including overcharge protection, short-circuit prevention, and smart temperature control ensure safe operation. Certified with multiple international safety standards, it’s safe for children to use during sleepovers or camp and reliable during home power outages.
- Global Voltage Compatibility (100–240V): Works across various regions without requiring a voltage converter. Whether traveling to Canada, Japan, Mexico, or other countries, just plug in and charge—no extra adapters needed.
Technical Specifications
- Battery Capacity: 20000mAh / 77Wh
- Input: 5V/2A, 9V/2A (USB-C), 12V/1.5A (Wall Plug)
- Output: 5V/2A, 9V/2.22A (USB-C PD), 5V/2A, 9V/2A, 12V/1.5A (Wall Plug)
- Fast Charging Support: USB-C Power Delivery (PD), Qualcomm Quick Charge (QC)
- Built-in Cables: Lightning (iPhone), USB-C (Android), Micro-USB (Legacy Devices)
- Wall Plug Integrated: Yes, supports 100–240V AC worldwide
- Safety Certifications: Overcharge, over-discharge, short-circuit, and thermal protection
- Dimensions: Compact and travel-friendly (exact dimensions depend on model; see product images)
Benefits & Use Cases
This portable charger excels in real-world scenarios where reliability and convenience are critical. Business travelers appreciate the ability to charge directly from an outlet at airports or hotels, eliminating the need to carry loose cables or hunt for available ports. Students benefit from quick boosts during late-night study sessions, while photographers and content creators rely on consistent power for cameras and smartphones during shoots.
For families, the triple-cable design eliminates disputes over whose turn it is to bring the right cord. Parents can confidently send kids to camp or sleepovers knowing their devices will stay powered. During emergencies such as power outages, the charger keeps phones, flashlights, and essential electronics running safely.
Outdoor enthusiasts find value in the low-current mode, which keeps GPS units, headlamps, and portable heaters working in remote locations. Its lightweight build and carry-on compliance make it suitable for hiking, camping, and road trips without adding bulk.
Important Notes
- Always keep the power bank in your carry-on luggage—do not check it in, as lithium-ion batteries are restricted in checked baggage.
- While compatible with many devices, optimal fast charging requires support for USB-C PD or QC on the connected device.
- Charging time varies depending on input source and usage patterns—using the wall plug is faster than USB input.
- Package includes: 1× 20000mAh Power Bank, 1× User Manual. No additional cables or converters included.
- Customer support is available 7 days a week with responses within 24 hours.
