Introduction
Thank you for choosing the Charmast 30000mAh Power Bank. This high-capacity portable charger is designed to provide reliable and fast charging for your electronic devices on the go. With its advanced Power Delivery (PD) and Quick Charge (QC) technologies, multiple output ports, and an intuitive LED display, it ensures your devices stay powered throughout the day.
Product Features
- Ultra-High Capacity: 30000mAh battery provides multiple charges for smartphones, tablets, and other USB-powered devices.
- 20W Power Delivery (PD): Fast charging for compatible USB-C devices, including iPhones and iPads.
- 18W Quick Charge (QC): Rapid charging for Android smartphones and other QC-compatible devices via USB-A ports.
- Multi-Device Charging: Equipped with two USB-A outputs and one USB-C input/output, allowing simultaneous charging of up to three devices.
- Digital LED Display: Clear display shows the exact remaining battery percentage.
- Universal Compatibility: Supports a wide range of devices, from smartphones and tablets to low-current devices like AirPods and smartwatches.
Image: The Charmast 30000mAh Power Bank, showcasing its massive internal battery capacity.
Image: The power bank providing 20W quick charge to a smartphone, illustrating its fast charging capability.
Image: The power bank simultaneously charging an iPhone, a Samsung Galaxy phone, and an iPad Pro, demonstrating its multi-output functionality.
Setup
Charging the Power Bank
Before first use, fully charge your Charmast Power Bank. It is recommended to use a 20W PD compatible wall charger for the fastest recharge time (approximately 9 hours).
- Connect a USB-C cable to the USB-C Input/Output port on the power bank.
- Connect the other end of the USB-C cable to a compatible wall charger.
- Alternatively, you can use a Micro USB cable to charge via the Micro USB Input port.
- The LED display will show the charging progress, indicating 100% when fully charged.
Image: The power bank connected to a wall adapter via a USB-C cable for recharging, highlighting the 20W fast recharge capability.
Operating Instructions
Charging Your Devices
- Connect your device's charging cable to one of the power bank's output ports (USB Output 1, USB Output 2, or USB-C Input/Output).
- The power bank will automatically begin charging your device. The LED display will show the remaining battery percentage.
- To check the battery level, briefly press the power button on the side of the power bank.
Low Current Mode
For charging low-power devices such as Bluetooth earbuds, smartwatches, or fitness trackers, the power bank features a low current mode to prevent overcharging or insufficient current delivery.
- To activate low current mode: Press and hold the power button for approximately 3 seconds until a small indicator appears on the LED display (e.g., a small 'L' or a specific icon).
- Connect your low-current device.
- To exit low current mode: Press and hold the power button again for 3 seconds, or simply disconnect all devices and the power bank will automatically revert to standard mode after a short period of inactivity.
Image: A detailed diagram illustrating the LED display, power button, USB Output 1, USB Output 2, Micro USB Input, and USB-C Input/Output ports on the power bank.
Image: A numbered diagram indicating the location of USB Output 1, USB Output 2, USB-C Input/Output, Micro USB Input, LED Display, and Power Button.
Maintenance
- Keep the power bank away from extreme temperatures, direct sunlight, and liquids.
- Store in a cool, dry place when not in use.
- Avoid dropping or subjecting the power bank to strong impacts.
- Clean the surface with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- For optimal battery life, fully charge the power bank at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging devices. | Power bank battery is depleted. Cable is faulty. Device is not compatible. | Recharge the power bank. Try a different charging cable. Ensure your device is compatible with USB charging. |
| Power bank not recharging. | Charging cable or wall adapter is faulty. Charging port is dirty. | Try a different charging cable and wall adapter. Clean the charging ports gently with a dry, soft brush. |
| Low-power devices (e.g., earbuds, smartwatches) stop charging or don't charge. | Not in low current mode. | Activate low current mode by pressing and holding the power button for 3 seconds. |
| Slow charging speed. | Cable or adapter not supporting fast charge. Device not supporting fast charge. | Use a high-quality, fast-charging compatible cable and wall adapter. Ensure your device supports PD or QC fast charging. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | C3007P-US |
| Battery Capacity | 30000 Milliamp Hours (mAh) |
| Battery Cell Composition | Polymer |
| USB-C Input/Output | 20W Max (PD) |
| Micro USB Input | 18W Max |
| USB Output 1 | 18W Max (QC) |
| USB Output 2 | 18W Max (QC) |
| Product Dimensions | 6.73 x 2.81 x 0.98 inches |
| Item Weight | 1.28 pounds |
Packing List
The following items are included in your Charmast 30000mAh Power Bank package:
- Charmast 30000mAh Power Bank
- USB-A to USB-C Charging Cable
- User Manual (this document)
- Mesh Carrying Pouch
Image: Contents of the Charmast Power Bank package, including the power bank, charging cable, user manual, and mesh pouch.
Warranty and Support
Charmast products come with a standard manufacturer's warranty. For detailed warranty information, product support, or technical assistance, please refer to the contact information provided in the packaging or visit the official Charmast website. Please retain your proof of purchase for warranty claims.