1. Introduction
This manual provides essential information for the safe and efficient use of your AsperX 2-Pack 15000mAh Portable Charger Power Bank, Model AX1515. Please read these instructions carefully before use and retain for future reference.
2. Product Features
- Upgraded USB-C Input and Output: Features both USB-C input and output ports for broad compatibility.
- 3A High-Speed Charging: Supports faster 5V 3A charging for quick device power-ups.
- 15000mAh Capacity: Provides extended battery life for multiple device charges.
- Wide Compatibility: Charges various devices including phones, tablets, AirPods, Bluetooth headphones, fitness trackers, and smartwatches.
- Multi-Protect Safety System: Incorporates features like over-charging protection for device safety.
- Compact and Portable Design: Designed for easy transport and use on the go.
- LED Indicator Lights: Displays the remaining battery charge level.
3. Package Contents
- 2 x AsperX 15000mAh Portable Chargers
- 2 x USB Cables
- 1 x User Manual
4. Setup and Charging the Power Bank
4.1 Initial Charge
Before first use, fully charge your AsperX Power Bank. Connect the provided USB cable to the power bank's input port (USB-C or Micro-USB) and plug the other end into a compatible USB wall adapter (not included). The LED indicator lights will show the charging progress.
4.2 Checking Battery Level
Press the power button located on the side of the power bank to view the current charge level indicated by the LED lights.

Image: A black AsperX 15000mAh power bank with blue LED indicator lights illuminated, demonstrating its charge level. Multiple charging cables are connected to various ports, illustrating its multi-device charging capability.
4.3 Important Charging Notes
- Use an adapter or charging cable with a power rating lower than 5V x 3A to charge the battery pack.
- Do not charge the power bank via a computer's USB port for optimal performance.
5. Operating Instructions: Charging Your Devices
To charge your device, connect your device's charging cable to one of the output ports on the AsperX Power Bank (USB-A or USB-C). Connect the other end of the cable to your device. The power bank will automatically begin charging. You can charge multiple devices simultaneously using the available ports.

Image: An AsperX power bank connected via cables to a tablet and two smartphones, all displaying charging icons. This illustrates the 15W fast charging capability and the ability to power three devices at once.

Image: A white AsperX power bank connected to and charging an iPad, an iPhone, a smartwatch, and AirPods Pro, demonstrating its ability to charge multiple diverse devices simultaneously.
5.1 Fast Charging Capability
The power bank supports 3A high-speed charging, allowing for quicker charging times compared to standard chargers. For example, it can charge an iPhone to approximately 78% in one hour.

Image: A visual comparison showing an iPhone charging to 78% in 30 minutes with an AsperX 3A high-speed charger, versus 42% with another charger, highlighting the faster charging speed.
6. Compatibility
The AsperX Power Bank is compatible with a wide range of devices, including:
- All types of phones (e.g., iPhone 17/16/15/14/13, Galaxy, Google, LG)
- Tablets (e.g., iPad)
- Low-power devices such as AirPods, Bluetooth headphones, fitness trackers, and smartwatches.
- Heated vests and other 5V heating devices.

Image: A white AsperX power bank shown alongside various devices it can charge, including different iPhone models, Android phones (Huawei, Samsung, Google), iPads, AirPods, and smartwatches, emphasizing its broad compatibility.
7. Safety Information
- Do not use this product while it is being charged.
- Avoid exposing the power bank to extreme temperatures, direct sunlight, or water.
- Do not disassemble, crush, or puncture the power bank.
- Keep out of reach of children.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | AX1515 |
| Battery Capacity | 15000 Milliamp Hours (mAh) |
| Product Dimensions | 15 x 1.2 x 7 cm |
| Item Weight | 690 g |
| Connector Type | USB Type A, USB Type C |
| Special Features | 3A Fast Charging, LED Indicator Lights, Over Charging Protection, Pocket Size |
| Color | Black+white |
9. Warranty and Support
AsperX offers an industry-leading 24-month warranty for this product. If you have any questions or require support, please feel free to contact us through the retailer's customer service channels.
10. Product Media
10.1 Additional Product Images











