1. Introduction
Thank you for choosing the BANGE Business Smart Backpack. This manual provides detailed instructions for the proper use, care, and maintenance of your new backpack. Designed for durability and functionality, this backpack is suitable for business, travel, and daily use, accommodating laptops up to 15.6 inches.

Image: Front view of the BANGE Business Smart Backpack.
2. Key Features
- Waterproof Material: Constructed from high-density coated Oxford fabric, offering water resistance and scratch protection.
- Multiple Compartments: Features a 180° opening front pocket, a main pocket, and a dedicated laptop compartment.
- Laptop Compatibility: The laptop compartment is designed to securely hold laptops up to 15.6 inches.
- Integrated USB Charging Port: Allows for convenient charging of devices on the go (power bank not included).
- Ergonomic Design: Equipped with durable YKK zippers, multi-function shoulder straps with a card pocket, and a glasses hang buckle for comfort and accessibility.
- Anti-Theft Pocket: A discreet pocket located on the back for securing valuables.
- Luggage Strap: Integrated strap for attaching the backpack to luggage handles, ideal for travel.

Image: Overview of the backpack's internal compartments, including the front pocket, main pocket, and laptop compartment.

Image: The backpack being used in different settings, highlighting its versatility for office, leisure, travel, and daily activities.
3. Setup Instructions
3.1. USB Charging Port Connection
- Locate the internal USB cable inside the backpack's main compartment.
- Connect your personal power bank (not included) to this internal USB cable.
- To charge your device, connect your charging cable to the external USB port on the side of the backpack.
- Ensure your power bank is charged and functioning correctly for optimal charging.

Image: Visual guide for connecting a power bank internally and charging a device externally via the USB port.
3.2. Adjusting Shoulder Straps
Adjust the shoulder straps to ensure a comfortable and secure fit. The straps feature a card pocket for quick access to cards and a buckle for hanging glasses.

Image: The padded back panel and shoulder straps designed for comfort and breathability.
4. Operation and Usage
4.1. Organizing Compartments
- Front Pocket: Ideal for items requiring quick access, such as casual shoes, a small kettle, umbrella, or magazines. This pocket opens 180 degrees for easy packing.
- Main Pocket: Suitable for clothing (can hold 4-5 items), headphones, and other larger essentials.
- Laptop Compartment: Designed with 180° opening for easy insertion and removal of a 15.6-inch laptop. This section also includes additional pockets for tablets or documents.
- Anti-Theft Back Pocket: Use this hidden pocket for valuable items like wallets, passports, or phones for enhanced security.

Image: The spacious front pocket, demonstrating its capacity for items like shoes.

Image: The dedicated laptop compartment, showing space for a laptop and other devices.
4.2. Travel Features
- Luggage Strap: Utilize the integrated strap on the back panel to secure the backpack to the handle of your rolling luggage for convenient transport through airports or stations.
- Anti-Sweat Back Panel: The breathable back padding helps reduce perspiration during extended wear.

Image: The backpack secured to a luggage handle using its integrated strap, demonstrating a travel feature.
5. Care and Maintenance
- Cleaning: For general cleaning, wipe the exterior with a damp cloth. For stubborn stains, use a mild soap solution and rinse thoroughly with a damp cloth. Do not machine wash or tumble dry.
- Water Resistance: While the material is waterproof, avoid submerging the backpack in water to protect contents, especially electronic devices.
- Zipper Care: Keep zippers clean and free of debris. If zippers become stiff, apply a small amount of zipper lubricant or wax.
- Storage: Store the backpack in a cool, dry place away from direct sunlight when not in use.

Image: Detail of the durable YKK zippers used on the backpack.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| USB charging port not working. | Power bank not connected or discharged. Cable connection loose. Device charging cable faulty. | Ensure power bank is fully charged and correctly connected to the internal USB cable. Check all cable connections are secure. Try a different charging cable for your device. |
| Zippers are stiff or stuck. | Dirt or debris in zipper teeth. Lack of lubrication. | Clean zipper teeth with a small brush. Apply zipper lubricant or a small amount of wax (e.g., candle wax) to the teeth. |
| Backpack feels uncomfortable. | Shoulder straps incorrectly adjusted. Overloaded backpack. | Adjust shoulder straps to distribute weight evenly. Ensure the backpack sits comfortably on your back. Reduce the load if the backpack is too heavy. |
7. Product Specifications
- Model Number: 2517
- Dimensions (L x H x W): 12.2" x 18.9" x 5.5" (31cm x 48cm x 14cm)
- Product Dimensions (Amazon): 5.91 x 13.78 x 17.72 inches
- Weight: 2.65 lbs (1.2 kg) / Amazon: 2.49 pounds (1.13 Kilograms)
- Material: High-density coated Oxford fabric
- Laptop Compatibility: Up to 15.6 inches
- Capacity Total: Approximately 3 Liters (Note: This capacity may refer to a specific compartment or be a general rating. The backpack is designed to hold more, including 4-5 clothes and a laptop.)
- Features: Waterproof, USB Charging Port, Multiple Pockets, Anti-Theft Pocket, Luggage Strap, YKK Zippers
8. Warranty and Support
BANGE products undergo rigorous quality inspection. If you encounter any issues or have questions regarding your BANGE Business Smart Backpack, please contact our customer support team. We are committed to resolving your concerns within 24 hours.
For support, please visit the BANGE Store on Amazon or refer to your purchase documentation for direct contact information.
This item is not intended for use by children 12 and under.





