1. Introduction
Thank you for choosing the NEWBOLER Electric Scooter and Bike Bag. This manual provides detailed instructions for the installation, operation, and maintenance of your new bag. Please read this manual carefully before use to ensure proper function and longevity of the product.
Video: Product Overview and Installation Guide
2. Product Overview
The NEWBOLER scooter and bike bags are designed to provide convenient storage for your essentials during rides. They feature durable EVA+PU hard shell construction and are available in various capacities and fixing methods to suit different needs.

Image: NEWBOLER 5L Electric Scooter Bag
2.1 Model Comparison

Image: Model Comparison Table
| Feature | BAG845 | BAG843 | BAG239 |
|---|---|---|---|
| Capacity | 0.7L | 3L / 5L | 3L / 5L |
| Size (cm) | 7.5*8.5*24 | 3L: 25*8*10, 5L: 29*12*10 | 3L: 25*8*11, 5L: 30*11*14 |
| Weight | 138g | 3L: 250g, 5L: 300g | 3L: 180g, 5L: 250g |
| Fabric | EVA + PU | EVA + PU | EVA + PU |
| Features | Magic Tape fastening without straps | Quick detachable type | Magic Tape fastening without straps |
| USB Charging Port | No | Yes | No |
Note: Sizes are measured manually; slight deviations may occur.
3. Installation
3.1 For Models with Quick Release Bracket (e.g., BAG843)
The BAG843 model features a quick-release bracket for easy attachment and detachment.

Image: Quick Release Bracket Installation Steps
- Step 1: Place the quick release bracket on the stem of your scooter or bike.
- Step 2: Pass the first strap through the bracket, then pass the second strap through the bracket as well.
- Step 3: Insert a screw between the bracket and the strap, and then tighten it securely with the provided wrench.
- Step 4: Tighten the second screw as well to ensure the bracket is firmly attached.
- Step 5: Align the bag with the installed bracket position and slide it smoothly downwards to snap it into place.
- Step 6: Verify that the bag is securely attached. Installation is complete!
3.2 For Models with Magic Tape Fastening (e.g., BAG845, BAG239)
Models BAG845 and BAG239 use magic tape (Velcro) straps for fastening.
- Position the bag on the stem or handlebar of your scooter/bike.
- Wrap the magic tape straps around the stem/handlebar and secure them firmly.
- Ensure the bag is stable and does not obstruct steering or controls.

Image: Bags suitable for various models
4. Key Features
4.1 Built-in USB Port (BAG843 only)
The BAG843 model includes a built-in USB port, allowing you to connect a power bank inside the bag and charge your phone or other devices while riding. This feature ensures your devices stay powered throughout your journey.

Image: Built-in USB Port for charging

Image: Internal view with power bank (power bank not included)
4.2 Hard Shell Design
All NEWBOLER bags feature an EVA+PU hard shell design, providing excellent protection for your belongings against impacts and external elements.

Image: Upgraded Hard Shell Design with Handheld Strap
4.3 Rainproof Fabric and Zipper
The bags are constructed with rainproof EVA+PU fabric and feature rainproof zippers to protect your items from light rain and splashes. However, please note that these bags are sewing products and are not completely waterproof. They are not suitable for prolonged exposure to heavy rain or being submerged in water.

Image: Rainproof Fabric Detail
4.4 Internal Organization
The bags include built-in barriers and mesh pockets for easy classification and organization of your items, preventing them from shifting during transit.

Image: 5.0L Capacity with Multiple Inner Pockets
4.5 Handheld Strap Design
The bags are equipped with a portable carrying strap, allowing them to be easily lifted and carried anywhere once detached from your vehicle.

Image: Handheld Strap Design
5. Usage
5.1 Carrying Essentials
The bags are designed to carry daily essentials such as phones, wallets, keys, small tools, and cycling gear. The anti-drop design of the double-sided zipper and large opening ensures items are secure and easily accessible.
5.2 USB Charging (BAG843 only)
For BAG843, place your power bank inside the bag and connect it to the internal USB cable. Then, connect your phone to the external USB port for convenient charging while riding. This design does not interfere with the use of a phone holder on your handlebars.

Image: Phone charging via built-in USB port
6. Maintenance
- Cleaning: Wipe the exterior of the bag with a damp cloth and mild soap. Do not use harsh chemicals or abrasive cleaners.
- Drying: Allow the bag to air dry completely before storing. Do not expose to direct sunlight for prolonged periods.
- Water Exposure: While rainproof, avoid prolonged exposure to heavy rain or submerging the bag in water to prevent damage to contents and materials.
- Storage: Store the bag in a cool, dry place when not in use.
7. Troubleshooting
- Bag feels loose after installation: Ensure all straps or screws are tightened securely. For quick-release models, confirm the bag is fully snapped into the bracket.
- USB port not charging (BAG843): Check if the power bank inside the bag is charged and properly connected to the internal USB cable. Ensure your device is correctly connected to the external USB port.
- Difficulty zipping/unzipping: Ensure no fabric or items are obstructing the zipper path. Apply a small amount of zipper lubricant if necessary.
8. Detailed Specifications
| Specification | Detail |
|---|---|
| Material | EVA + PU Hard Shell |
| Water Resistance | Rainproof fabric and zipper (not fully waterproof) |
| Reflective Design | Yes, for improved nighttime safety |
| Internal Structure | Built-in barriers and mesh pockets |
| Carrying Handle | Yes |
| Origin | Mainland China |
| High-concerned chemical | None |
8.1 Product List (BAG843)

Image: BAG843 Product List
- Bag x 1
- Fixed straps x 2
- Screw x 3
- Screw wrench x 1
- Strap fixing buckle x 2
- Bracket patch x 1
- Quick disassembly bracket x 1
8.2 Product List (BAG239)

Image: BAG239 Product List
- Bag x 1
- Fixed straps x 2
- Screw x 3
- Screw wrench x 1
- Strap fixing buckle x 2
- Bracket patch x 1
- Quick disassembly bracket x 1
9. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the seller directly through the platform where you purchased the item. Keep your purchase records for reference.