Introduction
Thank you for choosing the JSAUX 10000mAh Battery Pack. This device is designed to extend the playtime of your VR headset, such as the Oculus Quest 3, and provide portable power for other USB-C compatible devices. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new battery pack.
Safety Information
- Do not expose the battery pack to extreme temperatures, direct sunlight, or fire.
- Do not disassemble, modify, or attempt to repair the device.
- Keep the device away from water and other liquids.
- Use only the provided USB-C cable or a certified equivalent for charging.
- Keep out of reach of children.
- Dispose of the battery pack according to local regulations.

Image: Internal view of the JSAUX battery pack, illustrating its multiple protection features including over-charge, over-voltage, over-power, and over-temperature protection.
Package Contents
Verify that all items are present in your package:
- JSAUX 10000mAh Battery Pack (x1)
- USB-C Charging Cable (x1)
Product Features
- Extended VR Playtime: Provides an additional 6-8 hours of VR gaming, depending on usage.
- Ergonomic Neck-Worn Design: Unique design for comfortable wear, reducing head-mounted weight and cable interference.
- Fast Charging: Supports up to 20W Power Delivery (PD) fast charging for efficient power delivery to your devices.
- Universal USB-C Compatibility: Works seamlessly with Meta Quest 3, Meta Quest 2, Pico 4, Pico 4 Pro, HTC Vive, PSVR 2, and other USB-C enabled phones, tablets, and laptops.
- Flexible and Durable: Constructed with skin-friendly, bendable, and twistable materials for enhanced comfort and longevity.
- Intelligent Protection: Built-in chip automatically detects optimal charging performance and protects against over-charge, over-voltage, over-power, and over-temperature.

Image: A user enjoying VR with the JSAUX 10000mAh battery pack, highlighting its capacity to extend playtime.

Image: The JSAUX battery pack shown alongside multiple USB-C devices, including VR headsets, phones, and handheld consoles, emphasizing its broad compatibility.
Setup
- Charge the Battery Pack: Before first use, fully charge the JSAUX battery pack using the provided USB-C cable and a compatible power adapter (not included). Connect the cable to the Type-C1 (Input/Output) port on the battery pack. The indicator lights will show charging progress.
- Wear the Battery Pack: Gently bend the battery pack to fit comfortably around your neck. The flexible design allows for a custom fit.
- Connect to VR Headset: Use the provided USB-C cable to connect the Type-C2 (Output) port of the battery pack to your VR headset's charging port.
- Secure Cables: Ensure cables are routed safely to avoid entanglement during VR use.

Image: A user wearing the JSAUX battery pack, illustrating its adjustable and comfortable fit around the neck while using a VR headset.

Image: A visual comparison highlighting how the JSAUX neck-worn design reduces strain on the cervical spine compared to traditional head-mounted battery solutions.
Operating Instructions
Charging the Battery Pack
- Connect the provided USB-C cable to the Type-C1 (Input/Output) port on the battery pack.
- Plug the other end of the cable into a USB power adapter (e.g., wall charger, computer USB port). For optimal charging speed, use a PD compatible charger.
- The indicator lights will illuminate to show the charging status.

Image: The JSAUX battery pack connected to a power source via its Type-C1 port, demonstrating the PD fast charging capability.
Using as a Power Bank
- Connect your device (VR headset, phone, etc.) to the Type-C2 (Output) port of the battery pack using a USB-C cable.
- The battery pack will automatically begin charging your device.
- The indicator lights will show the remaining battery level of the power bank.

Image: The JSAUX battery pack connected to and charging a smartphone, demonstrating its versatility as a portable power bank.
Indicator Lights
The battery pack features indicator lights to display its charge status:
- Four Lights Solid: 100% charged
- Three Lights Solid: >75% charged
- Two Lights Solid: >50% charged
- One Light Solid: >25% charged
- All Four Lights Flashing Simultaneously: Input/Output Anomaly (Error)

Image: Detailed view of the JSAUX battery pack's indicator lights, explaining what each light pattern signifies regarding battery level and potential anomalies.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the battery pack in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to about 50-75% every three months to maintain battery health.
- Cable Care: Avoid bending or twisting the USB-C cable excessively to prevent damage.

Image: The JSAUX battery pack shown in a flexible, twisted state, highlighting its durable and adaptable material for comfortable use and storage.
Troubleshooting
- Device not charging from battery pack:
- Ensure the battery pack is sufficiently charged.
- Verify the USB-C cable is securely connected to both the battery pack's Type-C2 (Output) port and your device.
- Try a different USB-C cable to rule out cable malfunction.
- Check if your device is compatible with USB-C charging.
- Battery pack not charging:
- Ensure the USB-C cable is connected to the Type-C1 (Input/Output) port.
- Verify the power adapter is working and properly connected to a power source.
- Try a different USB-C cable and power adapter.
- If all four indicator lights are flashing, there might be an input anomaly. Disconnect and reconnect the charger.
- Reduced playtime extension:
- The actual playtime extension depends on the power consumption of the VR game or application. More demanding games consume more power.
- Ensure the battery pack is fully charged before use.
- Over time, all rechargeable batteries experience some capacity degradation.
Specifications
| Model Number | PB2004A |
|---|---|
| Battery Capacity | 10000mAh |
| Battery Composition | Lithium |
| Output Wattage | 20 Watts (Max) |
| Connector Type | USB Type-C |
| Weight | 137 Grams |
| Manufacturer | JSAUX |
| Country of Origin | China |
Warranty and Support
JSAUX provides an 18-month worry-free period for this product. If you encounter any issues or have questions, please contact our 24/7 customer service. We are committed to resolving your concerns within 24 hours.
For support, please visit the official JSAUX website or contact us through your purchase platform.
Product Video
Video: An overview of the JSAUX 10000mAh Battery Pack, demonstrating its features, ergonomic design, and compatibility with VR headsets and other USB-C devices.