Introduction
The Bluesound BP100 Battery Pack is designed to provide portable power to your Pulse Flex speaker, enabling wireless audio playback in various locations. This manual provides essential information for the proper installation, operation, and maintenance of your BP100 Battery Pack.
Safety Information
- Do not expose the battery pack to extreme temperatures, direct sunlight, or fire.
- Avoid dropping or subjecting the battery pack to severe impacts.
- Do not disassemble, modify, or attempt to repair the battery pack. Refer servicing to qualified personnel.
- Keep the battery pack away from water and other liquids.
- Dispose of used batteries according to local regulations. Do not dispose of in household waste.
- Ensure proper ventilation when charging.
Setup
The BP100 Battery Pack is designed for easy attachment to your Bluesound Pulse Flex speaker.
Attaching the Battery Pack
- Ensure your Pulse Flex speaker is powered off and unplugged from the AC power source.
- Align the BP100 Battery Pack with the back of the Pulse Flex speaker. The electrical contacts on the battery pack should align with the corresponding contacts on the speaker.
- Gently slide the battery pack into place until it clicks securely. Ensure there is no gap between the battery pack and the speaker.

Image: The BP100 Battery Pack is shown being attached to the rear of the Pulse Flex speaker, highlighting the connection mechanism.
Initial Charging
Before first use, fully charge the BP100 Battery Pack while it is attached to the Pulse Flex speaker. Connect the Pulse Flex speaker to its AC power adapter. The battery pack will charge automatically. A full charge can take approximately 18 hours if the battery is completely depleted.
Operating the Battery Pack
Powering On/Off
Once attached, the BP100 Battery Pack powers the Pulse Flex speaker. The speaker's power button controls both the speaker and the battery pack's power state. When the speaker is unplugged from AC power, the battery pack will automatically supply power.
Battery Life
A fully charged BP100 Battery Pack provides approximately six hours of continuous listening, depending on volume levels and usage. Battery life may vary.

Image: The Pulse Flex speaker, powered by the BP100 Battery Pack, is shown in an outdoor setting, demonstrating portability.
Charging During Use
The BP100 Battery Pack charges whenever the Pulse Flex speaker is connected to its AC power adapter, regardless of whether the speaker is in use or standby mode. This allows for convenient charging while enjoying your music.
Maintenance
Battery Replacement
The BP100 Battery Pack contains eight rechargeable NiMH AA batteries. These batteries have a finite lifespan, typically 1-2 years depending on usage. If you experience significantly reduced battery life, the internal AA batteries may need replacement. To replace them:
- Power off the Pulse Flex speaker and disconnect it from AC power.
- Carefully detach the BP100 Battery Pack from the speaker.
- Locate the access door on the back of the battery pack. Open this door to reveal the eight AA batteries.
- Remove the old batteries and insert new, high-quality rechargeable NiMH AA batteries, ensuring correct polarity.
- Close the access door and reattach the battery pack to the Pulse Flex speaker.
- Fully charge the new batteries before first use.

Image: The back of the BP100 Battery Pack, illustrating the access panel for battery replacement.
Cleaning
Wipe the battery pack with a soft, dry cloth. Do not use liquid cleaners or solvents.
Storage
If storing the battery pack for an extended period, ensure it is partially charged (around 50%) and store it in a cool, dry place. Avoid storing it completely depleted or fully charged for long durations to prolong battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery pack not charging. |
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| Short battery life. |
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| Battery pack does not connect or power the speaker. |
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Specifications
| Model Name | BP100 BLK |
| Model Number | BP100 Black |
| Brand | Bluesound |
| Battery Cell Composition | NiMH |
| Number of Batteries | 8 (AA NiMH, internal) |
| Reusability | Rechargeable |
| Voltage | 3.7 Volts (system voltage) |
| Item Dimensions (L x W x H) | 10 x 13 x 6 inches (Note: This dimension likely refers to packaging. Actual product dimensions are designed to fit the Pulse Flex speaker.) |
| Item Weight | 0.4 Pounds |
| Manufacturer | Lenbrook Group |
| UPC | 786357000459 |
| GTIN | 00786357000459, 05703120290522 |
Warranty Information
The Bluesound BP100 Battery Pack is covered by a 1-Year Limited Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear of consumable parts like the internal rechargeable batteries beyond their expected lifespan. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or warranty inquiries, please visit the official Bluesound website or contact their customer service department. You can find contact details and support resources at:
Bluesound Official Website: www.bluesound.com/support
Please have your product model (BP100) and proof of purchase ready when contacting support.







