Battery pack Cameron Sino for Philips SD80/SD93 outdoor speaker — Li-ion INR18650 4S2P (replacement SB11035)

Replacement battery pack manufactured by Cameron Sino for Philips SD80 and SD93 outdoor speakers. Configured with lithium‑ion INR18650 cells in a 4S2P arrangement, this rechargeable battery pack is designed to provide the voltage and usable capacity required to restore portable operation of compatible outdoor speaker models. The pack is intended as a direct-fit replacement to recover runtime and maintain the mobility of the audio unit.

Advantages

This replacement battery pack delivers a compact, rechargeable power source that matches the cell chemistry and series/parallel configuration used in the original device. The Li‑ion INR18650 cells provide stable discharge characteristics suitable for audio playback loads, while the 4S2P arrangement supplies the combined voltage and capacity needed for continuous operation. The pack is built to be a form- and function-compatible option for maintenance and replacement tasks.

Suitable for

• Restoring battery life in compatible Philips SD80 and SD93 outdoor speakers
• Replacing degraded or non-functional rechargeable battery modules in portable outdoor audio systems
• Field repairs or scheduled battery maintenance to recover runtime and portability

Key specifications

• Cell type: lithium‑ion INR18650
• Configuration: 4S2P (four cells in series, two parallel strings)
• Chemistry characteristics: stable discharge profile suitable for audio playback
• Form factor: compact battery pack designed for direct replacement in listed speaker models
• Rechargeable: yes, designed for repeated charge/discharge cycles typical of portable use

How to use

Power down the speaker and disconnect any external power sources or cables before attempting replacement. Remove the speaker's battery compartment cover or access panel according to the manufacturer's instructions and carefully extract the old battery pack. Install the Cameron Sino replacement pack in the same orientation and secure any connectors or fasteners as originally fitted. After reassembly, perform a full charge cycle following the speaker manufacturer's charging guidance before normal use to ensure proper conditioning.

Usage recommendations

Use only the specified battery type and configuration for safe operation. Charge and store the battery pack within ambient temperature ranges recommended for lithium‑ion cells, avoid prolonged exposure to high temperatures, and follow the speaker manufacturer's instructions for charging, storage, and disposal of rechargeable batteries. If you are not confident performing the replacement yourself, seek assistance from a qualified service technician.