DC 12V 17Ah Public Broadcast PA System Battery Safe Maintenance Free

The GP17-12 is a high-performance Valve Regulated Lead-Acid (VRLA) battery utilizing advanced AGM (Absorbent Glass Mat) technology. Tailored for audio engineering, school/supermarket broadcasting, and emergency voice alarm systems, it is the energy cornerstone that ensures public spaces remain "audible and clear" during any crisis.

Key Specifications

• Model: GP17-12
• Nominal Voltage: 12V
• Nominal Capacity: 17Ah (20HR)
• Design Life: 6 years
• Casing: ABS 

Why GP17-12 is the Ideal Power Source for PA Systems?

• Robust Instantaneous Power Output:
  Audio amplifiers experience sharp current fluctuations when playing deep bass or performing high-power amplification. The ultra-low internal resistance of the GP17-12 responds instantly to these dynamic peaks, preventing audio distortion or stuttering caused by voltage instability.
• Extended Emergency Broadcast Duration:
  During fire emergencies or power outages, the 17Ah capacity supports broadcasting hosts and zone distributors for extended periods. This ensures that evacuation instructions reach every corner of the facility without interruption.
• Clean Current for True Sound Reproduction:
  As a pure DC power source, the battery effectively filters out high-frequency interference found in mains power. Using the GP17-12 significantly reduces background "hum" (AC noise), resulting in more pleasant background music and clearer voice announcements.
• Safe, Reliable, and Maintenance-Free:
  The fully sealed structure prevents acid leakage and gas emissions. It can be safely installed in broadcasting room racks, wall-mounted boxes, or ceiling voids without the need for water topping, greatly reducing long-term labor costs.

Typical Application Scenarios

• Campus & Park Broadcasting: Provides backup power for scheduled bell systems and background music players.
• Emergency Voice Alarm (EVAC): Pairs with voice alarm hosts to automatically switch during power loss, guaranteeing evacuation broadcasts.
• Mall & Hotel Sound Systems: Offers stable DC backup for zone consoles and wireless microphone receivers.
• Mobile PA Solutions: Serves as a portable power solution for small mobile promotional vehicles or temporary outdoor gatherings.