PK55-12 12V 55AHG made in Malaysia

Description

The PK55-12 (12V 55Ah) is a high-performance Sealed Lead-Acid (SLA) battery using AGM (Absorbent Glass Mat) technology. While “PK55-12” is a standard model designation often associated with the Power Kingdom brand, many manufacturers produce this exact specification in Malaysia and other regions.

The “G” in your inquiry (55AHG) typically refers to specific production batches or series codes used by different factories to denote their “General Purpose” or “Deep Cycle” variants.

Technical Specifications

• Nominal Voltage: 12V

• Nominal Capacity: 55Ah (at the 10-hour rate)

• Technology: VRLA / AGM (Maintenance-free, spill-proof)

• Typical Dimensions: Approximately 229mm (L) x 138mm (W) x 210mm (H).

• Weight: Approximately 16kg – 17.5kg.

• Terminal Type: Typically M6 or M8 bolt-down (Insert) terminals.

• Design Life: Often rated for up to 10 years in standby (float) service.

Key Features

• Maintenance-Free: The sealed construction eliminates the need to add water or electrolyte.

• High Performance: Optimized for low internal resistance, providing excellent discharge rates for high-load applications like UPS startup.

• Safety: Incorporates a pressure-relief valve for gas recombination, preventing pressure buildup.

• Reliability: Built with high-purity lead to ensure a long shelf life and consistent power delivery.

Typical Applications

• UPS Systems: Reliable backup power for mid-to-large home/office workstations, server rooms, and telecommunications equipment.

• Solar & Off-Grid Energy: Frequently used in small-scale 12V battery banks for lighting or off-grid power storage.

• Mobility & Medical: Powering electric wheelchairs, motorized carts, and portable medical diagnostic hardware.

• Emergency Infrastructure: Used in large-scale fire alarm systems, emergency lighting arrays, and signaling devices.

Important Maintenance & Selection Tips

Note: If you are replacing a battery, the physical dimensions are critical. Even among 55Ah batteries, slight variations exist. Always measure your compartment to ensure the 229mm x 138mm x 210mm footprint fits your specific unit.

• Charging: Use a charger specifically rated for AGM/SLA batteries.

  • Standby/Float Voltage: 13.5V – 13.8V.

  • Cycle Use Voltage: 14.4V – 15.0V.

• Avoid Deep Discharge: Do not allow the battery to drop below 10.5V. Frequent deep cycles will significantly shorten the battery’s lifespan.

• Storage: If the battery will be stored for more than 3 months, ensure it is fully charged and perform a “freshening charge” every 3–6 months to prevent internal sulfation.

• Connections: Ensure the M6/M8 bolt terminals are tightened securely. Loose connections are a primary cause of battery failure and heat damage at the terminals.