Description
The PS5-6 (6V 5Ah) is a common designation for a Sealed Lead-Acid (SLA) rechargeable battery, utilizing AGM (Absorbent Glass Mat) technology. While “PS5-6” is a standard model name, you will often find it manufactured by various companies, and versions “Made in Malaysia” are indeed available in the market.
Product Description
The PS5-6 is a maintenance-free, valve-regulated lead-acid (VRLA) battery. The AGM technology suspends the electrolyte within a fiberglass mat, which keeps the battery spill-proof and leak-proof. This design allows the battery to be used in various orientations (except upside down) and makes it safe for use in indoor environments.
Technical Specifications
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Nominal Voltage: 6V
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Nominal Capacity: 5Ah (sometimes rated at 4.5Ah depending on the discharge rate)
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Technology: VRLA / AGM
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Typical Dimensions: Approximately 70mm x 48mm x 102mm (length x width x height)
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Terminal Type: Typically T1 (Faston 187), which is a 4.75mm wide spade terminal.
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Operating Temperature: Generally -15°C to 50°C.
Key Features
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Maintenance-Free: No water or fluid topping required.
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Stable Discharge: Engineered for consistent voltage output, which is critical for sensitive electronics.
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Rugged Build: Housed in high-impact ABS plastic to resist vibration and environmental stress.
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Low Self-Discharge: Suitable for backup applications where it may sit in standby for long periods, though regular trickle charging is recommended.
Typical Applications
Due to its 6V output and 5Ah capacity, this battery is a staple for:
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Emergency Lighting: Powering exit signs and emergency floodlights.
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Security Systems: Backup power for home and commercial alarm control panels.
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Medical Equipment: Powering portable diagnostic devices or mobility aids.
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Telecommunications: Used in small signal or communication stations.
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Hobby/DIY: Frequently used in small motorized toys or electronic prototyping projects.
Important Maintenance & Usage Tips
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Charging: Use a charger specifically designed for 6V SLA/AGM batteries. Using an incorrect voltage charger will cause the battery to swell or fail prematurely.
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Depth of Discharge: To prolong the life of the battery, try not to discharge it below 50% capacity. Recharge promptly after use.
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Storage: If the battery is going to be stored for a long period, ensure it is fully charged before storage and charge it every 3–6 months to prevent “sulfation” (a hardening of the lead plates that ruins capacity).
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Compatibility: Even if a battery is labeled “PS5-6,” dimensions can occasionally vary by a few millimeters between different brands. Measure your current battery compartment before purchasing a replacement to ensure it fits perfectly.

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