Description
The LP65-12 (12V 65Ah) is a high-capacity, professional-grade Sealed Lead-Acid (SLA) battery utilizing AGM (Absorbent Glass Mat) technology. This size is commonly used in industrial, medical, and robust backup power applications.
Technical Specifications
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Nominal Voltage: 12V
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Nominal Capacity: 65Ah (at a 20-hour rate)
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Technology: VRLA / AGM (Maintenance-free, spill-proof)
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Typical Dimensions: Approximately 350mm (L) x 167mm (W) x 179mm (H).
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Weight: Approximately 20kg – 22kg.
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Terminal Type: Typically M6 or M8 bolt-down (Insert) terminals.
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Design Life: Often rated for 5–10 years in standby/float service (at 25°C).
Key Features
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Maintenance-Free: Sealed construction eliminates the need for water or electrolyte maintenance.
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High Energy Density: Compact design for its capacity, optimized for efficient power delivery.
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Safety: Features a one-way pressure-relief valve for gas recombination and spill-proof operation.
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Reliability: Engineered for a stable discharge curve, critical for sensitive electronics and UPS hardware.
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Versatile: Can be mounted in any orientation (except upside down) due to the immobilized electrolyte.
Typical Applications
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UPS Systems: Reliable backup power for server rooms, large home/office workstation clusters, and telecommunications hubs.
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Medical Equipment: Powering heavy-duty diagnostic equipment, infusion pumps, and electric patient lifts.
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Solar/Renewable Energy: Small-to-medium 12V energy storage systems for off-grid lighting and appliances.
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Mobility: Commonly used in pairs or series for electric wheelchairs, scooters, and industrial floor scrubbers.
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Emergency Power: Backup for commercial fire alarm systems and large-scale emergency lighting arrays.
Maintenance & Usage Tips
Note on Compatibility: Due to its weight and physical size, ensure your battery rack or enclosure is structurally sound. Always measure your compartment to confirm it fits the 350mm x 167mm x 179mm dimensions.
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Charging: Use a smart charger compatible with AGM/SLA batteries.
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Standby/Float Voltage: 13.5V – 13.8V.
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Cycle Use Voltage: 14.4V – 14.9V.
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Avoid Deep Discharge: Never discharge the battery below 10.5V. Frequent deep cycles will significantly shorten its service life.
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Storage: If the battery must be stored for more than 3 months, ensure it is fully charged and store it in a cool, dry place. Perform a “freshening charge” every 3–6 months to prevent internal sulfation.
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Terminal Connections: Because this is a high-capacity battery, terminal connections must be tight. Loose M6/M8 bolts can cause high-resistance heating, which may melt the plastic casing or damage the terminals.

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