Powerhouse 12V 2.9Ah Sealed Lead Acid (SLA) Battery – F1 4.8mm
Reliable Compact Backup Power for UPS, Alarms & Communications Systems
Dependable 12V Backup Power in a Compact Form
The Powerhouse 12V 2.9Ah SLA Battery is a high-quality, compact sealed lead-acid battery designed to provide reliable backup power for a wide range of 12V equipment. Commonly used in UPS systems, alarm panels, communications equipment, emergency systems, and security devices, this battery delivers consistent performance and dependable standby life.
Fitted with 4.8mm (F1) spade terminals, it is user-replaceable in most compatible devices. The fully sealed, non-spillable construction ensures safe operation in enclosed environments when properly ventilated.
Key Features
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12V 2.9Ah Capacity – Ideal for backup and standby power applications
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Sealed Lead Acid (SLA) Design – Maintenance-free and non-spillable
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F1 4.8mm Terminals – Easy replacement in compatible equipment
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UPS-Grade Cells – Selected for reliability and longer service life
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ActivFire Listed (afp3824) – Suitable for compliant fire and safety systems
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IEC Compliant – Conforms to IEC 60896-21 & IEC 60896-22 standards
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UN 2800 Rated – Non-spillable, Hazard Class 8
⚠️ Important: Excessive temperatures above 65°C can affect the ABS housing. Ensure good ventilation and do not install in engine bays.
Ideal Applications
- UPS (Uninterruptible Power Supply) systems
- Alarm and security systems
- Communications and networking equipment
- Emergency lighting
- Fire panels and safety systems
- General 12V standby power applications
Technical Specifications
General
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Nominal Voltage: 12V
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Capacity: 2.9Ah (20-hour rate @ 10.5V)
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Cells Per Unit: 6
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Battery Life: 3–5 years (standby use)
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Terminal Type: F1 / 4.8mm spade
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Container Material: ABS
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Weight: 1.1kg
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Dimensions: 79(L) × 56(W) × 107(H) mm (including terminals)
Electrical
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Internal Resistance: ~34 mΩ
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Max Discharge Current: 43.5A (5 seconds)
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Max Charge Current: 0.87A
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Charge Voltage: 14.4V – 15.0V
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Float Voltage: 13.5V – 13.8V
Temperature Ranges
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Charging: 0°C to 40°C
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Discharge: –15°C to 50°C
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Storage: –15°C to 40°C
Why Choose Powerhouse SLA Batteries?
Powerhouse SLA batteries are sourced from trusted suppliers and graded specifically for UPS and standby applications. Unlike cheaper alternatives, they offer better longevity, stable output, and proven reliability, making them a smart choice for critical power backup systems.
