Powerhouse 12V 3.5Ah Sealed Lead Acid (SLA) Battery – F1 4.8mm
Reliable Compact Backup Power for UPS, Alarms & Communications Systems
Dependable 12V Backup Power You Can Trust
The Powerhouse 12V 3.5Ah SLA Battery is a compact, high-quality sealed lead-acid battery designed for reliable standby and backup power. Commonly used in UPS systems, alarm panels, communications equipment, emergency lighting, and security systems, this battery delivers consistent performance and long service life.
Equipped with 4.8mm (F1) spade terminals, it allows easy, user-replaceable installation in most compatible devices. Its fully sealed, non-spillable construction ensures safe operation when installed in properly ventilated environments.
Key Features
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12V 3.5Ah 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 – Quick and easy replacement in supported equipment
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UPS-Grade Cells – Selected for reliability and extended 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: Temperatures above 65°C can affect the ABS housing. Ensure good ventilation in warm conditions 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: 3.5Ah (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: 1.35kg
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Dimensions: 134(L) × 67(W) × 66(H) mm (including terminals)
Electrical
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Internal Resistance: ~32 mΩ
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Max Discharge Current: 54A (5 seconds)
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Max Charge Current: 1.08A
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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 manufacturers and graded for UPS and critical standby applications. Compared to lower-cost alternatives, they offer better longevity, stable output, and proven reliability, making them ideal for systems where power continuity matters.
