12V 300W High Rate AGM UPS Battery

Description

The Valiant VHD12-300W is a 12V 80Ah high discharge rate AGM battery with a flame-retardant (FR) case, engineered for applications requiring high power output over short discharge periods. Designed for UPS systems, data centres, emergency power systems and critical backup applications, it provides dependable standby power in a sealed, maintenance-free design.

Built with heavy-duty grids, thick plates and specially formulated active material, the VHD12-300W offers low internal resistance, strong high-current performance and a design life of up to 8 years in float service.

Compatible With / Replaces

The VHD12-300W may be a compatible replacement for:

• S12V300
• 12HX300
• XP12-300
• CH12-300W
• HR12-300W

Confirm battery dimensions, terminal position, flame-retardant case requirements and UPS discharge performance before ordering.

Key Features

• High Discharge Performance – Designed to deliver high power output over short discharge periods.
• 80Ah Capacity – Provides dependable backup power for UPS and critical standby applications.
• Flame-Retardant Case – FR case construction for installations requiring a flame-retardant battery enclosure.
• Long Design Life – Designed for up to 8 years in standby/float service under suitable operating conditions.
• Low Internal Resistance – Supports high-current discharge performance.
• Deep Discharge Recovery – Designed to recover from occasional deep discharges in standby applications.
• Operating Temperature Range – Suitable for operation and charging from -15°C to +45°C.
• Maintenance-Free AGM Design – Requires no watering. Periodic inspection and testing should follow the equipment manufacturer’s recommendations.

Common Applications

• Uninterruptible Power Supply (UPS) systems
• Data centres and server rooms
• Emergency Power Systems (EPS)
• Telecommunications equipment
• Critical standby and battery backup systems

Specifications

• Voltage: 12 Volts
• Capacity: 80 Ah
• Power Rating: 300W High-Rate Output
• Chemistry: AGM (Absorbent Glass Mat)
• Length: 10.24″ / 260 mm
• Width: 6.65″ / 169 mm
• Height: 8.31″ / 211 mm
• Height with Terminal: 8.46″ / 215 mm
• Weight: 55.11 lbs / 25 kg
• Terminal Type: M6 Insert Terminal
• Design Life: Up to 8 years in standby/float service
• Data Sheet: VHD12-300W Data Sheet
• Warranty: Valiant VHD Warranty

Need help confirming compatibility? Contact us and we’ll help identify the correct replacement battery for your application.

Frequently Asked Questions

Does this battery have a flame-retardant case?

Yes. This version of the VHD12-300W has a flame-retardant (FR) case. Confirm any specific case classification or certification required by your equipment or installation.

Can this battery replace my UPS battery?

Yes. The VHD12-300W is suitable for many large UPS and backup power systems that require a 12V high-rate AGM battery. Always verify the dimensions, terminal type, and specifications before ordering.

Can this battery be used indoors?

Yes. AGM batteries are sealed and designed to minimize gas venting during normal operation, making them suitable for indoor installations when used with appropriate charging equipment and ventilation.

What applications is this battery best suited for?

This battery is specifically designed for high-rate standby applications including UPS systems, data centres, telecommunications equipment, emergency lighting, and backup power systems.