Sealed Lead Acid VRLA battery PowerWalker PWB12-9 — 12 V 9 Ah, 65×99×151 mm

PowerWalker PWB12-9 is a sealed lead acid (VRLA) rechargeable battery providing a nominal voltage of 12 V and a capacity of 9 Ah. The battery is maintenance-free and spillproof, designed for compact installations with dimensions of 65×99×151 mm. It is intended primarily for backup power in UPS units but is also suitable for alarm systems, emergency lighting and other portable or stationary devices that require reliable standby power. The valve-regulated construction and special exhaust structure improve safety and reduce the need for service during normal operation.

Advantages

The PowerWalker PWB12-9 offers high corrosion resistance and a sealing technology that supports high discharge currents while maintaining long service life. Its compact, maintenance-free design simplifies installation and handling and eliminates the need for regular electrolyte checks. The VRLA design makes the battery spillproof and safer for use in enclosed equipment and restricted spaces.

Suitable for

• Uninterruptible Power Supply (UPS) units
• Alarm and security systems
• Emergency and exit lighting
• Portable power packs and small off-grid devices
• Telecommunications backup and monitoring equipment

Key specifications

• Nominal voltage: 12 V
• Capacity: 9 Ah (ampere-hours)
• Battery type: Sealed lead acid (VRLA), valve-regulated
• Construction: Maintenance-free, spillproof
• Dimensions (W×H×L): 65 × 99 × 151 mm
• Designed for high discharge current capability
• Enhanced corrosion resistance and exhaust structure for safety

How to use

Install the PowerWalker PWB12-9 according to the equipment manufacturer’s instructions, observing correct polarity and secure terminal connections. Place the battery in a well-ventilated area and avoid exposure to open flames or high heat sources. This VRLA battery does not require water topping or electrolyte maintenance; periodic visual inspection for physical damage and secure mounting is recommended. Charge the battery using a compatible charger or UPS charging circuit that matches a 12 V VRLA battery charge profile.

Usage recommendations

For optimal service life, store and operate the battery in a cool, dry environment and avoid deep discharges when possible. Use a charger or UPS with an appropriate float and cyclic charge algorithm for sealed lead acid batteries. Replace batteries in matched sets and follow local regulations for battery disposal or recycling.