PowerWalker MHB MS7-6 12V 7Ah VRLA-akku UPS-järjestelmiin

When a small office UPS starts beeping during a power cut, the culprit is often a worn-out battery. The PowerWalker MHB MS7-6 is a direct replacement VRLA battery that restores full backup runtime to compatible PowerWalker UPS units, security panels, and emergency lighting. With a 12V 7Ah capacity and maintenance-free AGM design, it fits into tight battery compartments and delivers reliable standby power for years.

Key specifications

• Battery technology: VRLA (Valve Regulated Lead Acid) / AGM, maintenance-free
• Nominal voltage: 12 V
• Nominal capacity: 7 Ah (C20 rate)
• Terminal type: F1 (Faston 187)
• Design life: 3–5 years in standard commercial use
• Max discharge current: 105 A (5 sec)
• Internal resistance: approx. 25 mΩ
• Float charging voltage: 13.5–13.8 VDC at 25°C
• Cycle charging voltage: 14.4–15.0 VDC at 25°C
• Operating temperature (discharge): -15°C to 50°C
• Operating temperature (charge): -15°C to 40°C
• Recommended operating temperature: 25°C ± 3°C
• Self-discharge rate: less than 3% per month at 20°C
• Container material: ABS
• Primary applications: UPS systems, security systems, emergency lighting

Why choose it

This battery is engineered for dependable standby service. The AGM construction immobilizes the electrolyte, preventing leaks and allowing operation in any orientation. Low self-discharge means it holds its charge during long periods of inactivity, while the rugged ABS case resists impact and vibration. Replacing your old battery with the MHB MS7-6 restores UPS runtime and protects connected equipment from unexpected shutdowns.

Ideal use cases

• Replacement battery for PowerWalker UPS models that use a 12V 7Ah battery
• Backup power for small security systems, access control panels, and alarm systems
• Emergency lighting and exit signs requiring a 12V sealed lead-acid battery
• Other devices with a 12V 7Ah VRLA battery and F1 terminals

Good to know

Always verify the dimensions and terminal orientation of your existing battery before ordering. The MHB MS7-6 uses F1 (Faston 187) spade terminals, which are common but not universal. For optimal lifespan, keep the battery within the recommended temperature range and recharge it after each discharge. This battery is classified as a sealed lead-acid battery and may be subject to transport regulations; check local rules for shipping.