Power-sonic PS-1290F2 Lead Acid Battery 12V 9ah

Product Description

The POWER-SONIC PS-1290F2 is a rechargeable sealed lead acid battery rated at 12 volts and 9 ampere-hours (Ah), fitted with quick-disconnect tab terminals. This battery is designed for standby and cyclic power applications where a compact, maintenance-free lead acid cell is required. At 6.4 pounds with an overall footprint of 5.95 inches deep, 2.56 inches wide, and 3.7 inches tall, it fits into tight enclosures without modification. The quick-disconnect tabs measure 0.25 inches wide and 0.031 inches thick, accepting standard push-on connectors for fast, tool-light installation. Technicians and service professionals across multiple trades rely on this form factor for backup and standby power duties.

The PS-1290F2 is commonly deployed in commercial and residential applications including security alarm panels, emergency lighting systems, UPS units, access control devices, and fire protection equipment. Its sealed construction requires no water maintenance and tolerates mounting in any orientation. This battery is well suited for any service scenario where a reliable 12-volt lead acid cell in a standard group size must be swapped out quickly during a service call.

Key Features

• 12-volt nominal voltage with 9 Ah rated capacity for dependable standby power
• Quick-disconnect tab terminals (0.25-inch wide, 0.031-inch thick) accept standard push-on connectors
• Sealed lead acid chemistry — maintenance-free, no watering required
• UL listed for use in safety-critical and code-required backup power applications
• Compact form factor: 5.95 inches x 2.56 inches x 3.7 inches fits most standard battery enclosures
• Lightweight at 6.4 pounds for easy single-technician handling in the field

Compatibility

Designed as an OEM-style replacement sealed lead acid battery for security, life-safety, and standby power systems requiring a 12-volt, 9 Ah battery with quick-disconnect tab terminals.

Installation Notes

Installation is typically performed by licensed electricians, alarm technicians, or qualified service professionals. De-energize the host system and disconnect the existing battery before removing terminals to prevent arc or short-circuit events. Verify polarity before connecting push-on terminals, as reversed connections can damage connected equipment. Dispose of the removed battery in accordance with local regulations governing lead acid battery recycling.