Power Sonic PS-1250F1 12V 5.0Ah AGM Rechargeable SLA Battery — Compact, Maintenance-Free Backup Power

Power Sonic PS-1250 is a compact, maintenance-free 12V sealed lead acid (SLA/AGM) battery delivering reliable 5.0Ah capacity at a 20-hour rate for backup and portable power needs.

The PS-1250F1 from Power Sonic is part of the company's General Purpose series designed for dependable, everyday power. It combines a spill-proof, valve-regulated lead acid construction with a rugged housing that tolerates shock and vibration. With a low self-discharge rate and user-friendly form factor, this battery is well suited for standby power, emergency lighting, small UPS systems, alarms, and portable devices where a dependable 12V supply is required.

How compact is the PS-1250 and will it fit my enclosure?

The PS-1250 has a small footprint and a shallow height to fit many compact enclosures. Its exact external dimensions make it easy to check compatibility with trays, clips, and battery boxes.

• Dimensions: 3.54" L x 2.76" W x 4.21" H (inches)
• Weight: approximately 3.50 lbs for easy handling
• Terminals: industry-standard F1 faston for simple connections
• Mounting: can be installed in any orientation because it is sealed and spill-proof

What kind of maintenance and lifespan can I expect?

The PS-1250 is an Absorbent Glass Mat (AGM) sealed lead acid battery, which means it is maintenance-free and does not require topping up. Proper charging and avoiding deep discharge extend service life; Power Sonic backs this model with a one-year limited warranty.

• Type: SLA/AGM, maintenance-free and spill-proof
• Rechargeable: engineered for repeated charge/discharge cycles
• Care: avoid prolonged deep discharge and use an appropriate charger
• Warranty: full one-year manufacturer coverage

What performance can I expect for backup or portable use?

Performance is rated by standard industry discharge tests: 5.0Ah at a 20-hour rate and 4.5Ah at a 10-hour rate, providing predictable runtime estimates for low- to moderate-drain devices. This makes the battery suitable for long-duration standby applications and many everyday portable power needs.

• Capacity: 12V 5.0Ah @ 20-hour rate
• Shorter-rate capacity: 12V 4.5Ah @ 10-hour rate
• Use cases: emergency lighting, alarms, small UPS, telecom, portable tools
• Reliability: AGM design reduces leakage risk and improves vibration resistance

Is the PS-1250 safe and easy to install?

Yes — the sealed AGM chemistry eliminates free liquid electrolyte, making the battery spill-proof and safer for installation in varied orientations. The compact size and F1 terminal type simplify wiring and replacement in many systems.

• Safety: sealed valve-regulated construction minimizes maintenance and leaks
• Durability: built to resist shocks and vibration in portable or mobile use
• Orientation: can be mounted on its side, upright, or inverted
• Connection: F1 faston terminals for secure, quick hookups

Who is this for: The Power Sonic PS-1250F1 suits technicians, installers, and hobbyists who need a compact, maintenance-free 12V battery for standby systems, small uninterruptible power supplies, alarm panels, emergency lighting, or portable equipment. If you want a sealed, vibration-resistant battery with predictable capacity ratings and straightforward installation, the PS-1250 is a practical choice.