ExpertPower 12V 9Ah AGM Rechargeable SLA Battery 2-Pack — F2 Terminals, Maintenance-Free Backup

This two-battery set from ExpertPower delivers a maintenance-free, spill-proof 12V power source compatible with many standby and cyclic applications. Built with valve-regulated AGM technology and an ABS case, the EXP1290 is designed to offer stable voltage, vibration resistance, and a long shelf life. Its compact dimensions (5.94" x 2.56" x 3.70"; total height 3.94") and F2 terminal fit make it a straightforward swap for many 12V 8–9Ah replacements.

Will this battery fit my UPS, alarm, or mobility device?

The EXP1290 is designed for broad compatibility with devices that accept 12V 9Ah sealed lead-acid batteries and F2 terminals. Always verify the physical dimensions, terminal type, and polarity in your device before ordering.

• F2 terminals for quick connection without special tools.
• Compact size matches many OEM replacement batteries in UPS and alarm systems.
• Polarity: standard (+ -) layout—confirm with your device manual.
• Works as a replacement for many 12V 8Ah–9Ah applications like exit signs, gate openers, and kids’ electric cars.

How long will these batteries hold a charge and require replacement?

Performance depends on usage pattern, temperature, and charging practices; in standby/backup roles they provide dependable standby performance and long shelf life. For cyclic applications (regular discharge/recharge), lifespan varies with depth of discharge and charger quality.

• AGM construction minimizes self-discharge for longer storage intervals.
• Valve-regulated design reduces maintenance and leak risk.
• Replace after performance drops noticeably or after the manufacturer’s recommended service life in critical systems.

Is installation difficult and what safety steps should I take?

Installation is straightforward for users comfortable handling sealed lead-acid batteries: match polarity, slide F2 connectors onto the terminals, and secure the battery in its compartment. No acid handling is required, but follow basic precautions to ensure safe operation.

• Turn power off on the host device before replacing the battery.
• Install with correct polarity; reverse polarity can damage equipment.
• Use proper ventilation while charging and avoid shorting the terminals.
• Dispose or recycle used SLA batteries per local regulations.

What are the key specs and construction highlights?

The EXP1290 features absorbed glass mat (AGM) technology in a valve-regulated sealed lead-acid package, housed in a rugged ABS case to resist impact and vibration. It’s designed for standby and cyclic uses where a compact, maintenance-free power source is needed.

• Nominal voltage: 12 volts; capacity: 9 amp-hours.
• F2 terminal type; dimensions: 5.94" x 2.56" x 3.70" (total height 3.94").
• Spill-proof, maintenance-free AGM construction with valve regulation.
• Suitable for UPS, alarms, medical standby devices, small solar, mobility scooters, and kids’ electric cars.

Who is this for? The ExpertPower EXP1290 2-pack is aimed at homeowners, small-business operators, and technicians who need a dependable, compact 12V 9Ah replacement battery for backup systems, portable devices, or light electric vehicles. It’s also a practical choice for anyone who wants a maintenance-free, spill-proof power source with easy F2-terminal installation and solid standby performance.