Energizer EN-EN91 Alkaline Battery 1.5 Volt Aa

Product Description

The ENERGIZER EN-EN91 is a 1.5-volt AA alkaline battery designed for use in a wide range of portable electronic devices and equipment. Built on standard alkaline chemistry, it delivers consistent voltage output across its discharge cycle, making it a reliable choice for tools, meters, remotes, flashlights, and jobsite electronics. Licensed electricians, HVAC technicians, plumbers, and field service professionals regularly reach for AA cells to power digital multimeters, clamp meters, thermostat remotes, and handheld diagnostic equipment. The EN-EN91 meets the standard AA form factor and drops into any compatible battery compartment without modification.

This battery is suited for both residential and commercial service environments. It powers the handheld and battery-operated equipment that tradespeople depend on daily, including test instruments, wireless thermostats, zone controllers, and portable lighting. Its 1.5-volt alkaline output is compatible with the full range of devices designed around the AA cell standard, covering light-duty to moderate-drain applications common in field service work.

Key Features

• 1.5-volt alkaline chemistry for stable, consistent output
• Standard AA form factor fits a wide range of portable devices
• Compatible with digital meters, remotes, flashlights, and diagnostic tools
• No special handling or installation tools required
• Single-use alkaline design with no charging equipment needed

Compatibility

Designed as a standard AA alkaline replacement cell suitable for any device requiring a 1.5-volt AA battery.

Installation Notes

Install by matching polarity markings inside the battery compartment before inserting the cell. Always power down the device before replacing batteries in sensitive diagnostic instruments to avoid false readings or data loss. Dispose of spent alkaline batteries in accordance with local regulations, as improper disposal may be restricted in some jurisdictions. Do not mix with batteries of a different chemistry or charge level in multi-cell devices.

Technical Specifications

• Chemistry: Alkaline
• Voltage: 1.5 volts
• Size: AA

Standard Information

• Brand: ENERGIZER
• Manufacturer Part Number: EN-EN91