Alkaline D batteries Energizer Industrial Pro D LR20 1.5V — 12-pack (61.5 mm × 3.42 cm)

Pack of 12 single-use Energizer Industrial Pro D (LR20) alkaline batteries, each cell rated 1.5 V. The batteries have a diameter of 3.42 cm and a height of 61.5 mm, designed to fit devices that require D-size cells such as flashlights, portable radios and certain toys or equipment that need extended run time or high-drain performance.

Advantages

Energizer Industrial Pro D alkaline cells provide stable 1.5 V output per cell and are supplied in a 12-pack for multiple-device use or replacement. Their D-size format and single-use alkaline chemistry make them suitable for applications where long shelf life and dependable disposable power are required without the need for recharging.

Suitable for

• Flashlights and lanterns
• Portable radios and audio equipment
• Toys and hobby devices
• Motorized tools and high-drain devices designed for D cells

Key specifications

• Cell size: D (LR20)
• Chemistry: Alkaline
• Nominal voltage: 1.5 V per cell
• Quantity: 12 cells per pack
• Dimensions: diameter 3.42 cm, height 61.5 mm
• Intended use: single-use disposable battery

How to use

Insert each battery into the device following the polarity markings (+ and -) shown in the battery compartment. Use the correct D-size orientation and ensure contacts are clean and free of corrosion. Replace batteries when device performance declines or when the voltage is insufficient for normal operation. Dispose of used batteries according to local regulations for single-use alkaline cells.

Usage recommendations

Store batteries in a cool, dry place and avoid mixing new and used batteries or different battery chemistries in the same device. For devices with continuous high drain, check manufacturer guidance to confirm alkaline D cells are appropriate.