Battery Varta 4920 LONGLIFE Power Mono D 1.5V – size D primary alkaline cell

Varta 4920 LONGLIFE Power Mono D 1.5V is a primary alkaline cell in D size designed to deliver extended, stable power for devices that require a high-capacity single battery. The cell provides a nominal voltage of 1.5V and is intended for applications where long runtime and dependable performance are important. It is suitable for household devices and portable equipment that use D-size batteries.

Advantages

The battery offers extended shelf life and consistent voltage under moderate to high drain conditions, helping connected devices maintain operation for longer periods. Its robust construction reduces the risk of leakage and provides reliable performance in a range of ambient temperatures. The chemistry and cell design are optimized for applications needing long runtime from a single 1.5V D cell.

Suitable for

• Flashlights and portable lighting
• Portable radios and audio devices
• Children’s toys and educational devices
• Camping and field equipment
• Household appliances that accept D-size cells

Key specifications

• Cell type: primary alkaline
• Size: D (also called R20, standard D-format)
• Nominal voltage: 1.5 V
• Designed for high-capacity single-cell use and moderate to high drain applications
• Extended storage/shelf life for long-term readiness
• Leak-resistant construction suitable for typical household and outdoor conditions

How to use

Insert the battery into the device respecting correct polarity (+ and −). Ensure contacts in the device are clean and free of corrosion before installation. Replace all batteries in multi-cell devices at the same time and use cells of the same type and age to avoid imbalance. Store unused batteries in a cool, dry place away from direct heat and sunlight. Dispose of used batteries according to local regulations for household batteries.

Usage recommendations

For best results in high-drain devices such as powerful torches or long-playing radios, use this D-size alkaline cell individually or in matched sets and check device manufacturer guidance for recommended battery types. Remove batteries from devices that will be stored for long periods to prevent potential leakage.