Single-use battery Varta ENERGY D

The Varta ENERGY D is a single-use alkaline battery designed to provide stable 1.5 V power for devices that require D-size cells. With a height of 61.5 mm, a diameter of 3.42 cm and a mass of approximately 135.1 g per cell, this LR20 D battery is intended for everyday applications where long-lasting, dependable energy is needed. The pack contains two batteries suitable for equipment with moderate to high current draw.

Advantages

These alkaline D batteries deliver consistent voltage and predictable discharge behavior during use, helping to maintain device performance until end of service. Their single-use design minimizes self-discharge when stored, and the robust cylinder construction provides mechanical stability and secure contacts in standard D-size compartments. The batteries are ready to use out of the package and require no charging equipment.

Suitable for

• Flashlights and lanterns
• Portable radios and boomboxes
• Toys and electric ride-ons
• Large remote controls and home gadgets
• Some medical devices and measuring instruments (check device requirements)

Key specifications

• Battery type: single-use alkaline cell
• Nominal voltage: 1.5 V
• Size: D (LR20)
• Typical physical dimensions: height 61.5 mm, diameter 34.2 mm
• Weight per cell: approximately 135.1 g
• Quantity in pack: 2 pieces

How to use

Insert the batteries following the polarity markings in the device battery compartment, ensuring the positive (+) and negative (−) ends align correctly with the contacts. Replace all batteries in multi-cell devices at the same time with cells of the same type and age to ensure balanced performance. Remove batteries from devices that will not be used for an extended period to avoid leakage and potential damage.

Recommendations

Store batteries in a cool, dry place away from direct heat and humidity. Do not attempt to recharge single-use alkaline batteries, and dispose of used cells according to local regulations for battery recycling. Keep batteries out of reach of children and avoid short-circuiting, crushing, or incinerating cells.