Duracell LR20 / D batteries (x4)
(21767 reviews)
The largest of the cylindrical batteries: the Duracell Plus LR20 (D size) gives maximum runtime to powerful torches, site radios and big toys.
Characteristics
- Voltage: 1.5V (alkaline)
- Format: LR20 / D / MN1300
- Pack: Pack of 4
- Storage: Up to 10 years (Duralock)
- The high-runtime D battery for power-hungry devices
Detailed overview: Duracell Plus LR20 D alkaline battery
Duracell Plus LR20 batteries, in the D size (also called MN1300 or mono), are 1.5-volt alkaline batteries in the largest common cylindrical format. Their generous size gives them high capacity and runtime, making them suited to the most power-hungry devices.
They are typically used in big torches, portable lanterns and floodlights, site radios, powerful portable radios, bulky toys, door chimes and various household devices demanding a lot of energy. On these demanding uses, their large volume lets them last far longer than smaller batteries.
Sold here in a pack of 4, in their original Duracell packaging, these Plus batteries offer up to 50% more runtime than the IEC standard minimum for the D format. They use Duralock technology, which preserves their energy for up to 10 years when stored unused, a real asset for backup batteries.
Like all alkaline batteries, the LR20 is single-use and recycles at end of life in the battery bins provided. Long-lasting and reliable, the Duracell Plus LR20 is the benchmark for any device requiring a large, high-runtime 1.5V cylindrical battery.
Frequently asked questions: Duracell Plus LR20 D alkaline battery
Yes. LR20 is the standardized name for the D size (also called MN1300 or mono). It is the largest common cylindrical 1.5V alkaline battery, bulkier than a C (LR14).
You find them in big torches, lanterns and floodlights, site radios, bulky toys, door chimes and household devices that are very power-hungry.
No, this alkaline battery is single-use. You replace it once discharged and drop it in a battery recycling bin. Rechargeable D-size cells exist in other ranges.
Thanks to Duralock technology, Duracell Plus LR20 batteries keep their charge for up to 10 years in their original packaging, making them an excellent choice as backup batteries kept in reserve.
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Published on 12/07/2026