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D Batteries

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As the largest of the cylindrical power cells, D batteries are perfect for high current drain devices. Size D cells are popular for things like large, high-beam flashlights. They also power desktop electronics like long-range radios as well as portable devices with electric motors. Staples® carries a good selection of D-sized batteries from reputable brands.

Choose Between Alkaline and Other Types of Primary D Batteries
A disposable D battery can use any one of three types of cell chemistries: alkaline, zinc-carbon, and lithium. While all three types of D cells deliver the same nominal voltage of 1.5 volts, they have different capacities and discharge rates. Alkaline batteries are the most popular. With capacities ranging from 12000 to 18000mAh, these batteries offer longer run times than zinc-carbon ones. Zinc-carbon D cells have a typical capacity of 8000mAh. These are usually more affordable but significantly less powerful than alkaline cells. Lithium D cells are even less common than zinc-carbon units.

Use Fewer Batteries by Switching to Rechargeable D Batteries
Primary batteries are good for seldom used high-drain electronics. Choose rechargeable batteries to reduce the cost of running regularly used devices. With a typical lifespan of 1000 recharges, a rechargeable battery can replace hundreds of disposable ones. The most common types of rechargeable D batteries are NiCd and NiMH cells. Although rare, there are also rechargeable alkaline cells in D size. These have a charge capacity of 8000mAh but are impractical because they lose capacity rapidly. Most manufacturers no longer offer NiCd batteries due to their low capacities (2000 – 5500mAh) and use of toxic metal.

The most common type of rechargeable D cells is NiMH batteries. They have higher capacities (up to 12000mAh) than NiCd ones and do not contain toxic metals. While they are suitable for high-drain devices, shoppers hoping to stock up extra D-sized rechargeable batteries should consider getting LSD NiMH variants. LSD, or low self-discharge, batteries have longer shelf lives. They come pre-charged and ready to use out of the box. These cells retain 85 percent of their charge after one year in storage.

Are There Lithium-ion D Batteries?
Yes. D-sized lithium-ion batteries are different in many ways from other types of D cells. First, they deliver 3.7V rather than 1.2 – 1.5V. This means that they are only compatible with devices designed to operate at that voltage. Secondly, they require special chargers that are different from those used for NiMH cells. To avoid confusion, manufacturers refer to lithium-ion D cells as 32600.

Do Rechargeable D Batteries Have Memory Effect?
No. NiMH batteries are not vulnerable to memory effect like NiCd ones. Therefore, there is no need to fully deplete them before recharging the cells. In fact, it is best to top up rechargeable batteries while they still have some charge left. Doing this protects the cells from irreversible damage.

Is It Safe to Mix Rechargeable and Alkaline D Batteries?
No. There is a small difference in the nominal voltages of these two types of batteries. While discharging, an alkaline battery experiences a steady voltage drop while a rechargeable battery maintains a constant voltage for most of its discharge cycle before experiencing a sharp drop. When combined, these two different profiles can damage devices with sensitive electronics or cause the batteries to rupture.
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Duracella CopperTopa D Batteries, 12Ct
Item : DUR01301 / Model : DUR01301
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  • Battery size: D
  • 12 per carton
  • Engineered for devices consumers use most
33.5 $33.50
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Duracell D Batteries
Item : SS1024436
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  • Duracell CopperTop Alkaline batteries are designed for use in everyday devices
  • Individually Date Coded to ensure freshness
  • Long Lasting, reliable power
As low as 9.99 $9.99
Multiple options available
Duracell® Quantum Alkaline D Batteries
Item : SS3279242
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  • D Batteries
  • Our longest lasting alkaline battery
  • Hi-density core with 100% more power boosting technology
As low as 9.49 $9.49
Multiple options available