D battery
Chunky power cell
A D battery is a cylindrical dry cell battery, the largest of the common household sizes.
D batteries power devices requiring sustained current—flashlights, portable radios, large toys.
The designation follows the standard letter system where larger letters indicate larger cells: AAA, AA, C, D.
The flashlight takes two D batteries.
- cellBasic unit of life
- flashlightPortable electric lamp
- cylindricalCircular in cross-section
- alkalineHaving high pH
- powerEnergy transfer rate
torch · radio · Duracell · Energizer · voltage · portable · boombox · lantern · emergency kit · heavy-duty · zinc · positive · negative · terminals · rechargeable · capacity · swap out · electronics
D batteryAAA battery
Compact cylindrical power cell
watch battery · hearing aid battery · 9-volt battery · car battery · C battery
D batteryAC power
Oscillating electrical current
wall outlet · solar panel · generator · power cord · power grid
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