# item.guide
Side-by-Side Comparison Cylindrical Cells

C Battery vs. D Battery

Comparing 2 standards across 3 specifications. 2 key differences identified.

Comparing:
C Battery
D Battery
C Battery →

A C battery (IEC designation LR14, ANSI 14A) measures 26.2mm in diameter and 50.0mm in length. Alkaline C cells output 1.5V nominal, with typical capacity in the range of roughly 6,000 to 8,000 mAh -- well above AA or AAA but less common in modern consumer electronics.

View full C Battery spec sheet →
D Battery →

A D battery (IEC designation LR20, ANSI 13A) measures 34.2mm in diameter and 61.5mm in length -- the largest common cylindrical primary cell. Alkaline D cells output 1.5V nominal, with typical capacity in the range of roughly 12,000 to 20,000 mAh depending on discharge rate.

View full D Battery spec sheet →

Specification Comparison Table

3 Parameters
Parameter / Spec
C Battery
D Battery
Diameter
26.20 mm 34.20 mm
Overall Length
50.00 mm 61.50 mm
Alkaline Voltage
1.50 V 1.50 V

Other Alternatives to Compare

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