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

CR1220 vs. CR2025

Comparing 2 standards across 5 specifications. 4 key differences identified.

Comparing:
CR1220
CR2025
CR1220 →

A CR1220 coin cell is a 3.0V Lithium Manganese Dioxide battery measuring 12.5mm in diameter and 2.0mm in thickness, with a nominal capacity of about 35 mAh. Its small size makes it common in car key fobs, small LED lights, and low-power Bluetooth beacons.

View full CR1220 spec sheet →
CR2025 →

A CR2025 coin cell measures 20.0mm in diameter and 2.5mm in height, supplying 3.0V at ~165 mAh. While identical in diameter to the CR2032, its thinner 2.5mm profile prevents reliable contact in CR2032 battery holders.

View full CR2025 spec sheet →

Specification Comparison Table

5 Parameters
Parameter / Spec
CR1220
CR2025
Diameter
12.50 mm 20.00 mm
Height
2.00 mm 2.50 mm
Nominal Operating Voltage
3.00 V 3.00 V
Nominal Capacity
35 mAh 165 mAh
Chemistry
Lithium Manganese Dioxide —

Other Alternatives to Compare

Compare CR1220 vs. CR1616 → Compare CR1220 vs. CR1620 → Compare CR1220 vs. CR2016 → Compare CR1220 vs. CR2032 → Compare CR1220 vs. CR2450 → Compare CR1220 vs. CR2477 → Compare CR1220 vs. LR41 / AG3 → Compare CR1220 vs. LR44 / AG13 → Compare CR1220 vs. SR626SW / 377 →