Lithium Coin Cells (3V) reference
CR2477
Battery equivalent chart, replacements, and specs
CR2477 aliases and equivalent names
Common search labels and closely related markings include DL2477. Packaging conventions vary, so confirm the compatibility grade, voltage, chemistry, and dimensions shown below before replacing the battery.
Voltage
3 V
Chemistry
LiMnO2
Capacity
900–1000 mAh
Size
24.5×7.7 mm
CR247724.5 × 7.7 mm
Exact equivalents
Exact- DL2477 — Duracell
Do not use
Not Compatible- CR2450 — Same diameter, much thinner — lower capacity
Technical data
Specifications
| Specification | Value |
|---|---|
| IEC / Common Code | CR2477 |
| Chemistry | LiMnO2 |
| Nominal Voltage | 3 V |
| Capacity | 900–1000 mAh |
| Cutoff Voltage | ~2 V |
| Dimensions (D × H) | 24.5 × 7.7 mm |
| Shelf Life | ~10 years (unused, room temp) |
Typical applications
- Long-life IoT nodes
- Industrial sensors
- High-capacity backup
Applications
Replacement Compatibility
CR2450 is 5.0 mm vs 7.7 mm — springs and doors rarely accept both
Side-by-side comparisons
Frequently Asked Questions
Is CR2477 better than CR2450?
Higher capacity, but only if it fits. Never force a taller cell into a shallow compartment.
Should I always trust cross-reference charts?
Use this guide as a starting point, then confirm with your device manual or manufacturer. Voltage, chemistry, and physical fit must all match for safe operation.
Related Batteries
Review record and primary sources
Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: model and alias mapping, nominal voltage and chemistry, physical dimensions, capacity range and replacement warnings.
- Lithium Technical Handbook: CR Coin-Type Batteries — Panasonic Energy, 2020 handbook (2020). CR/BR dimensions, nominal voltage, capacity, discharge and temperature characteristics.
Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.
Selection notes
Confirm holder depth. Many CR2450 trays cannot accept the taller CR2477.
Last verified Aug 25, 2026. Always confirm voltage, chemistry, and dimensions with the device manufacturer before replacing any battery.