Which battery do I need?
Tools
| Compare two codes | LR44 or SR44? CR2032 or CR2025? A plain verdict from the sizes, voltage and chemistry. |
|---|---|
| Dead battery, what do I buy | Three steps: what it looks like, what it measures, what is printed on it. |
| Find by device | The cell sizes Energizer's guide names for key fobs, watches, hearing aids and more. |
| True-size check | Calibrate the screen with a bank card and lay the cell on the outline, or print the sheet. |
| Charts | Coin sizes, watch cross-reference, key fobs, and a one-page printable chart. |
Every cell in the index
Lithium coin, CR · 3 V
- CR102510 × 2.5 mm
- CR121612.5 × 1.6 mm
- CR122012.5 × 2 mm
- CR161616 × 1.6 mm
- CR162016 × 2 mm
- CR163216 × 3.2 mm
- CR201220 × 1.2 mm
- CR201620 × 1.6 mm
- CR202520 × 2.5 mm
- CR203220 × 3.2 mm
- CR233023 × 3 mm
- CR235423 × 5.4 mm
- CR241224.5 × 1.2 mm
- CR245024.5 × 5 mm
- CR247724.5 × 7.7 mm
- CR303230 × 3.2 mm
- CR122512.5 × 2.5 mm
- CR232023 × 2 mm
- CR232523 × 2.5 mm
- CR243024.5 × 3 mm
Lithium coin, BR · 3 V
Silver oxide · 1.55 V
- SR416SW4.8 × 1.6 mm
- SR512SW5.8 × 1.2 mm
- SR516SW5.8 × 1.6 mm
- SR521SW5.8 × 2.1 mm
- SR527SW5.8 × 2.7 mm
- SR614SW6.8 × 1.4 mm
- SR616SW6.8 × 1.6 mm
- SR621SW6.8 × 2.1 mm
- SR626SW6.8 × 2.6 mm
- SR712SW7.9 × 1.2 mm
- SR714SW7.9 × 1.4 mm
- SR716SW7.9 × 1.6 mm
- SR721SW7.9 × 2.1 mm
- SR726SW7.9 × 2.6 mm
- SR731SW7.9 × 3.1 mm
- SR41SW7.9 × 3.6 mm
- SR754SW7.9 × 5.4 mm
- SR916SW9.5 × 1.6 mm
- SR920SW9.5 × 2 mm
- SR927SW9.5 × 2.7 mm
- SR936SW9.5 × 3.6 mm
- SR1116SW11.6 × 1.6 mm
- SR1120SW11.6 × 2.1 mm
- SR1130SW11.6 × 3.1 mm
- SR1136SW11.6 × 3.6 mm
- SR43SW11.6 × 4.2 mm
- SR44SW11.6 × 5.4 mm
- SR626W6.8 × 2.6 mm
- SR721W7.9 × 2.1 mm
- SR726W7.9 × 2.6 mm
- SR41W7.9 × 3.6 mm
- SR754W7.9 × 5.4 mm
- SR920W9.5 × 2 mm
- SR927W9.5 × 2.7 mm
- SR936W9.5 × 3.6 mm
- SR1116W11.6 × 1.6 mm
- SR1120W11.6 × 2.1 mm
- SR1130W11.6 × 3.1 mm
- 35011.6 × 3.6 mm
- SR43W11.6 × 4.2 mm
- SR44W11.6 × 5.4 mm