Energizer CR2025 Lithium Coin Batteries - 12 Pack

This is a pack of twelve CR2025 lithium coin cells from Energizer, the flat 3V button batteries that sit under a screw-down plate or behind a sprung clip in small electronics. A coin cell code is a measurement rather than a model name: the four digits give the size in millimetres, so a CR2025 is 20mm across and 2.5mm thick, and the CR prefix marks lithium chemistry at a nominal three volts. That is worth knowing at the drawer with a spent cell in hand, because a CR2032 looks almost the same and is simply thicker.

Cells this size turn up in more places than most people expect. Car key fobs and garage remotes are the familiar ones, but kitchen scales, calculators, digital thermometers, tyre pressure gauges, reading lights, fitness bands and the handsets that dim LED strip lighting all take a 20mm coin cell of one thickness or another. Buying twelve at once makes sense for a household with several of these dotted about, and for anyone running a workshop, an office or a hire fleet, where a dead fob is the difference between getting on and standing about. Keep the spares in their tray so the terminals cannot touch.

The retail pack is marked child resistant, and coin cells are a serious swallowing hazard, so keep both the pack and any loose cells well away from small children and take spent ones to a battery collection point rather than the household bin. The pack states a 10 year shelf life, which is why a box of twelve is a reasonable thing to keep in a drawer. One unit is a single pack of twelve cells, and the minimum order is one, sold in multiples of one. It sits alongside our wider Energizer range, which includes CR2032 lithium coin cells and alkaline AA, AAA, C, D and 9V batteries.

Will a CR2025 work where a CR2032 was fitted?

Not reliably. Both are 20mm across, but the CR2025 is 2.5mm thick against the CR2032 at 3.2mm, so contact can be poor or absent. Always fit the code printed on the old cell.

My device just says 2025. Is that the same battery?

Yes. Manufacturers often drop the chemistry prefix when marking a device or a battery door. The CR in CR2025 simply identifies a lithium cell at a nominal three volts.

How many cells do I actually receive?

Twelve. One unit of this listing is a single retail pack holding twelve CR2025 cells, and the minimum order is one pack, sold in multiples of one.

How long will the spares keep before I need them?

The pack states a 10 year shelf life. Store them in the tray they come in, somewhere cool and dry, so the terminals cannot bridge against coins, keys or each other.

Can these be recharged?

No. A CR lithium coin cell is a single use primary battery, so it is fitted, used and then recycled at a battery collection point when it is flat.

How do I tell which cell my key fob takes?

Split the fob casing carefully and read the code stamped on the face of the existing cell. It will read CR2025, CR2032 or similar, and that code is what you match.