Don’t let their small size fool you: This Energizer 1220 Lithium Coin 3-Volt Battery delivers big time on long-lasting, dependable power for your coin-battery-operated items. From heart rate or glucose monitors to remotes, keyless entry systems, key fobs, watches, toys, and games—and even more specialized devices—our coin batteries are compatible with the devices that fit your life, so you can keep going. The CR1220 and the ML1220 are the same size and voltage, however the CR1220 is non-rechargeable whereas the ML1220 is. What is the best way to charge a CR1220? The reported failure rate for Energizer is less than 1/1000 of 1%. Because of its commitment to constant quality, it now has a market share of more than 70% in Switzerland, one of the world’s leading watchmaking countries.

Energizer CR1220 Lithium Coin Battery | Halfords UK

They’re the same thing. I’m not sure why it says “low drain,” because that term is normally used for Silver oxide cells, and it refers to the battery’s ability to tolerate high or low drain applications, not how long it will survive.

Please note:

Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them This is a pair of Energizer CR1220 batteries. This item is brand new and guaranteed to be factory fresh. These batteries are frequently required for prominent brands including Swatch, Fossil, Timex, and Casio.

RS PRO CR1220 Button Battery, 3V, 12.5mm Diameter | RS

Murata, based in Japan, launched silver-oxide and alkaline batteries in 1978, lithium batteries in 2008, and novel button cell technologies in 2009.

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The Watch Battery Cross Reference Table below gives all Watch Battery sizes and their equivalent replacement watch battery reference