377/376 (SR66) Watch Batteries

The 377/376 button cell is a popular manufacturer’s choice of batteries for watches, calculators, toys and talking children’s books. These cells replace both alkaline and silver oxide cells with the names SR66, LR66, AG4, SG4 and SR626SW.

These 1.55V batteries are based on silver oxide chemistry. They typically provide about 26mAh of capacity. The case dimensions are 6.8mm x 2.6mm.

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  • Duracell D377/376 Button Cell Watch Battery | 1 Pack Duracell D377/376 Button Cell Watch Battery | 1 Pack

    Duracell D377/376 Button Cell Watch Battery | 1 Pack

    Duracell

    £1.39
    Duracell D377/376 Button Cell Watch Battery offers reliable and long-lasting power for your essential small electronic devices. This high-quality battery is designed to meet the specific energy requirements of a wide range of precision instruments,...
    £1.39
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  • Energizer 377/376 SR626SW SR66 Watch Battery | 1 Pack

    Energizer 377/376 SR626SW SR66 Watch Battery | 1 Pack

    Energizer

    £1.15
    Energizer 377/376 SR626SW SR66 Watch Battery comes in a practical 1-pack, specifically designed for watches that require a compact battery with a consistent power output. This battery is perfect for those seeking a reliable, long-lasting energy source...
    £1.15
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    £1.15
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