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JCB CR2025 3V Lithium Coin Cell Battery - Single Pack

£149
The RRP is the manufacturer's recommended retail price of the item.
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Description

The JCB CR2025 is a 3V lithium coin cell battery measuring 20mm in diameter and 2.5mm thick, designed for watches, car key fobs, calculators, fitness trackers, medical devices and small electronics requiring compact power. The lithium chemistry provides stable voltage across the discharge curve, maintaining consistent device performance until the cell is depleted.

Single-cell CR2025 batteries suit devices with intermittent low-draw power requirements rather than continuous high-drain applications. Typical use cases include CMOS backup power in motherboards, real-time clock circuits, wireless door sensors, laser pointers and LED keyring lights. The 3V output matches the requirements of most CR2025-specified devices without needing voltage regulation.

JCB lithium cells carry an extended shelf life of several years when stored at room temperature, making them suitable for spare stock in toolkits, emergency kits and maintenance supplies. The leak-resistant seal prevents corrosion of device contacts during storage and use. The battery ships in blister-pack retail packaging with a single cell per pack.

Specification
Weight (KG) 0.01
Width (mm) 90
Height (mm) 120
Depth (mm) 2
Battery Range JCB Specialist
Cell Size CR2025
Cell Composition Lithium
Frequently Asked

What devices use CR2025 batteries?

CR2025 cells power watches, car key fobs, calculators, fitness trackers, motherboard CMOS circuits, wireless door sensors, medical glucose monitors, laser pointers and LED keyring lights. Any device marked CR2025 on the battery compartment or manual accepts this cell size.

Can I use CR2025 instead of CR2032?

No. Both are 3V lithium and 20mm diameter, but CR2032 is 3.2mm thick while CR2025 is 2.5mm thick. A CR2025 will not make contact in a CR2032 compartment, and forcing a CR2032 into a CR2025 slot can damage the device.

How long does the battery last?

Runtime depends on device current draw. In a watch or calculator with intermittent low draw, a CR2025 typically lasts 2-3 years. In higher-draw devices like fitness trackers or wireless sensors, expect 6-12 months.

What is the shelf life?

JCB lithium coin cells carry a shelf life of several years when stored at room temperature in the original blister pack. Check the date code on the packaging for the specific expiry.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    The JCB CR2025 is a 3V lithium coin cell battery measuring 20mm in diameter and 2.5mm thick, designed for watches, car key fobs, calculators, fitness trackers, medical devices and small electronics requiring compact power. The lithium chemistry provides stable voltage across the discharge curve, maintaining consistent device performance until the cell is depleted.

    Single-cell CR2025 batteries suit devices with intermittent low-draw power requirements rather than continuous high-drain applications. Typical use cases include CMOS backup power in motherboards, real-time clock circuits, wireless door sensors, laser pointers and LED keyring lights. The 3V output matches the requirements of most CR2025-specified devices without needing voltage regulation.

    JCB lithium cells carry an extended shelf life of several years when stored at room temperature, making them suitable for spare stock in toolkits, emergency kits and maintenance supplies. The leak-resistant seal prevents corrosion of device contacts during storage and use. The battery ships in blister-pack retail packaging with a single cell per pack.

    Specification
    Weight (KG) 0.01
    Width (mm) 90
    Height (mm) 120
    Depth (mm) 2
    Battery Range JCB Specialist
    Cell Size CR2025
    Cell Composition Lithium
    Frequently Asked

    What devices use CR2025 batteries?

    CR2025 cells power watches, car key fobs, calculators, fitness trackers, motherboard CMOS circuits, wireless door sensors, medical glucose monitors, laser pointers and LED keyring lights. Any device marked CR2025 on the battery compartment or manual accepts this cell size.

    Can I use CR2025 instead of CR2032?

    No. Both are 3V lithium and 20mm diameter, but CR2032 is 3.2mm thick while CR2025 is 2.5mm thick. A CR2025 will not make contact in a CR2032 compartment, and forcing a CR2032 into a CR2025 slot can damage the device.

    How long does the battery last?

    Runtime depends on device current draw. In a watch or calculator with intermittent low draw, a CR2025 typically lasts 2-3 years. In higher-draw devices like fitness trackers or wireless sensors, expect 6-12 months.

    What is the shelf life?

    JCB lithium coin cells carry a shelf life of several years when stored at room temperature in the original blister pack. Check the date code on the packaging for the specific expiry.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.