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Energizer 4LR44/A544 6V Alkaline Batteries - 2 Pack

£299
The RRP is the manufacturer's recommended retail price of the item.
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Description

The Energizer 4LR44/A544 is a 6V alkaline battery designed for specialist devices that require compact, high-voltage power cells. Each battery measures 25mm in length and 13mm in diameter, making it suitable for dog training collars, vintage film cameras, glucose meters, car alarm remotes and certain medical equipment. The 4LR44 designation indicates a stack of four LR44 button cells in series, enclosed in a single cylindrical body.

This 2-pack provides replacement power for devices requiring 4LR44, A544, 476A, PX28A, K28L, V28PX or GP476 batteries. The 6V output is achieved through the internal series connection of four 1.5V alkaline cells, giving higher voltage than standard AA or AAA batteries in a smaller footprint. The alkaline chemistry provides stable voltage under moderate drain, making these batteries suitable for devices that draw power intermittently rather than continuously.

Energizer rates these batteries for storage up to 5 years from manufacture date when kept at room temperature. The shelf life makes them suitable for emergency kits and backup stock for critical devices. Each battery weighs approximately 10g and delivers capacity suitable for months of typical dog collar or camera meter use, depending on activation frequency and device design.

Specification
Weight (KG) 0.02
Width (mm) 11
Height (mm) 120
Depth (mm) 80
Battery Range Energizer Specialist
Cell Size 4LR44
Cell Composition Alkaline
Frequently Asked

What devices use 4LR44 batteries?

Common applications include dog training and bark collars, vintage film camera light meters, car alarm key fobs, glucose meters and certain medical devices. The 4LR44 is also sold under alternative designations including A544, 476A, PX28A and K28L — all of which are functionally identical 6V alkaline cells.

How long do these batteries last?

Battery life depends on device power draw and usage frequency. In a dog collar used for training sessions totalling 30 minutes per day, expect 2-4 months. In a camera light meter used occasionally, a single battery may last years. Energizer rates shelf life at 5 years when stored at room temperature.

Can I use rechargeable equivalents?

Rechargeable NiMH versions of this battery exist but deliver only 4.8V (four 1.2V cells in series) rather than 6V. Most devices designed for 4LR44 alkaline cells will not function correctly on the lower voltage. Check your device manual before substituting.

Are these batteries the same as PX28 or A544?

Yes. The 4LR44, A544, PX28A, 476A, K28L, V28PX and GP476 designations all refer to the same 6V alkaline battery in a 25mm × 13mm cylindrical package. Different manufacturers and retailers use different model codes, but the batteries are interchangeable.

Shipping & Returns

Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

To arrange a return, call us on 020 8149 5199 or use our contact page.

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    Description

    The Energizer 4LR44/A544 is a 6V alkaline battery designed for specialist devices that require compact, high-voltage power cells. Each battery measures 25mm in length and 13mm in diameter, making it suitable for dog training collars, vintage film cameras, glucose meters, car alarm remotes and certain medical equipment. The 4LR44 designation indicates a stack of four LR44 button cells in series, enclosed in a single cylindrical body.

    This 2-pack provides replacement power for devices requiring 4LR44, A544, 476A, PX28A, K28L, V28PX or GP476 batteries. The 6V output is achieved through the internal series connection of four 1.5V alkaline cells, giving higher voltage than standard AA or AAA batteries in a smaller footprint. The alkaline chemistry provides stable voltage under moderate drain, making these batteries suitable for devices that draw power intermittently rather than continuously.

    Energizer rates these batteries for storage up to 5 years from manufacture date when kept at room temperature. The shelf life makes them suitable for emergency kits and backup stock for critical devices. Each battery weighs approximately 10g and delivers capacity suitable for months of typical dog collar or camera meter use, depending on activation frequency and device design.

    Specification
    Weight (KG) 0.02
    Width (mm) 11
    Height (mm) 120
    Depth (mm) 80
    Battery Range Energizer Specialist
    Cell Size 4LR44
    Cell Composition Alkaline
    Frequently Asked

    What devices use 4LR44 batteries?

    Common applications include dog training and bark collars, vintage film camera light meters, car alarm key fobs, glucose meters and certain medical devices. The 4LR44 is also sold under alternative designations including A544, 476A, PX28A and K28L — all of which are functionally identical 6V alkaline cells.

    How long do these batteries last?

    Battery life depends on device power draw and usage frequency. In a dog collar used for training sessions totalling 30 minutes per day, expect 2-4 months. In a camera light meter used occasionally, a single battery may last years. Energizer rates shelf life at 5 years when stored at room temperature.

    Can I use rechargeable equivalents?

    Rechargeable NiMH versions of this battery exist but deliver only 4.8V (four 1.2V cells in series) rather than 6V. Most devices designed for 4LR44 alkaline cells will not function correctly on the lower voltage. Check your device manual before substituting.

    Are these batteries the same as PX28 or A544?

    Yes. The 4LR44, A544, PX28A, 476A, K28L, V28PX and GP476 designations all refer to the same 6V alkaline battery in a 25mm × 13mm cylindrical package. Different manufacturers and retailers use different model codes, but the batteries are interchangeable.

    Shipping & Returns

    Delivery UK delivery is £14.99, and delivery is free on all orders of £99 or more, in the UK and internationally.

    Returns If you change your mind, you have 14 days from delivery to tell us, and a further 14 days to send the goods back. Return postage for a change-of-mind return is paid by you. Change-of-mind returns are subject to an inspection and handling deduction. See our full returns policy.

    To arrange a return, call us on 020 8149 5199 or use our contact page.