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The 4LR44 is the most common dog collar replacement battery. It is made up of four LR44 batteries stacked together hence the name 4LR44. The most common application is for dog collars but these convenient 6 volt batteries have many other uses. For instance they are used as a replacement for Pentax  6X7 and Pentax 67 batteries for which they are known as the PX28 battery.

The capacity of the 4LR44 battery can be as high as 180mAh with the average being around the 140mAh range. It has a diameter of 13 mm (0.512 inches) and is 25.2 mm (0.99 inches) height. Nominal voltage is 6 volts.

The 4LR44 battery has many different names and is compatible with it’s silver oxide counterpart the 4SR44 battery. Different manufacturers use different naming conventions for their batteries so it can get confusing when finding a comparable or compatible 4LR44 battery. Compatible 4LR44 batteries are listed below but due to the changing nature of the electronics industry this may not be a conclusive list.

4LR44 Equivalent Batteries

  • Eveready L544
  • Kodak K28A
  • Neda 1414A
  • Varta V34PX
  • Rayovac 2CR1/3N
  • Maxell 4LR44P
  • Silver Oxide 4SR44
  • 2CR11108
  • A544V
  • 4034PX
  • PX28A
  • L1325
  • L1325
  • 4AG13
  • 544
  • 4A76
  • PX28L
  • A544
  • PX28AB
  • PX28ABPK
  • 1414A
  • 28PXA
  • 476A
  • 4G13
  • GP476
  • K28
  • V28
  • V4034PX
  • K28L
  • L544
  • L544BP
  • V28PXL,
  • 2CR1/3N
  • CR28L
  • 1406LC
  • 2CR11108,28
  • 28A, 28L
  • PX28
  • PX28A
  • PX28L
  • 4G13
  •  KS28
  • V28PX
  • 1406SOP
  • V28PXL
  • 1406LC

Since a 4LR44 battery consists of four LR44 batteries it is possible to create these batteries with the correct tools and casing. A single LR44 battery is 1.5V so having four of them in tandem creates the 6V needed to have an equivalent 4LR44 battery. Special battery holders can be used to make this work.

In conclusion any battery that has the same dimensions and voltage as a 4LR44 can be used as a replacement. Compare your battery model to the list above and if you are still uncertain then contact us and we can clarify for you.