JCB 4LR44 Alkaline Batteries (A544)

This is a single 6V alkaline cell in the 4LR44 size, listed on the pack under its second code, A544. The figure at the front of the code describes how it is built: four LR44 alkaline cells stacked in series inside one sealed cylindrical can, which is where 6V comes from rather than the 1.5V a single alkaline cell gives. It is a specialist size rather than a household one, and JCB print both codes on the front of the card so you can match it against whichever one your device shows.

Cells of this size turn up where a device needs 6V from something little bigger than a stack of coin cells. Bark and training collars are the common one, along with laser pointers, the light meters in older film cameras, and a range of small meters and handheld instruments. The size is standardised, so any cell printed 4LR44 or A544 will drop into the same compartment and sit the same way round; the positive terminal is marked on the cell itself. If the battery door of your device names only one of the two codes, that is the naming system its maker chose, not a different cell.

One unit of this listing is one cell, so order one per device and a spare if the device is one you rely on. The minimum order is 10, sold in multiples of 10, which suits a kennel, a workshop drawer or a club store rather than a single replacement. No shelf life figure is printed on the pack, so we quote none; store spares at room temperature and away from loose metal, as with any unpackaged cell. The pack also carries the usual warning to keep batteries away from children, worth heeding at this size. It sits alongside our wider range of JCB batteries, which runs from AAA and AA through to D, 9V and coin cells.

How many batteries do I get?

One cell per unit. The pack holds a single 4LR44 battery, so order one unit for each device you need to fit, plus any spares.

Is A544 the same battery as 4LR44?

Yes. Both codes are printed on this pack and name the same 6V cell, so match your device against whichever of the two it shows.

What does the 4 at the front of the code mean?

It tells you four LR44 alkaline cells are stacked in series inside the one can, which is how the cell reaches 6V instead of 1.5V.

Can I fit this where a single 1.5V cell was?

No. This cell delivers 6V, four times the voltage of a standard alkaline cell, so only fit it where the device specifies 4LR44 or A544.

Which way round does it go in?

The positive terminal is marked on the cell itself. Line that mark up with the plus symbol in the compartment before closing the battery door.

Is a shelf life stated?

The manufacturer does not print a shelf life figure on this pack, so we do not quote one. Keep spares in their packaging at room temperature.