Find the right 4LR44 Battery

4LR44 Battery is a 6 volt alkaline battery (non-rechargeable), which looks like a smaller version of a C cell battery. The 4LR44 Battery is most commonly used today in dog-collars. This battery goes by several other model numbers or names, such as: the PX28a, the A544, and the L1325 Battery.

This 6-volt alkaline battery is primarily used to power photo equipment, garage door opener, glucometers, and medical equipment. Also compatible with some electronic dog collars & invisible fence systems.

4LR44 Battery is compatible with the following models:
544BP, A544BP, 544A, V4032PX, L1325 Battery, 1414A, K28A, UL544A, BAT-001 Innotek, RFA-18, UL544A 6V, Innotek BAT-001, PX-28AB, A544, L1325 Dog, RFA18, 7H34, 4034PX, V34PX,

AG13 Alkaline Button Cell Battery(LR44, A76, L1154)

LR44 battery is an alkaline 1.5 V battery, and the most common equivalent batteries are: AG13, L1154, 76A, LR1154, GP76A.  This battery is mainly used in toys, blinking lights, or calculator.    

However, if you have more sensitive devices, like a digital caliper or camera flashlight, we recommend using the 357/303 battery.  It is a silver oxide battery, compare to alkaline battery.

The main differences is price and usage life.  The alkaline LR44 is cheaper, but may not last as long.  The silver oxide 357/303 is more expensive, but could last longer.

You can buy these button cell battery at www.24hourbatteries.com.