The John Deere LA135 battery size is listed as 12 V.
Voltage12 V
John Deere LA135 Battery Specs
Battery voltage
12 V
Battery Spec Comparisons Chart
Voltage comparison
This model
12 V
Average
11.66 V
Low
6 V
High
24 V
John Deere LA135 Battery FAQ
Replacement battery recommendation
The AJC-U1-300-199860 is listed as a compatible replacement battery for the John Deere LA135 lawn mower and tractor
Battery voltage
The John Deere LA135 uses a 12-volt battery. Houzz
Battery group size
The official John Deere LA135 tractor battery group size is BCI Group U1
Battery CCA
The recommended official John Deere LA135 tractor battery has a Cold Cranking Amperage (CCA) of 300. This ensures reliable starting power for your tractor
Battery location
The battery on the John Deere LA135 tractor is located under the seat. You may need to remove the seat or access panel to reach it
Battery replacement steps
To replace the battery on a John Deere LA135 tractor, first, remove the access step by taking out the attaching screws and disconnecting any light connectors if equipped. Then, carefully remove the old battery and install the new one, ensuring all connections are secure. Wikipedia
Bad battery symptoms
Common symptoms of a failing battery in a John Deere LA135 tractor include hard starting or no response when trying to start, clicking sounds, and visible corrosion on battery terminals. If the battery is holding 11.5V or less, it likely needs to be replaced
Official information note
Mistakes do happen. Please check official deere.com website for official information.
