John Deere LA105 Battery Size + Replacement Guide

Quick answer:

The John Deere LA105 battery size is listed as 12 V.

Voltage12 V

John Deere LA105 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 LA105 Battery FAQ

Replacement battery recommendation The best replacement battery for the John Deere LA105 tractor is the AJC-U1-300-199856, which is a sealed lead acid (AGM) battery designed for reliable performance. It is maintenance-free and arrives fully charged and ready to install
Battery voltage The official battery voltage for the John Deere LA105 tractor is 12 volts
Battery group size The official battery group size for the John Deere LA105 tractor is U1
Battery CCA The recommended official John Deere LA105 tractor battery has a Cold Cranking Amperage (CCA) of 300. This specification ensures reliable starting power for the tractor
Battery location The battery on the John Deere LA105 tractor is located underneath the right access step. You may need to open the flap and possibly remove the access step to access the battery
Battery replacement steps To replace the battery on a John Deere LA105 tractor, disconnect the negative battery cable first, then the positive cable, and remove the battery. When installing the new battery, connect the positive cable first, followed by the negative cable. Wikipedia
Bad battery symptoms Common symptoms of a bad battery in a John Deere LA105 include a single “click” or no sound when turning the key, dim or absent dashboard lights, and the engine cranking but not starting. Additionally, if the battery voltage is below 12.4 volts, it may need charging or replacement
Official information note

Mistakes do happen. Please check official deere.com website for official information.