Quick answer:
The John Deere 108 battery size is listed as 12 V, 300 CCA.
Voltage12 V
CCA300 CCA
John Deere 108 Battery Specs
| Battery voltage | 12 V |
|---|---|
| Battery CCA | 300 CCA |
Battery Spec Comparisons Chart
CCA comparison
Voltage comparison
John Deere 108 Battery FAQ
| Replacement battery recommendation | The best replacement battery for the John Deere 108 U1 Lawn Mower and Tractor is the AJC-U1-300-145352. This battery is a 12V Sealed Lead Acid (AGM) type, designed for reliable performance in outdoor conditions |
|---|---|
| Battery voltage | The official battery voltage for the John Deere 108 tractor is 12 volts |
| Battery group size | The official battery group size for the John Deere 108 tractor is BCI Group Size U1. This size is designed for lawn and garden machines, providing the necessary power for starting small gas engines |
| Battery CCA | The recommended Cold Cranking Amps (CCA) for the John Deere 108 U1 Lawn Mower and Tractor Battery is 300 CCA |
| Battery location | The battery on the John Deere 108 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 |
| Bad battery symptoms | Common symptoms of a bad battery in a John Deere 108 tractor include the starter not working or failing to turn the engine, corroded battery terminals, and the battery not charging. If these issues persist, it’s advisable to consult your John Deere dealer for further assistance |
Official information note
Mistakes do happen. Please check official deere.com website for official information.

