Quick answer:
The John Deere 797 battery size is listed as 12 V.
Voltage12 V
John Deere 797 Battery Specs
| Battery voltage | 12 V |
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Battery Spec Comparisons Chart
Voltage comparison
John Deere 797 Battery FAQ
| Replacement battery recommendation | The best replacement battery for the John Deere 797 Max Z Trak Zero-Turn is the AJC-U1-300-198983. This battery is a sealed lead acid (AGM) type, designed for reliable performance in lawn mowers and tractors |
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| Battery voltage | The official battery voltage for the John Deere 797 tractor is 12 volts |
| Battery group size | The official battery group size for the John Deere 797 tractor is Group U1 |
| Battery CCA | The recommended official battery for the John Deere 797 tractor has a Cold Cranking Amps (CCA) rating of 340 |
| Battery location | The battery on the John Deere 797 tractor is typically located under the seat or in the rear compartment of the mower. For specific details, it’s best to consult the owner’s manual or service guide for your model |
| Battery replacement steps | To replace the battery on a John Deere 797 tractor, first disconnect the negative battery cable, then the positive cable. After that, remove the battery from the tray and install the new battery by connecting the positive cable first, followed by the negative cable |
| Bad battery symptoms | Common symptoms of a failing battery in a John Deere 797 tractor include hard starting or no response when trying to start, clicking sounds indicating insufficient power, and visible corrosion on battery terminals. If the battery holds 11.5V or less, it likely needs replacement |
Official information note
Mistakes do happen. Please check official deere.com website for official information.







