Cummins/Onan Onan P4500i / P4500 — Battery Maintenance
Maintenance
For the Cummins/Onan Onan P4500i / P4500, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan Onan P4500i, Cummins/Onan P4500
Parts for this job
- A058U961 Battery — Cummins/Onan Onan P4500i Amazon eBay $44.99
- A058U961 Battery — Cummins/Onan P4500 Amazon eBay $44.99
Part numbers from the service-parts lists for Cummins/Onan Onan P4500i, Cummins/Onan P4500. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Plug the charger into the battery charging port on the control panel.
- Plug the wall receptacle end of the battery charger into a 120 Volt AC wall outlet.
- A red light on the charger indicates charging in progress; a green light indicates charging complete.
- Charge in a dry location.
Specs & values
- Once started, the generator will charge the battery after 30–60 minutes of use
Full service-parts list: Cummins/Onan Onan P4500i →, Cummins/Onan P4500 →
Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.