Cummins/Onan — Battery Connections (Electric Start Models)
Installation
From a Cummins/Onan operator's manual covering: 1.7PE-1P, 1.7PE-1P/24950J, 2.2PE-1P, 2.2PE-1P/24950J, 2.2PEI-1P, 3.0PL-1P, 3.0PL-3P, 3.2PFI-3P, 3.7PFI-3P, 3.7PP-3P, 5.0PKI-3P, 5.0PN-3E…. Check it applies to your exact model before use.
Browse Cummins/Onan generators & specs →
Before you start
- Lead acid batteries emit explosive hydrogen gas. Do not smoke while servicing batteries.
Procedure
- A 12 volt battery is required.
- A 32 AMP hour lead-acid battery (BCI Group U1) is recommended.
- Fasten positive (+) and negative (-) cables to corresponding battery terminals.
- Attach negative cable last to prevent arcing.
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.