Generac — Charging a Battery
Operation
From a Generac owner's manual — check it applies to your exact model before use.
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Before you start
- Storage batteries give off explosive hydrogen gas
Procedure
- Check fluid level in all battery cells; add only distilled water if needed
- Ensure vent caps installed and tight
- Clean battery terminals if necessary
- Connect battery charge cable connector plug to panel receptacle marked 12-VOLT D.C.
- Connect red-handle clamp to positive terminal
- Connect black-handle clamp to negative terminal
- Start engine, idle control switch OFF, let engine run while battery recharges
- Shut down engine when charged
Tools required
- Battery charge cables Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Outlet voltage 8-12 VDC is normal
Source: Generac owner'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.