Generac — Connecting Blackstart Battery
Installation
From a Generac service manual covering: PWRcell M3, PWRcell M3 DCB, PWRcell M4, PWRcell M4 DCB, PWRcell M5, PWRcell M5 DCB, PWRcell M6, PWRcell M6 DCB. Check it applies to your exact model before use.
Browse Generac generators & specs →
Procedure
- Connect blackstart battery lead to positive battery terminal (E).
- Negative lead is already connected to terminal (F).
- Do not leave blackstart battery connected if PWRcell Battery is not connected to REbus.
Specs & values
- Blackstart battery voltage must be 13 V or greater to power the system
Source: Generac service 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.