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Generac 004582 / 12 DTA — Charging a Battery

Operation · Battery charging system

For the Generac 004582 / 12 DTA, from the Generac owner's manual.

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Before you start

  • Batteries give off explosive hydrogen gas.

Procedure

  1. Check fluid level in all battery cells; add only distilled water if needed.
  2. Make sure vent caps are installed and tight; clean terminals if necessary.
  3. Connect battery charge cable plug to 12-VOLT D.C. receptacle.
  4. Connect red clamp to positive (+) battery terminal.
  5. Connect black clamp to negative (-) battery terminal.
  6. Start engine; keep idle control OFF while battery recharges.
  7. Shut down engine when battery has charged.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Specific gravity 1.260 or higher = 100% state of charge

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.

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