Carquest: Battery Charger Cq 80cr Manual

A: The ammeter or shunt inside the charger may be fried. The charger will still work, but you are blind to the charge status. You can add an external voltmeter to monitor voltage.

Always wear safety glasses. Battery acid can cause permanent blindness. carquest battery charger cq 80cr manual

Do not throw away your CQ 80CR. It is superior for starting a totally dead battery that modern smart chargers will refuse to detect. Part 9: Frequently Asked Questions (FAQ) Q: Does the Carquest CQ 80CR charge AGM or Gel batteries? A: The original manual likely warns against it. Manual chargers can overcharge AGM/Gel batteries, destroying them. Use only on standard flooded lead-acid batteries. A: The ammeter or shunt inside the charger may be fried

The inside of the charger contains high voltage capacitors. Do not open the case. Do not operate with a damaged cord. Always wear safety glasses

Batteries produce explosive hydrogen gas. Never smoke near the charger. Always connect/disconnect in a well-ventilated area.

If you have stumbled upon a Carquest Battery Charger CQ 80CR —whether in your garage, a family member’s basement, or at a yard sale—you are in possession of a robust piece of automotive maintenance equipment. Carquest, known for its high-quality auto parts, rebranded several rugged battery chargers over the years, and the CQ 80CR model remains a favorite among DIY mechanics and professionals alike.