A manual charger does not shut off automatically. You must monitor the process to prevent overcharging.
Always wear safety goggles when working near automotive batteries.
Choose your voltage (6V or 12V) and your rate (2A or 10A).
The is a versatile 6V/12V manual battery charger and maintainer designed for automotive use. It typically features dual charging modes, such as a 2-amp trickle charge for maintenance and an 8-amp fast charge for recovering depleted batteries. Essential Usage Instructions carquest battery charger cq 80cr manual
Check for a secure, metal-on-metal connection at the battery terminals. Scrap away rust or corrosion.
If you own a working CQ 80CR, you have a piece of classic American workshop gear that outperforms many modern cheap chargers. Treat it with care, bookmark this article, and you’ll be starting dead batteries for another 20 years.
Designed for standard lead-acid batteries; not suitable for NiCad or other chemistry types. A manual charger does not shut off automatically
If you’ve recently acquired a Carquest Battery Charger model , or you’ve had one sitting in your garage for years without the original documentation, you’ve come to the right place. The Carquest CQ 80CR is a robust, wheeled battery charger and engine starter designed for professional mechanics and serious DIY enthusiasts. However, like any specialized equipment, operating it safely and effectively requires a solid understanding of its features, controls, and safety protocols.
If the charger is acting up, turn off the power breaker or unplug it for a few minutes to allow the system to reset. 6. Maintenance and Storage Keep the clamps clean and dry. Store the charger in a dry, cool place.
This is normal during high-rate charging. However, if it is extremely hot, turn it off and allow it to cool down. Choose your voltage (6V or 12V) and your rate (2A or 10A)
Avoid using an extension cord unless absolutely necessary. If one must be used, ensure it is properly wired, in good electrical condition, and matches the wire size requirements for the charger's amperage. Technical Specifications and Features
The F05 error code is the most commonly reported code for the CQ-80CR. It typically indicates the charger is being overloaded, often by attempting to charge more than one large battery simultaneously.
Identify the positive battery terminal (marked with a , POS , or red color).
Once the charging cycle is complete, unplug the AC power cord first, then remove the negative (Black) clamp, and finally remove the positive (Red) clamp. Operating Instructions: Using the Engine Start Feature