Harbor Freight Tools 63529 Charger Owner’s Manual & Safety Instructions

About this manual

This manual provides safety warnings and operating instructions for the Harbor Freight Tools® 63529 battery charger. It covers safe charging procedures, battery handling, ventilation requirements, and grounding precautions. The document also includes maintenance steps and disposal guidelines for the lithium-ion battery. Safety symbols and warnings are emphasized throughout to prevent injury or fire hazards.

The charger is designed for 120VAC, 60Hz input and outputs 20VDC/1.7A. Users must follow all safety instructions, including proper ventilation, avoiding flammable surfaces, and using only designated battery packs. The manual includes LED indicators for charging status and detailed steps for setup, charging, and maintenance.

What's inside

• Safety Warnings
• Charger Setup
• Battery Charging
• Maintenance and Servicing
• Disposal Instructions
• LED Indicators
• Grounding Requirements
• Extension Cord Use

Specifications

Frequently asked questions

What is the output voltage and current of the charger?

The charger outputs 20VDC at 1.7A.

What should I do if the red LED blinks during charging?

If only the Red LED blinks, the Battery Pack and/or Charger may not be within the correct charging temperature or there is a problem with the Battery Pack or Charger. Allow them to reach the proper temperature or inspect them.

How do I know when the battery is fully charged?

Both the Green and Red LEDs will light continually when the battery is charged.

Can I use extension cords with this charger?

No, extension cords must not be used with this charger.