Wen 40400C

For replacement parts visit
WENPRODUCTS.COM
Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, ease
of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions.
If you use your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
IMPORTANT:
MODEL 40400C
40V MAX LITHIUM ION
CHARGER
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
NOTICE: Please refer to wenproducts.com for the most up-to-date instruction manual.

Wen 40400C Specifications

General

Input Voltage	120V AC
Output Voltage	12V DC
Charging Type	Automatic
Battery Compatibility	12V lead-acid batteries
Voltage	12V
Charging Modes	Trickle
Compatibility	Automotive, marine, and power sports batteries
Safety Features	Reverse polarity protection

Summary

Specifications

Introduction and Safety

Safety Alert Symbol and Precautions

Explains the meaning of safety symbols and urges careful attention to precautions to reduce risks.

Specific Safety Rules for Battery & Charger

Tool Purpose and Usage Restrictions

Defines the charger's intended use for WEN batteries and warns against other uses.

Environmental and Ventilation Safety

Advises against charging in wet areas and emphasizes proper ventilation for the charger.

Cord and Extension Cord Safety

Details proper handling of the charger cord and guidelines for using extension cords.

Electrical Rating and Attachment Safety

Covers charger's voltage rating and the importance of using recommended attachments only.

Continued Safety Rules for Battery & Charger

Battery Pack Handling and Damage Prevention

Covers avoiding battery damage, short circuits, chemical exposure, and proper handling.

User Limitations and Disposal

Addresses appliance use by persons with reduced capabilities and proper disposal of electrical appliances.

About the Battery

Battery Charging and Performance

Explains initial charging, frequent charging for performance, and battery aging.

Battery Damage and Storage

Covers avoiding battery damage, shocks, overloads, and proper storage practices.

About the Charger

Charger Care and Usage

Details protecting the charger from damage, indoor use, and keeping it away from children.

Charging Best Practices

Advises against overcharging, long-term storage in charger, and using old or damaged batteries.

Electrical Information

Polarized Plugs and GFCI Protection

Explains polarized plug usage and the importance of Ground Fault Circuit Interrupter protection.

Extension Cord Guidelines

Provides recommendations on selecting and using extension cords based on amperage and length.

Know Your Charger

Charger LED Indicator Lights

Explains the meaning of the charger's LED lights for different statuses like standby, charging, and errors.

Operation and Maintenance

Battery Charging Procedures

Details how to slide the battery into the charger and when to unplug.

Battery and Charger Storage

Provides instructions on storing batteries and chargers to maximize battery life and prevent damage.

Storage Guidelines

Pre-Storage Checks and Conditions

Advises on examining parts, removing batteries, and storing in cool, dry conditions away from heat.

Warranty Statement

Limited Warranty Terms and Conditions

Outlines the warranty period, coverage, exclusions, and claims process for WEN consumer power tools.