Schumacher SC1325 User Manual

PLEASE SAVE THIS OWNERS MANUAL AND READ BEFORE EACH USE.
This manual will explain how to use the battery charger safely and effectively.
Please read and follow these instructions and precautions carefully.
MODEL
SC1325
Automatic
Battery Charger
OWNERS MANUAL

Schumacher SC1325 Specifications

General

Model	SC1325
Input Voltage	120V AC
Battery Types Supported	Standard, AGM, Gel
Clamps	Heavy-duty
Microprocessor Controlled	Yes
Float Mode Monitoring	Yes
Reverse Hook-Up Protection	Yes
Type	Battery Charger
Output Voltage	6V/12V
Charging Current	25A
Charging Modes	Maintain
Cable Length	6 ft

Summary

Important Safety Instructions

Save These Instructions

Manual contains crucial safety and operating instructions for the charger.

Charger Usage Restrictions

Charger is not for children's use; avoid rain/snow and use only recommended attachments.

Cord and Plug Safety

Disconnect by plug, not cord. Do not use damaged cords/plugs; replace immediately.

Extension Cord Guidelines

Guidelines for using extension cords, ensuring proper size and condition.

Damaged Charger Operation

Do not use a damaged charger; seek professional repair.

Charger Disassembly Warning

Do not disassemble charger; consult a qualified technician for service or repair.

Maintenance Safety

Always unplug the charger before maintenance or cleaning to prevent electric shock.

Risk of Explosive Gases

Batteries generate explosive gases; follow instructions carefully to prevent explosion.

Personal Safety Precautions

Battery Area Safety

Have assistance nearby and keep water/soap accessible for battery acid incidents.

Protective Gear

Wear protective eyewear and clothing; avoid touching eyes near batteries.

Battery Acid First Aid

Proper first aid for battery acid exposure to skin and eyes.

Spark and Flame Prevention

Avoid sparks or flames near batteries due to explosion risk.

Tool Handling Near Battery

Prevent dropping metal tools on batteries to avoid sparks and explosions.

Metal Jewelry Warning

Remove metal jewelry to prevent burns from battery short circuits.

Compatible Battery Types

Specifies compatible battery types (Lead-Acid: STD, AGM, GEL) for charging.

Frozen Battery Warning

Do not attempt to charge a battery that is frozen.

California Prop 65 Warning

Warning regarding California Proposition 65 chemicals in the product.

Preparing to Charge

Battery Removal Procedure

Procedure for safely removing a battery from a vehicle for charging.

Ventilation During Charging

Ensure the charging area is well-ventilated to dissipate battery gases.

Terminal Cleaning

Clean battery terminals to ensure good connection and avoid eye contact with corrosion.

Adding Distilled Water

How to add distilled water to battery cells to the correct level.

Battery Manufacturer Guidelines

Follow the specific precautions and charge rates from the battery manufacturer.

Voltage Setting

Verify battery voltage and set the charger's voltage selector correctly.

Charger Location and Precautions

Charger Placement

Position the charger away from the battery to minimize gas exposure.

Corrosion Prevention

Avoid placing the charger directly above the battery to prevent corrosion from gases.

Acid Drip Prevention

Prevent battery acid from dripping onto the charger during maintenance.

Ventilation Requirements

Ensure adequate ventilation; do not operate in confined or obstructed spaces.

Battery Placement Restriction

Never place a battery on top of the charger to prevent potential hazards.

DC Connection Procedures

Connection/Disconnection Order

Disconnect/connect clips only when charger is off and unplugged.

Clip Attachment

Connect charger clips to the battery and chassis as per connection instructions.

Battery Installation Connection Steps

Cord Routing

Route cords to prevent damage from vehicle parts.

Moving Parts Clearance

Keep hands and body clear of moving engine parts.

Battery Polarity Identification

Identify positive and negative battery posts by size.

Grounded Post Determination

Determine if the battery's positive or negative post is grounded to the vehicle.

Negative Ground Connection

Instructions for connecting charger clips to a negative-grounded vehicle battery.

Positive Ground Connection

Instructions for connecting charger clips to a positive-grounded vehicle battery.

Disconnection Procedure

Correct procedure for safely disconnecting the charger from the vehicle.

Battery Outside Vehicle Connection

Battery Polarity Check

Identify positive and negative battery posts by size.

Negative Cable Connection

Connect a 6-gauge cable to the negative battery post.

Positive Clip Connection

Connect the positive (RED) charger clip to the positive battery post.

Negative Clip Connection Safety

Safely connect the negative (BLACK) clip to the battery cable end.

Final Connection Stance

Avoid facing the battery during the final connection for safety.

Disconnection Sequence

Disconnect the charger in the reverse order of connection.

Marine Battery Charging

Marine batteries require removal and shore charging.

Grounding and AC Cord Safety

Power Circuit Requirements

Charger uses a 120V circuit and requires a grounded outlet.

AC Cord Modification Warning

Never alter the AC cord/plug; use a qualified electrician for proper outlets.

Extension Cord Usage

Guidelines for using extension cords with the charger, if necessary.

Assembly and Control Panel

Cord Preparation

Prepare the charger by unwrapping and uncoiling cables.

Handle Extension

Instructions for extending the charger's handle.

On/Off Switch Function

Controls the charger's operating mode: OFF, Charge/Maintain, or Engine Start.

Digital Display Functions

Shows voltage, charge percentage, or time during operation.

Rate Selection Button

Button to select charging rates (2A/6A, 40A Boost, 250A Engine Start).

Control Panel Details

Display During Charging

Display behavior during charging mode.

Display Button Functions

Button to cycle through display functions: Battery %, Alternator %, Voltage.

Charge/Maintain Mode

Selectable mode for charging small and large batteries.

Boost Mode

High-current mode to quickly charge large or discharged batteries.

Engine Start Mode

Provides 250A for jump-starting engines with weak batteries.

LED Indicator Meanings

Explanation of the charger's LED status indicators.

Battery Type Selection

Button to select battery chemistry (STD, AGM, GEL).

Standard (STD) Batteries

Description of Standard (STD) batteries and their use.

AGM Batteries

Description of AGM batteries and their properties.

GEL Batteries

Description of GEL batteries and their charging sensitivity.

Operating Instructions

Charging Battery In Vehicle

Step-by-step guide for charging a battery while it's installed in a vehicle.

Disconnecting From Vehicle

Completing the charging process and disconnecting the charger from a vehicle.

Charging Battery Outside Vehicle

Step-by-step guide for charging a battery that has been removed from a vehicle.

Engine Start Feature Usage

Instructions for using the engine start (jump-start) feature.

Engine Start Without Battery Warning

Critical warning against using the engine start feature without a battery.

Automatic Charging Mode

Explanation of the automatic charging and maintenance mode.

Battery Charging Time Estimates

Table providing estimated charging times for different battery types and applications.

Aborted Charge Procedure

What happens when charging aborts and how to interpret the display.

Desulfation Mode Explanation

Explanation of the desulfation mode for sulfated batteries.

Charge Completion and Maintenance

Charge Completion Indicator

How to identify when the battery is fully charged and maintaining.

Maintain Mode Operation

Description of the maintain mode for keeping batteries at full charge.

Battery Maintaining Capability

The charger's capability to maintain 6V and 12V batteries at full charge.

Fan Operation Details

Information about the charger's fan operation.

Maintenance and Care

General Maintenance Tips

Basic maintenance tips to ensure the charger's longevity.

Cord Storage

Proper way to coil cords for storage to prevent damage.

Charger Storage Instructions

Instructions for storing the charger safely and correctly.

Clamp Storage

How to properly store the charger's clamps.

Troubleshooting and Error Codes

Error Code Reference

Table listing error codes, their descriptions, and solutions.

Error Code: Low Battery Voltage

Error code explanation for low battery voltage after charging.

Error Code: Sulfated Battery

Error code indicating a sulfated battery.

Error Code: Desulfation Failure

Error code for when the charger fails to desulfate a battery.

Error Code: Reversed Connections

Error code indicating reversed battery connections.

Advanced Troubleshooting

Error Code: Maintain Mode Failure

Error code for failure to maintain battery charge.

Error Code: Battery Overheating

Error code for battery overheating during charging.

Charger Not Powering On

Troubleshooting steps for when the charger does not power on.

Engine Start Not Working

Troubleshooting steps for the engine start feature not working.

Boost LED Status

What the Boost LED shutting off signifies.

Specifications

UL Specifications

Technical specifications for UL certification, including input and output ratings.

cUL Specifications

Technical specifications for cUL certification, including input and output ratings.