Installation Guide
Tools Needed:
- Safety glasses
- Adjustable wrench
- Wire cutters/strippers
- Screwdrivers (flat and Phillips)
- Multimeter
Step-by-Step Installation
- Safety First: Wear safety glasses and gloves. Work in a well-ventilated area away from sparks or flames.
- Battery Preparation: Ensure battery is in a stable, level position. Clean battery terminals if corroded.
- Power Connection: Connect charger to a properly grounded 120V, 60Hz, AC outlet. Do not use an extension cord.
- Battery Connection: Connect RED clamp to POSITIVE (+) battery terminal. Connect BLACK clamp to NEGATIVE (-) battery terminal or vehicle chassis ground.
- Charger Settings: Select appropriate charge mode based on battery type (Standard, AGM, Gel, or Lithium).
- Initialization: The charger will perform an automatic battery test before beginning the charging process.
- Monitoring: Monitor initial charging process for proper operation. LED indicators will show charging status.
Specifications
| Model Series | SC1500 / SC2000 |
| Type | Fully Automatic Battery Charger |
| Color | Black with Yellow Accents |
| Charge Rate | 15A / 20A (Selectable) |
| Battery Compatibility | 6V / 12V Standard, AGM, Gel, Lithium |
| Control Type | Microprocessor Controlled with LED Display |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 6V / 12V DC |
| Power Requirements | 120V, 60Hz, 10A |
| Dimensions (HxWxD) | 12 x 8 x 6 inches |
| Weight | 8.5 lbs |
| Charge Modes | Standard, AGM, Gel, Lithium, Maintain |
Warranty Information
- Full Warranty: 3 years parts and labor
- Transformer Warranty: 5 years on heavy-duty transformer
- Additional Coverage: Optional extended warranty available
For warranty service, contact Schumacher Customer Service at 1-800-621-5485 or visit SchumacherElectric.com
Key Features
Microprocessor Controlled
Advanced microprocessor automatically adjusts charge rate based on battery condition, preventing overcharging and undercharging.
Multi-Stage Charging
Four-stage charging process (Bulk, Absorption, Float, Maintenance) ensures optimal battery health and maximum battery life.
Reverse Polarity Protection
Built-in safety feature prevents damage if clamps are accidentally connected to wrong battery terminals.
Battery Reconditioning
Special mode helps recover lightly sulfated batteries, potentially restoring lost capacity and extending battery life.
LED Status Indicators
Clear visual indicators show charging status, battery condition, and any error conditions at a glance.
Spark-Free Technology
Special circuitry prevents sparks when connecting clamps, reducing risk of battery explosion in flammable environments.
Charging Modes Explained
Standard Mode
For conventional flooded lead-acid batteries, provides optimal charging for automotive applications
AGM Mode
Specifically designed for Absorbent Glass Mat batteries with precise voltage control
Gel Mode
Lower voltage setting for gel cell batteries to prevent overcharging and damage
Lithium Mode
Special algorithm for lithium-ion batteries with different charge characteristics
Maintain Mode
Float charging for long-term battery maintenance without overcharging
Recondition Mode
Desulfation mode for recovering sulfated batteries with controlled pulses
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger won't turn on | Power issue, blown fuse, faulty outlet | Check power supply, replace fuse if needed, try different outlet |
| No charge output | Bad connections, dead battery, wrong mode | Check clamp connections, test battery voltage, select correct mode |
| Charger shuts off early | Overheating, battery defect, high resistance | Allow to cool, check battery condition, clean terminals |
| Error light flashing | Reverse polarity, bad battery, connection issue | Check connection polarity, test battery, ensure good contact |
| Slow charging | Low input voltage, long cables, battery size | Check outlet voltage, use shorter cables, select higher amp setting |
| Overheating | Ventilation blocked, high ambient temperature | Ensure proper ventilation, move to cooler location |
Error Codes & LED Indicators
- Solid Green: Charging normally - No action needed
- Flashing Green: Maintenance charging - Battery fully charged
- Solid Red: Error condition - Check connections and battery
- Flashing Red: Reverse polarity - Disconnect and check connections
- Red/Green Alternating: Battery defect - Test battery condition
- All LEDs Off: No power - Check power source and fuse
Manual Downloads
Current Model Manuals
SC1500
15A Speed Charge Pro
SC2000
20A Speed Charge Pro
SC1200
12A Speed Charge
SC1000
10A Speed Charge Lite
Popular Previous Models
SC800
8A Automatic Charger
SC600
6A Battery Maintainer
SC3000
30A Industrial Charger
SC2500
25A Heavy Duty Charger