Installation Guide
Tools Needed:
- Adjustable wrench
- Screwdrivers (flat and Phillips)
- Wire cutters/strippers
- Multimeter
- Safety gloves and goggles
Step-by-Step Installation
- Choose Installation Location: Select a well-ventilated, dry location away from flammable materials and moisture.
- Inspect Battery: Check battery for cracks, leaks, or damage before connecting charger.
- Connect Battery Cables: Connect RED clamp to POSITIVE (+) terminal, BLACK clamp to NEGATIVE (-) terminal.
- Power Connection: Plug charger into a properly grounded 120V, 60Hz outlet. Ensure outlet is not controlled by a switch.
- Select Charge Rate: Choose appropriate charge rate based on battery type and capacity (2A/10A/50A).
- Initial Setup: Set voltage selector to match battery type (6V/12V).
- Test Operation: Turn on charger and verify charging indicators are functioning properly.
Specifications
| Model Series | SC-1200A / SC-1500A |
| Type | Heavy Duty Battery Charger |
| Color | Black / Yellow |
| Charge Rate | 2A/10A/50A Selectable |
| Battery Compatibility | 6V & 12V Standard, AGM, Gel, Deep Cycle |
| Display Type | LED Indicators with Digital Readout |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 6V/12V DC Selectable |
| Max Output Current | 50A Engine Start, 10A Charge |
| Dimensions (HxWxD) | 30 x 25 x 15 cm |
| Weight | 8.5 kg |
| Cable Length | 2.5 meters |
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 extending battery life.
Multi-Stage Charging
Three-stage charging (bulk, absorption, float) ensures complete charging while maintaining battery health and preventing sulfation.
Battery Desulfation
Patented desulfation mode helps restore old or sulfated batteries by breaking down sulfate crystals on battery plates.
Engine Start Function
50A engine start capability provides emergency starting power for vehicles with dead batteries.
Battery Recondition Mode
Special reconditioning cycle helps restore deeply discharged batteries that won't accept a normal charge.
Reverse Polarity Protection
Built-in protection prevents damage if battery cables are accidentally connected incorrectly.
Charging Modes Explained
Standard Charge
10A charge rate for regular maintenance charging of automotive batteries
Deep Cycle
2A slow charge mode for marine, RV, and deep cycle batteries
AGM/Gel
Special charging algorithm for maintenance-free and AGM batteries
Engine Start
50A boost mode for emergency vehicle starting
Recondition
Restorative charging cycle for old or sulfated batteries
Float Maintenance
Continuous maintenance mode for seasonal or storage batteries
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger won't turn on | Power issue, blown fuse, faulty outlet | Check power supply, replace fuse if needed, test outlet |
| Not charging battery | Bad connections, dead battery, wrong settings | Clean battery terminals, verify connections, check settings |
| Overheating | Poor ventilation, excessive load, faulty fan | Improve ventilation, reduce charge rate, check cooling fan |
| Error lights flashing | Reverse polarity, bad battery, internal fault | Check connections, test battery, contact service |
| Slow charging | Low input voltage, long cables, battery condition | Check outlet voltage, shorten cables, test battery health |
| Engine start not working | Battery too dead, connections loose, charger overload | Charge battery first, tighten connections, wait for cool down |
Error Codes
- E1: Reverse polarity detected - Check cable connections
- E2: Over temperature - Allow charger to cool, improve ventilation
- E3: Output short circuit - Disconnect and check cables
- E4: Battery voltage too low - Battery may be beyond recovery
- E5: Charger overload - Reduce charge rate or load
- E6: Internal fault - Contact service center
Manual Downloads
Current Model Manuals
SC-1200A
Heavy Duty 12V Charger
SC-1500A
Heavy Duty 6/12V Charger
SC-1000A
Professional Series Charger
SC-2000A
Commercial Grade Charger
Popular Previous Models
SC-600A
6/12V Automatic Charger
SC-800A
Fully Automatic Charger
SC-120A
Portable Battery Charger
SC-300A
Manual Battery Charger