Installation Guide
Tools Needed:
- Wire cutters/strippers
- Screwdrivers (flat and Phillips)
- Wrench set
- Multimeter
- Safety gloves and goggles
Step-by-Step Installation
- Choose Installation Location: Select a dry, well-ventilated area 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 first, then 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 Mode: Choose appropriate charging mode based on battery type (Standard, AGM, Gel, or Deep Cycle).
- Set Charge Rate: Select appropriate amperage setting based on battery size and desired charging time.
- Initial Test: Monitor charger for first 15 minutes to ensure proper operation and no overheating.
Specifications
| Model Series | SC1355 |
| Type | Fully Automatic Battery Charger |
| Color | Black / Yellow |
| Battery Compatibility | 6V/12V Standard, AGM, Gel, Deep Cycle |
| Charge Rate | 2A / 10A / 55A Engine Start |
| Control Type | Digital Display with Microprocessor Control |
| Safety Features | Reverse Polarity Protection, Spark Proof |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 6V / 12V DC |
| Dimensions (HxWxD) | 30 x 20 x 15 cm |
| Weight | 4.5 kg |
| Cable Length | 1.5 meters |
Warranty Information
- Full Warranty: 3 years parts and labor
- Microprocessor Warranty: 5 years on control board
- 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
Three-stage charging process (Bulk, Absorption, Float) ensures optimal battery health and maximum battery life.
Battery Recondition Mode
Special mode helps recover and recondition deeply discharged batteries, restoring them to usable condition.
AGM/Gel Compatible
Specifically designed to safely charge AGM (Absorbent Glass Mat) and Gel cell batteries without damage.
55A Engine Start
Provides 55 amps of engine starting power to start vehicles with completely dead batteries.
Reverse Polarity Protection
Built-in safety feature prevents damage if battery cables are accidentally connected incorrectly.
Charging Modes Explained
Standard Charge
For regular lead-acid batteries, provides optimal charging for maintenance
AGM Mode
Special algorithm for Absorbent Glass Mat batteries, prevents overcharging
Gel Cell Mode
Lower voltage setting for sensitive gel cell batteries
Deep Cycle
Extended absorption time for deep cycle marine/RV batteries
Recondition Mode
Desulfation mode to recover deeply discharged batteries
Engine Start
55A boost mode to start vehicles with dead batteries
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger won't turn on | Power issue, faulty outlet, tripped breaker | Check power supply, test outlet, reset circuit breaker |
| Not charging battery | Bad connections, dead battery, wrong mode selected | Check cable connections, test battery voltage, select correct mode |
| Overheating | Poor ventilation, high ambient temperature | Move to cooler area, ensure proper airflow around charger |
| Error lights flashing | Reverse polarity, bad battery, internal fault | Check connections, test battery, contact service center |
| Slow charging | Low charge rate selected, large battery capacity | Increase charge rate, allow more time for charging |
| Spark when connecting | Charger turned on, battery load present | Always connect cables with charger turned off |
Error Codes
- E1: Reverse Polarity - Check cable connections
- E2: Battery Voltage Too Low - Battery may be damaged
- E3: Battery Voltage Too High - Check battery condition
- E4: Charger Overheating - Allow to cool, improve ventilation
- E5: Internal Fault - Contact service center
- E6: Bad Battery Connection - Check cables and terminals
Manual Downloads
Current Model Manuals
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