Installation Guide
Tools Needed:
- Adjustable wrench
- Wire strippers
- Screwdrivers (flat and Phillips)
- 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, BLACK clamp to NEGATIVE (-) terminal.
- Power Connection: Plug charger into a properly grounded 120V, 60Hz outlet. Ensure outlet is GFCI protected.
- Select Charge Mode: Choose appropriate charging mode based on battery type (Standard, AGM, Gel, Deep Cycle).
- Set Charge Rate: Select appropriate amperage setting based on battery size and condition.
- Initial Test: Monitor charger for first 15 minutes to ensure proper operation and no overheating.
Specifications
| Model Series | SC1500 / SC1325 / SC1200 |
| Type | Automatic Battery Charger/Maintainer |
| Color | Black / Yellow |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 6V / 12V Selectable |
| Charge Rate | 2A / 10A / 50A (Model Dependent) |
| Battery Compatibility | Standard, AGM, Gel, Deep Cycle |
| Display Type | LED Indicators / Digital Display |
| Safety Features | Reverse Polarity, Overheat, Short Circuit Protection |
| Dimensions (HxWxD) | 25 x 18 x 12 cm |
| Weight | 3.2 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
Automatic multi-stage charging (Bulk, Absorption, Float) ensures optimal battery health and maximum battery life.
Battery Recondition Mode
Special recondition mode helps recover deeply discharged batteries and prevent sulfation buildup.
AGM/Gel Compatible
Specifically designed to safely charge AGM (Absorbent Glass Mat) and Gel cell batteries without damage.
Engine Start Assist
High-amperage models include engine start function to help start vehicles with weak batteries.
Float Mode Monitoring
Automatically switches to float mode once battery is fully charged, maintaining optimal charge without overcharging.
Charging Modes Explained
Standard Charge
For regular lead-acid batteries, provides optimal charging for automotive applications
AGM Mode
Special algorithm for AGM batteries, prevents overcharging and gas generation
Deep Cycle
Extended absorption time for deep cycle batteries used in marine/RV applications
Recondition
Desulfation mode to recover old or sulfated batteries
Maintenance
Float charge mode for long-term battery maintenance during storage
Engine Start
High current mode to assist starting vehicles with weak batteries
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger won't turn on | Power issue, blown fuse, faulty outlet | Check power supply, replace fuse, test outlet with another device |
| Not charging battery | Reverse polarity, bad connections, dead battery | Check connections, ensure proper polarity, test battery voltage |
| Overheating | Poor ventilation, high ambient temperature, overload | Move to cooler area, ensure ventilation, reduce charge rate |
| Error lights flashing | Faulty battery, reverse polarity, short circuit | Disconnect and reconnect, check battery condition, inspect cables |
| Slow charging | Low input voltage, long cables, battery sulfation | Check outlet voltage, use shorter cables, try recondition mode |
| Spark when connecting | Charger turned on, battery load present | Always connect cables with charger off, connect negative last |
Error Codes & Indicators
- Red Flashing: Reverse polarity - Disconnect and correct connections
- Green/Red Alternating: Battery voltage too low - Use manual mode or replace battery
- Solid Red: Charging in progress - Normal operation
- Solid Green: Charge complete / Maintenance mode - Normal operation
- All Lights Flashing: Overheat condition - Allow to cool, improve ventilation
- No Lights: No power / Internal fault - Check power supply, contact service
Manual Downloads
Current Model Manuals
SC1500
15A Automatic Charger/Maintainer
SC1325
25A Engine Starter/Charger
SC1200
10A Fully Automatic Charger
SC1353
35A Fast Charger/Engine Starter
Popular Previous Models
SC1001A
10A Manual Charger
SC6005
6A Automatic Charger
SC2000
20A Charger/Maintainer
SC800
8A Automatic Charger