


The Schumacher RSC-1309 is engineered to deliver a robust 50A maximum current for rapid 12V battery recovery and engine starting. Supporting a wide capacity range of 20-500 Ah, this unit is compatible with both standard lead acid and high-performance AGM chemistries. Utilizing a 600 Watt power output, the device employs a multi-stage charging curve to ensure optimal energy density and cell longevity. Its heavy-duty metal construction provides a durable, portable housing for professional-grade alternator testing and desulfation tasks.
Quick Answer
The Schumacher RSC-1309 is highly recommended for users requiring a 50A fast charger and engine starter for 12V lead acid or AGM batteries with capacities between 20-500 Ah.
The Schumacher RSC-1309 is a heavy-duty 50A solution for those needing fast charging, engine starting, and desulfation for large 12V batteries.
| Brand | Schumacher |
| Model Name | RSC-1309 Fully Automatic Extreme Battery Charger and Engine Starter |
| Model Number | RSC-1309 |
| Category | N/A |
| Charger Type | Automatic Charger with Engine Starter |
| Device Compatibility | [object Object], [object Object], [object Object] |
| Launch Year | 2020 |
| Model Year | 2020 |
| Country Of Origin | USA |
| Manufacturer | Schumacher Electric Corporation |