The company STEF-POL specializes in manufacturing rectifiers and automatic chargers from 1980.

| Lp | Product Name | Model | Technical Data |
| 1 | Jumper cables rubber insulated, flexible in the cold | 200A | length 2,5m |
| 2 | Jumper cables rubber insulated, flexible in the cold | 400A | length 2,5m |
| 3 | Jumper cables rubber insulated, flexible in the cold | 400A | length 4m |
| 4 | Jumper cables rubber insulated, flexible in the cold | 400a | length 5m |
| 5 | Jumper cables rubber insulated, flexible in the cold | 600A | length 3m |
| 6 | Jumper cables rubber insulated, flexible in the cold | 600A | length 4,5m |
| 7 | Jumper cables rubber insulated, flexible in the cold | 600A | length 6m |
| 8 | Jumper cables rubber insulated, flexible in the cold | 900A | length 6m |