| Engine | Z 14 XEL | Z 14 XEP | Z 16 XEP | Z 18 XE | Z 20 LEL | |
|---|---|---|---|---|---|---|
| Design | Maintenance-free | Maintenance-free | Maintenance-free | Maintenance-free | Maintenance-free | |
| Rated voltage | 12 volts | 12 volts | 12 volts | 12 volts | 12 volts | |
| Amperage | ||||||
| Basic version | 70 A | 70 A | 120 A | 70 A | 120 A | |
| Vehicles with air conditioning | 120 A | 120 A | 120 A | 120 A | 120 A | |
| Hot countries | 120 A | 120 A | 120 A | 120 A | 120 A | |
| Vehicles with Quick Heat | 120 A | 120 A | 120 A | 120 A | 120 A | |
| Engine | Z 17 DTL | Z 17 DTH | |
|---|---|---|---|
| Design | Maintenance-free | Maintenance-free | |
| Rated voltage | 12 volts | 12 volts | |
| Amperage | |||
| Basic version | 100 A | 100 A | |
| Vehicles with air conditioning | 100 A | 100 A | |
| Hot countries | 100 A | 100 A | |
| Vehicles with Quick Heat | 110 A | 110 A | |