Batteries
Kronings power packs are the optimal solution
- Optima 2.7 power pack for caravans up to 1,650 kg.
- Optima 4.2 power pack for caravans up to 2,000 kg.
Optima is a dry tube cell battery and therefore requires special maintenance

Specifications
Technical information | Optima 2.7 YTS | Optima 4.2 YTS |
Standard capacity | 38A | 55A |
Voltage | 12V | 12V |
Max charging voltage | 13.1V | 13.1V |
Cut-off voltage | 10.5V | 10.5V |
Standard charge / discharge current | 1C | 1C |
charging time | 3 hours | 3 hours |
Maximum constant discharge | 2C | |
Length | 237mm | 254mm |
Width | 172mm | 172mm |
Height | 197mm | 200mm |
Weight | 12.6 kg | 19.9 kg |