Run them off batteries. You will have to have more than one obviously and you will probably need either a heavy duty alternator or 2 of them. References :
or, you could use an inverter to power your freezers. just be sure that you use a good quality deep cycle battery. this deep cycle battery is charged by the vehicle's alternator. auto parts stores can help you with the inverter and batteries. these units are quiet. generators are noisy and require maintenance. inverters operate at 96% efficiency. if there is a Alternate Energy Dealer near you, they can also help. I have installed inverters for this type of application, and it works very well. References : I am a dealer who sells this type of equipment.
A generator
References :
Run them off batteries. You will have to have more than one obviously and you will probably need either a heavy duty alternator or 2 of them.
References :
Most of the vendors on my local beach have small generators.
References :
or, you could use an inverter to power your freezers. just be sure that you use a good quality deep cycle battery. this deep cycle battery is charged by the vehicle's alternator. auto parts stores can help you with the inverter and batteries. these units are quiet. generators are noisy and require maintenance. inverters operate at 96% efficiency. if there is a Alternate Energy Dealer near you, they can also help. I have installed inverters for this type of application, and it works very well.
References :
I am a dealer who sells this type of equipment.