Do You Need A Dual Battery To Run A Fridge. Lithium is even more expensive A cheap starting battery wont run a fridge reliably or for long. Youll also need a solar controller between the solar panel and battery to regulate the charge going into the battery.
There are several different battery and portable power pack types and the best of the conventional types cost plenty. You can of course do it without any protection except your memory. If you have a refrigerator that runs at around 700 watts which is fairly average then you will be likely to get around 9 hours of run time out of it this is a godsend during a black-out.
You should try and avoid taking the batterys power to below 50 of its capacity.
To keep the fridge running while the vehicle is parked you need plenty of reserve. F or most of us who enjoy camping and fourwheel drive touring its essential to have a portable fridge. The original starting battery and a 2nd auxiliary battery which can be used to power your 12 volt camping fridge and other 12. The auxiliary battery is used to run the fridge and any other 12v accessories.
