Deep fryer is the best tool that you can use to fry things when you are at home but if you do not know anything about them then you should go to fryingchef.co.uk where you would be able to find information on different sorts of deep fryers that are available.
The capacity of a deep fryer matters a lot because it will allow you to cook the amount of food that you intend to. Every person and family has different amount of food so they should buy a deep fryer accordingly. Before you go to buy a deep fryer, you should know how much food you wish to fry in it at a time. If you buy the wrong size, it can be problematic like if you buy a small deep fryer when you should have gotten a large one, you would need to fry your food in multiple batches which is time consuming and quite a hassle. Approximately, we can say that a 4 cup deep fryer can easily make two small serving, a 6 cup would make around three small serving and a 12 cup deep fryer would produce enough fried food to feed an entire family.
We would always recommend that you buy electric deep fryers with higher power because those are the best kinds as they are able to heat up the oil in no time and once the food is put in, the oil quickly restores back to the right temperature which allows food to be crispy on the outside and moist on the inside.
It is better to go for deep fryers that have adjustable temperature setting as it will allow you to cook all sorts of food which does not require the usual temperature.