My Nokia 3120 phone can do a week or so between charges quite easily, and is very small. It has a paygo sim in it with £10 of credit for emergencies and sits in

My Nokia 3120 phone can do a week or so between charges quite easily, and is very small. It has a paygo sim in it with £10 of credit for emergencies and sits in the kitchen drawer. As others have mentioned, the new Nokia branded basic phones have good battery lifetimes, although the build quality is basic and I find the buttons quite plasticky