The battery mounted on your E-TEN phone no longer holds the charge? The battery life is getting shorter each day and you have to recharge your E-TEN phone several times each day? A concern that unfortunately affects all phones! The battery of a phone automatically alters with time but with Doctor Batteries, say goodbye to all your battery problems. You will not need to always bring your charger with you, you have the opportunity to search the E-TEN phone battery you need to give a second life to your phone E-TEN.