What's mean Battery Recovery Rate(4)?

What's mean Battery Recovery Rate(4)? What's mean Battery Recovery Rate(4)?
   
 When the defective component of a machine is replaced, only the replaced part is new; the rest of the machine remains in the same condition. If the separator of a nickel-based battery is damaged by excess heat or is marred by uncontrolled crystalline formation, that part of the battery will not improve. Other methods, which claim to restore and prolong rechargeable batteries, have produced disappointing results. One method is attaching a strong magnet on the side of the battery; another is exposing the battery to ultrasound vibrations. No sci View the rest of this article