Protruding Battery / Battery

Battery is an essential small power supply product in life, however, the cylindrical shape of the recent battery has some problems in use. The batteries that closely fitted together is not easy to be taken from the battery compartment. “Protruding Battery” is a new battery with bigger diameter in the middle, and this simple change is convenient to take the battery in many kinds. When the two batteries are end to end, tightly bonded together, simply press the end of “Protruding Battery”, the other end will curl up, which is convenient to take the batteries from the battery compartments.