1)3.7V 14500 li-ion battery, with safe protection circuit

2)used for led torch,and games,toys

3) charge limit voltage 4.2V and discharge limit voltage 2.75V

4)Eco-friendly,No memory effect

5)Other size: 14500, 14250, 18650, 18500, 17500, 17335, 10430, 22430, 22650, 26430, 26650