| 摘要 |
A rechargeable battery (100) comprises a housing (113), at least one battery element (115), and a light source (111) assembled to form a part of contact surface (S) of the rechargeable battery (100), the contact surface (S) adapted to receive an electronic device (200); and means (107) for receiving a control signal for switching the light source (111) on or off. <IMAGE> |
