| 摘要 |
<p>A charging system for an electrical appliance, for example an electric toothbrush (2) with a rechargeable battery (20) incorporated therein. After use the appliance is placed in a stand (4) which accommodates a charger (6) which recharges the rechargeable battery (20) via electrical contacts (22). The charging system comprises means (10) for measuring the degree of charging of the rechargeable battery (20). In order to extend the life of the battery (20) the battery (20) is charged only if the degree of charging is smaller than a threshold value.</p> |
