随着青少年科技活动的不断开展,特别是电动模型活动和无线电活动的蓬勃发展,“电池”成了模型爱好者必备的动力源。如何正确选择和使用充电电池是广大模型爱好者关心的热点问题。笔者从事青少年科技模型活动多年,发现不少青少年对充电电池的选择和正确使用存在困难,现谈谈如何? With the continuous development of young people’s science and technology activities, especially the vigorous development of electric model activities and radio activities, the “batteries” have become an essential power source for model enthusiasts. How to correctly select and use the rechargeable battery is a hot issue for the majority of model enthusiasts. The author has been engaged in youth science and technology model activities for many years and found that many young people have difficulties in selecting and correctly using rechargeable batteries. What are you talking about now?