If you have previously been flying with NiCad or NiMH batteries, switching over to lithium polymer will result in a different number of cells being used.

• 市场上有许多电池可供选择，最好的方法是看电池的放电曲线，比较近似尺寸重量和电池数的电池看在各种放电电流下电压下降快慢。