Zhiyun-Tech 3.7V, 2000mAh Li-Ion Batteries for Smooth-II, Evolution, Crane Version 1 (18650) 

These Zhiyun-Tech 3.7V, 2000mAh Li-Ion Batteries are a set of two 18650-sized batteries that can power your Smooth-II, Evolution, or Crane Version 1 gimbal. This set can be used to replace your original set of batteries, or be used as spares that you can swap out when your first set becomes depleted and needs to be recharged.

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