Fit for all kinds of helicopter models RC Drone UFO parts helicopter Syma X5C-1 X5SW X5SC X8tw X4H1007 F47 F180 UDI U830 RC Drone. Nominal Capacity :3.7V 450mAh 1.66Wh. Cell Size ：7.5 mm (thick) × 20 mm (width) × 35 mm (length).
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