I own two of OE these batteries for my HYPER GO 207 and 210. The fit perfectly in the chassis battery compartment. The 11.1 Volt, 1050 mAh and 25 C rating are an excellent balance for the car's performance. I have tried higher rated C batteries with these cars and I still return to these OE batteries. They are optimum for the cars performance and run time.
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Nick D.
MJX HYPER GO 11.1V 1050 mAh BATTERY (3S) For 16207