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OS Engine MAX 55AX (40K) with E-3070 Silencer OS15612
just a little glue makes these simple enough to construct in one night
Servo extension(s) may be required
12C charge rating
Hacker TopFuel ECO-X 4S 3000mAh 20C MTAG LiPo Battery 93000431 low-stock-2 OS Engine MAX 55AX (40K)Hacker TopFuel ECO X 4S 3000mAh 20C MTAG LiPo Battery 93000431 Our new TopFuel ECO X series 20C. High quality and resilient LiPo cells at a fair price, proven a thousand times the ECO X cells are perfectly balanced between ampacity, weight and durability The battery is readymade soldered with the XT60 connector system and is perfectly suitable for the rough everyday use. It can be used in all aircraft or ship models as well as in the R C car scene.