BetaFPV 11.1V 3S 300mAh 45C Whoop/Micro Battery 2 Pack - XT30

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All batteries must be shipped by a ground shipping method.

These BetaFPV 3S 300mAh packs are nice and compact, designed specifically to suit the new Beta75X and Beta75X HD with a simple frame modification (see below)

Check out the rest of our mini/micro batteries, and out BetaFPV product selection!


  • Suitable for Beta75X 3S, continuous discharge rate is up to 45C, providing reliable power for the whoop.
  • High endurance power. You'll get 4.5 minutes of flight time on the Beta75X with smooth flight in a windless environment.
  • Small size and light weight, which is rare in the market.
  • This battery is packed with vibration-proof & fire-proof material and BetaFPVs battery box ensuring you get your battery in perfect condition.


  • Nominal Voltage: 11.1V
  • Capacity 300mAh
  • Cells: 3
  • Discharge Rate(Cont./Burst) 45C/75C
  • Max Charge Rate:
  • Dimensions: 16x16.5x48.5mm
  • Discharge Lead: XT30, 18AWGx50mm
  • Balance lead: JST-XH, 30mm
  • Weight: 26g


  • 2x BetaFPV 11.1V 3S 300mAh 45C Whoop/Micro Battery

How to fit this pack in the 75X Frame

If you want to update your Beta75X drone with this 3S battery, please kindly cut out these three sticks ①②③ by using scissors as shown in the following picture.