From Futaba:
Introducing Futaba’s new BR-4000, this battery checker is feature packed with all the functions you could want in a compact battery checker.
The ability to balance your battery, test your receiver’s PWM and SBUS outputs make it a full powerhouse with your Futaba Equipment.
Additionally, we all know the heart sinking feeling of getting to the field and realizing you forgot to charge your transmitter! With the BR4000 and its USB charging capability you are now able to charge from one of your on-hand flight packs into one of the many radios and transmitter batteries that support USB-Micro/C charging.
#01102372-1 – $49.99
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