Free Shipping on EX & HP Batteries
Main Land Usa, Canada & Mexico*
The great firmware holiday update is finally here! With version 8.0 of the SFK BMS app, you will be update the firmware of your SFK-300HP and SFK-275EX batteries using the data port & official SFK data cable. Please view the video below to see how this process is done:
Please note as of this posting, this is only available on android devices such as phones and tablets.
