fit-IoT Users Forum

Hi, I need to replace RTC battery on Fitlet-B.
But the CR1220 battery I bought is not wired as the original one on my Fitlet. Red <> Black. See picture


Is it safe to use the new one ? If not, where can I buy CR1220 battery with correct wiring ?

Thank you.

Hi,
how to upgrade fillet i HW rev 1.1 board to rev 1.2 ?
Thank you.