![BETAFPV Cetus FPV Kit Manual Download Page 10](http://html1.mh-extra.com/html/betafpv/cetus-fpv-kit/cetus-fpv-kit_manual_2742845010.webp)
l When the charger’s LED turns solid green, charging is complete.
Two batteries can be charged at the same time. Charging a fully discharged battery takes
approximately 20 minutes. When the battery is inserted into the TEST port and the charger is
not plugged in via
USB cable
, the current battery level will be displayed. 4.30 indicates a fully
charged battery while 3.30 indicates the battery is low.