Use the red and black port to charge the battery , and connect polarity reversely ,
The fuse was burnt , now please use the back-up fuse to put this place.
1808 SMD Fuse Fast Acting Ceramic
You can use the back up fuse to put “A” place , if it can work normal , you can use this fuse to replace that burnt fuse (at “B” place)
RD6006 -1808 SMD Fuse Fast Acting Ceramic 10A
RD6012 -1808 SMD Fuse Fast Acting Ceramic 20A
RD6018 -1808 SMD Fuse Fast Acting Ceramic 25A