The positive and negative poles of the lithium battery are out of power
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
Leaving the Negative lead on #1, now touch the Positive lead to #3, 8 times, very briefly. 5.) ... and finding the polarities of the battery pack pins. Your power supply brick should at least be close to the same voltage as your battery. (You''ll need a voltmeter to check the battery pin polarities). ... but I just did it. I jumped an M18 red ...