How to Charge a Series-Connected Battery Pack
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
The charger must support the series battery (e.g. for 2x 4s batteries, ... (e.g. an internal cell short in one pack could light all packs on fire) ... (and connected in the right order) or funky stuff like short circuits and fires could happen!