4: Low current charging mode (6V 2A, 12V 3A, 24V 5A). 6: High current charging mode (6V 10A, 12V 30A, 24V 16A). Output Current:6V Max 10A /12V Max 30A/24V Max 16A. Suit for Battery Type:Lithium,LiFePO4,Lead-acid[AGM,GEL,SLA,Flooded,WET,EFB,etc.].
HTRC 35 Amp Lithium Battery Charger 12V35A/24V18A, Smart Lifepo4 Battery Charger
DEWALT DXAEC80 30 Amp Bench Battery Charger 80 Amp Engine Start
DeWalt 30-Amp Bench Battery Charger & Maintainer with 100-Amp Engine Start