DIY How To Make a Powerful 12V 18200mAh 420A li-ion Battery Pack September 17, 2022 nicola DIY Battery Systems Home » DIY Battery Systems » DIY How To Make a Powerful 12V 18200mAh 420A li-ion Battery Pack DIY 420A li-ion Battery Pack18650 li-ion Battery pack 12.6V 18.200mAh Current 280A Pulse current 420ACredit ARM Tech Homemade PLease support our Sponsors - Or Buy an Item from our Catalog