4S9P 14.8V 27Ah 16.8V 27Ah 200A high current SONY US18650VTC6 Lithium-Ion battery pack with holder bracket - Lithium polymer Li-polymer 3.7V Custom 18650 Lithium Ion battery pack, 18650 batteries, battery housing China
Sony VTC5A 18650 Battery (Authentic) High Drain FREE Battery case included
Amazon.com: Ltvystore 18650 Battery Case Holder, 5 Pack 3 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case with Pin for 3 x 18650 : Electronics
How to use Fusion 360 to design a 18650 Li-ion Battery Holder for HIGH Current - YouTube