Liiontester 3D Print Models
10000+ 3D Print Models
printables.com
ZB2L3 Tester-18650 version for single and double boards
FREE
makerworld.com
Multifunctional power supply (lithium battery capacity internal resistance tester and DC adjustable power supply)
FREE
printables.com
8-Channel 21700 18650 Lithium Battery Auto Charge/Discharge Tester Capacity
FREE
printables.com
Li-Ion battery hardcases in several sizes (18650, 21700, 32700, 40160) and configs