Dlyfull Universal Battery Tester with LCD Display, Small Digital Battery Voltage Resistance Checker for Ni-MH, Ni-CD, Li-ion, Alk & LiFe04 Batteries(AA AAA C D 9V 12V 18650 CR123A 2CR5 CR2032 Cells): Amazon.com:
HW 586 ZB2L3 1.2v 12v 18650 Li ion Lithium Battery Capacity Tester Resistance Lead acid Battery Capacity Meter Discharge Tester|battery capacity|li-ion 12v18650 12v - AliExpress