DC Voltage Current Meter Electric Capacity Tester Lithium Battery Internal Resistance Tester Coulomb Meter for Electric Ebike

Smart charger tester for lead acid gel agm li-ion battery electric bike scooter battery group voltage DC 5V-99V current 0.1-9.9A

ANENG A3008 Pen Multimeter 6000 Counts Digital Multimeter Meter Tester with LCD Display Backlight Flashlight NCV Auto-off Multiple Accessories for Voltage Current Resistance Capacitance Diode Continuity Test (Color Screen & Phase Sequence Measurement)