Four-line TS457 DC5V Lithium Battery Internal Resistance Meter Tester Quality Detector 18650 Dry Battery 1Pcs(Kit 2)

Temperature ControllersFour-line TS457 DC5V Lithium Battery Internal Resistance Meter Tester Quality Detector 18650 Dry Battery 1PcsModel Number : TS457 Voltage internal resistance testerType : Household Battery TesterDIY Supplies : ELECTRICALCaution : Do not test AC power, do not test voltages above 45VWorking voltage : DC5V (do not supply power with overvoltage)Test principle : AC 4-wire methodVoltage testing range : 0.001V~45.00V, maximum resolution 0.001VInternal resistance measurement range : 0.1m ~6.999 , maximum resolution 0.1m Data recording : Supports recording 5 sets of internal resistance measurement dataVoltage display fine-tuning : SupportsInternal Resistance Display Fine Adjustment: : SupportsAutomatic shutdown : Supports 1-9 minute standby time adjustmentBacklight brightness: : Supports 1-9 levels of display backlight brightness adjustment

• Temperature Controllers