Battery Testers

The model 307A insulation tester is intended primarily for periodic testing of industrial motors, transformers, electrical wiring, and cable insulation for signs of deterioration. Low readings may indicate impending failure allowing for permit replacement of suspect component during routine maintenance rather than risking component failure. It ...more

This handy capacitance meter (0.1 pF to 20 mF) and ohm meter (0.1 ohm to 20M ohm) also tests: transistors, beta, diodes, SCRs, LEDs and batteries. 3 1/2 digit extra large (0.8' digit) high contrast LCD display. Capacitance zero adjustment ...more

All STS Battery Element Testers provide a unique method for the detection of assembly level insulation defects in lead-acid batteries, including missing and damaged separators. Detection of such faults prior to filling and charging the battery minimizes costly reclamation. Traditional AC dielectric tests can detect such faults, but may produce ...more

Tests all common batteries to determine if they are charged or need replacement. ...more

No Ground or clip required. No ground wire means no wire tangles nor time lost searching for grounding points. High Impedance Electronic circuitry. Safety V-groove needle accessory for piercing and carrying. Negligible current draw ( 20 micro-amps) is 10,000 times less than regular lamp type testers. This gives complete safety when working arou ...more

This model is designed to convert your car's existing cigarette lighter socket into : 1x cigarette lighter socket + 3x 12V dc socket. ...more

10 Amp Fast Charge – charger monitors battery condition and adjusts charge rate downward to prevent battery damage; for car, light truck, marine, RV, farm equipment, AGM ... ...more

12 Amp Fast Charge – charger monitors battery condition and adjusts charge rate downward to prevent battery damage; for car, light truck, marine, RV, farm equipment, AGM ... ...more

Heavy-duty for 24-volt battery and electrical systems. Diagnoses battery packs in series, parallel, or series/parallel. Test AGM/gel cell batteries. Deluxe kit includes 24-volt heavy-duty battery tester, 15 ft. test leads, instruction manual, and molded plastic carrying case. ...more

Provides instant feedback of a possible parasitic battery drain condition eliminating unnecessary replacement of battery or charging system components. Preserves vehicle computer memory. ...more

Test 6 and 12 volt battery, charging and starting systems with a tester that is built tough for the shop environment. Large LCD displays for readability. Controls are easy to understand and use. Ten foot leads fit larger vehicles. The high capacity inductive amp probe has two ranges to measure from 100 Milliamps up to 600 amps. A 1" x 3/4" opening ...more

Test 6, 12 and 24 volt battery, charging and starting systems with a tester that is built tough for the shop environment. Large LCD displays for readability. Controls are easy to understand and use. Ten foot leads fit larger vehicles. Welded steel case has a baked powder-coat finish for durability, large rubber feet for stability, and a broad handl ...more

For everyday do-it-yourself use. Easy to operate. Test load, battery condition, starter motor draw and complete charging system diagnosis. Works on 6 and 12 volt batteries. ...more

Automatic Tests guide you through test procedures, then print the results. Large LCD display for readability. Controls are easy to understand and use. Welded steel case has a baked powder-coat finish for durability, large rubber feet for stability. The high capacity inductive amp probe has two ranges to measure from 100 Milliamps up to 600 amps. A ...more

Speed. Accuracy. Reliability. These are the cornerstones behind the technology in our digital battery testers. 3183 tests 12 volt batteries (125-1400 CCAs) and analyzes by measuring multiple parameters within the battery to deliver accurate results.A live voltmeter allows easy starting/charging system testing. Its bright,4 digit LED display in ...more

For AAA (LR3), AA (LR6), C (LR14), D (LR20), E-block (9V), CR123A, CR2, CR-V3, 2CR5,CR-P2 and button cell batteries. Battery status indicated on LCD display. Designed for use with standard, Lithium-Ion and rechargeable batteries. ...more

This charger gives fleet operations, D-I-Y’ers and professionals a wide ... charges a small 12 volt battery in 2 to 12 hours.• Multi-function tester.• Two rotary switches.• ""Hold"" position on timer switch – for ... ...more

Heavy-duty model for big fleet operations and industrial use. Ideal for repair shops that need a lot of power and the ability to test batteries and alternators. Two rapid charge settings. Very high-output engine start assists batteries in cranking most engines under severe weather conditions. For 6 and 12 volt batteries. ...more

For batteries: * button cells: 1.5V/1mA * AA and N: 1.5V/50mA * C and D: 1.5V/150mA * lithium cells: 3V/1mA, 6V/10mA, 9V/10mA, 12V/10mA, 15V/10mA, 22.5V/10mA. ...more

Tests batteries, alternators, regulators, and starters. Direct-from-battery tachometer feature gives RPM readings without complicated hookups to ignition system. Also, ammeter/voltmeter capabilities. Evaluates discharged or charged batteries in one minute. Tests all 12-volt automotive and heavy-duty batteries with cold cranking amp ratings of ...more

For AAA (LR3), AA (LR6), C (LR14), D (LR20), E-block (9V) and button cell batteries. ...more

Full Function DMM. kV Tester. Sensor Tester. Fuel Injection Tester. Pressure Tester. Battery Drain Tester. Ground Tester. Noid Lights. Charging System Teste. All features are included: Volts, Ohms, Amps, BATT, ELEC, SEN, FUEL, and IGN. The kit includes the ignition DAT leads as shown.  ...more

Features Volts, Ohms, Amps, Battery Drain Test, and Electrical System Test functions. The kit includes the electrical DAT and manual. ...more

Your personal home / auto electrical tester. Use this versatile and affordable tester to safely and accurately troubleshoot a variety of automotive and household electrical problems. 10 MegOhm circuitry prevents damage to sensitive automotive electronics. Includes test lead holders for hands-free testing. Household uses include: outlets, fuses ...more

This tester provides a fully automatic pulse load test to determine the state of charge or state of power for more than 15 battery types. The pulse load test simulates real power demand and thus measures battery performance, not just voltage. Its small size (2 7/8(w) x 4 1/4(l) x 7/8(d)") makes it ideal for inclusion in the gadget bag, the toolbox ...more