✅Various Battery Test Results: The battery analyzer adopts the latest conductivity method for measurement and accurate test results. Including internal resistance, voltage, state of health (SOH), battery power (SOC), and CCA.
✅Plug and Play: Just connect the clip of the tester to the battery, and it will open and be ready to test and analyze the battery. Reverse connection of the positive and negative poles will not damage the equipment, nor affect the car or battery. 
Model: KINGBOLEN BM550
Display: 1.8-inch high-definition backlit screen
Test range: 6V/12V/24V
Connection method: positive and negative alligator clips
Ah range: 2~220Ah
CCA range: 100-2000 CCA
Working voltage: 4.9V~32V
Working temperature: -20°C~50°C
Size: 124×69.6×22.6mm
What is the difference between the BM series Battery Tester products?

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KINGBOLEN® BM520 6V 12V 24V Auto Battery Tester
Sale price $49.99Regular price $59.99 -
KINGBOLEN® BF200 DOT3 DOT4 DOT5.1 Brake Fluid Tester
Sale price $24.99Regular price $29.99 -
KINGBOLEN® EL-50448 TPMS Relearn Tool for GM Cars
Sale price $9.99Regular price $12.99 -
KINGBOLEN ECT600 12/24V Car Battery Tester Multi-function Battery Analyzer 0-80V DC With 10m Extension Cord
Sale price $159.99Regular price $199.99