Battery tester+OBDII-BT 300 pro

MAIN Functions:
Battery Test:
Display voltage, charge and internal resistance, analyze test results: good battery, good-recharge, charge & retest, replace, bad cell.

Cranking Test:
Analyze the actual cranking voltage, and help you quickly to know the state of the starting system.

Charging Test:
Test different parts of charging system for a reliable charging volt value.

OBDII Functions: Test different parts of charging system for a reliable charging volt value.
Read codes
Erase codes
I/M readiness status
Read data stream
View freeze frame data
Display O2 sensor test
On-boarding monitoring test
Evap system test
Retrieve vehicle information