LED 12V Car Battery Tester Load Alternator Charging Cranking Diagnostic Tool
$5.99
How to use BM310 12V Digital Car Battery Tester ?. Battery tester size: 12 5.2 1.8cm / 4.7 2 0.7in. 1 x 12V Digital Battery Alternator Tester. Signal testing through low frequencies does not require an extemal charging.
