INSTANTLY READ YOUR BATTERY & ALTERNATOR, DRIVE WITH TOTAL CONFIDENCE

Product Attributes
Colors: Black
Sizes:
Car Battery Tester: 4.71*2.75*0.78 inch
Alligator Clip: 2.64*1.45*0.44 inch
Cable: 12.2*0.09*0.09 inch
Weight: 3.76 oz
Material: ABS, PVC
Packaging: 1x Car Battery Tester, 1x Package Insert

LED Status Guide
FULL (Solid Blue): Battery fully charged & in optimal condition
MEDIUM (Solid Green): Battery voltage slightly low; recommend recharging soon
LOW (Flashing Red + Buzzer): Critically low power; immediate charging required
EMPTY (Solid White): Battery completely drained; must recharge before use
HIGH (Solid Blue): Alternator overcharging (voltage abnormally high)
GOOD (Solid Green): Alternator output normal & stable
DEAD (Flashing Red + Buzzer): Battery voltage critically low; professional inspection advised
REVERSE (Solid Red + Buzzer): Clips connected backward; swap red/black immediately

Product Feature & Functions
Dual Display Clarity: Digital LCD shows real-time voltage & color-coded LEDs indicate battery/alternator status for instant diagnostics with this 12 volt battery tester
Error Alerts Protection: Audible buzzer and red LED warnings activate for reverse connections or unsafe voltage levels, safeguarding your battery analyzer during operation
One-Click Diagnosis: Toggle between alternator and battery modes with clear LED status guides (FULL to DEAD), making checks intuitive using the auto battery tester