Car Battery Tester 12V BT-172 Digital Voltage Meter LED Charging Analyzer

Key Features:

• Multifunctional Battery & Charging System yzer: Designed for 12V automotive batteries, this device accurately measures battery voltage and evaluates the performance of your vehicle’s alternator and charging system. Simply connect the alligator clips to diagnose battery health and charging output.

• Clear LED Status Indicators: Equipped with a digital display and color-coded LED lights (green, yellow, red, blue, white) that instantly show battery status—FULL (normal), MEDIUM (slightly low), LOW (needs charging), EMPTY (dead), HIGH (overcharging), GOOD (alternator OK), DEAD (faulty battery), and REVERSE (polarity error). No complex interpretation needed.

• & Protective Features: Built-in reverse connection alert (audible buzzer + LED warning) prevents damage from incorrect hookup. Overvoltage cutoff ensures safe use when checking the charging system. The rugged rubber housing with insulated alligator clips adds durability and user .

• Easy-to-Read Digital Display: The bright LED screen shows real-time voltage readings with precision. Whether checking a stationary battery or a running engine, you get immediate voltage readings for quick diagnostics.

• Compact & Portable Design: Lightweight and pocket-sized (115×70×20mm, 78g), this yzer is perfect for DIYers, mechanics, and roadside emergencies. The integrated alligator clips provide secure connections without holding probes.

Specifications:

• Model：BT-172

• Material：ABS Plastic + Rubber

• Voltage Type：12V DC

• Display：LED Digital Screen

• LED Indicators：Red / Yellow / Green / Blue / White (Color-coded for status)

• Warning Type：Audible Buzzer for Reverse Polarity & Low/Dead Battery

• Operating Temperature：0°C – 40°C (32°F – 104°F)

• Item Dimensions：115 × 70 × 20 mm

• Item Weight：78 g

Package Contents:

• 1 x BT-172 Battery Tester

• 1 x User Manual (Instruction Manual)

• 1 x Packing Box