The ANENG BT-172 Car Battery Tester is a compact, reliable diagnostic tool designed to quickly check the condition of your vehicle’s 12V battery and charging system. It connects directly to the battery using crocodile clip leads, ensuring a secure and accurate connection every time.

The bright LED digital display shows real-time voltage, while clear indicator lights display battery status—Full, Medium, Low, or Empty—so you can instantly understand your battery’s health. The tester also evaluates the alternator/generator output, helping identify charging problems before they lead to starting issues or battery failure.

Built-in protection indicators warn of overvoltage, reverse polarity, and electrical faults, making it safe and easy to use for everyday drivers, DIY enthusiasts, and professional technicians.

Key Features:

  • Designed for 12V automotive batteries
  • Crocodile clip leads for direct battery connection
  • Battery condition indicators: Full / Medium / Low / Empty
  • Alternator (generator) charging system test
  • Reverse polarity, overvoltage, and fault detection
  • Plug-and-play operation with no setup required
  • Compact, durable housing for workshop or vehicle storage

Suitable for: Cars, SUVs, motorcycles, and other 12V vehicle systems.

A simple, dependable tool to keep your battery and charging system in check—fast, accurate, and easy to use.

ANENG BT-172 12V Car Battery & Alternator Tester with LED Voltage Display

  • Product Code: BT-172
  • Availability: In Stock
  • £3.95


Tags: 12V battery tester, car battery tester, alternator tester