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




