This site contains affiliate links for which we may be compensated.
AB Tools 12 V Car Battery and Alternator Charge Tester with 6 LED Display£3.95
Professional tool for commercial or occasional use -Suitable for testing the vehicles 12V battery and charging systems -6 Colour LED display for accurate state of the battery -Easy read LED traffic light system indicates the status of the battery and alternator charge -Simple to use simply clips to the battery -Voltage test range - 10 V DC - 17 V DC.