The ACT GOLD-PLUS 6/12V Intelligent Battery Tester is a dual voltage intelligent battery tester, designed for 6V and 12V lead acid batteries from 1.2Ah to 100Ah. It’s the only product of its kind to have an Ampere-hour (Ah) calibration control, enabling Ah readings to be adjusted to suit various battery technologies including standby SLA, cyclic GEL and car FLOODED batteries. The innovative pulse analysis software employed by the GOLD-PLUS enables accurate Ah capacity results based on the battery age, temperature and state of charge. Quick and easy to use, the GOLD-PLUS is ideal for those who need to test multiple battery technologies effectively.