The first tester (Part 77016) has been innovatively designed to carry out both battery and system testing, thus allowing different loads to be operated on the vehicle while the battery condition and charging system are both constantly monitored. It covers 6/12 volt batteries and also 12/24 volt charging and starting systems.

It is priced around £399 and comes complete with a handy shoulder carrying case and spare print paper

The second (Part 77015) is capable of comprehensively testing the condition of batteries to identify their precise state of heath.

The CCA can be entered, along with alternative ratings (such as SAE/EN/DIN) to produce an extensive and detailed analysis. It has the ability to handle 6/12 volt batteries and costs around £299.

Again is supplied with handy shoulder carrying case and spare print paper.

The third tester (Part 77017), selling at about £159, has automatic temperature compensation and a digital display. It will handle batteries with charges between 1.5 and 15 volts, including, 6/12volt.