It is a very convenience equipment for testing all kinds and shapes of cellular phone's battery, two polarity contact pins of battery tester can be vertical and horizontal free direction adjusted to fit any shape of battery, no more many different type battery adapter for testing many different shape of batteries. just put the battery in the battery cartridge, and this battery tester / analyzer can run quick test for inspecting the battery's quality and performance just in 15 seconds, you can also run rapid full testing (requires 2 - 3 hours) or standard full testing (requires 4 - 8 hours) for checking out the over charging protection, over discharging protection, Capacity, charging time and discharging time of your battery pack, further more, the Version III Battery Analyzer comes with much powerful feature as it can test up to 7.2V Digital Camera and Digital Video Camcorder battery packs; and the testing result is much accuracy compare to old version, especially the testing data of battery capacity and internal resistance is much precision; up to 4.3V charging voltage (last version is 4.2V over charging voltage) for meeting to the latest specification of over charging protection circuit can be tested without miss-reporting; two kinds of testing method 1C (fast charging/discharging current) and 0.2C (slow charging/discharging current for particular accuracy testing result) for user slection, user may also print the inspection report of battery by connecting this battery tester to your computer with appropriate COM port cable. This universal battery tester/analyzer is a great testing equipment for fleet battery users, cell phone dealers and battery sale's centers.