Precise battery testing to quickly and accurately verify the condition of watch batteries, helping watchmakers confirm issues without guesswork. Wide compatibility to test different battery types, including round coin cells and rectangular batteries, reducing the need for multiple testers. Durable plastic construction designed for reliable, longlasting use in busy workshop environments. Easy to use with a straightforward workflow that fits naturally into standard processes. Use scenarios In a professional watch , verify battery condition before replacement to ensure proper service and reduce unnecessary work. In a battery supplier or center, screen and validate stock of both round and rectangular batteries to ensure only good units are used or sold. Onsite field service visits, perform quick battery diagnostics to decide whether a replacement is needed and minimize downtime for customers.