Battery Life Tester
ELK-BLT v.3 - ELK Products, Inc
The ELK-BLT Battery Life Tester or .Mhos Meter. is a compact, easy to use service tool for testing 12 Volt rechargeable batteries. The BLT measures internal conductivity (Mhos), which is the best indicator of a battery's health and life expectancy. Mhos happens to be the inverse of Ohms (conductance as opposed to resistance)