BATTMASTER® is a wireless battery monitoring system that measures and logs the voltage, internalresistance, temperature and current of lead acid batteries (2, 6 or 12 V nominal voltage) as individualblocks or within a battery string. It can operate as a standalone system or in conjunction with a PC/LAN.The modular architecture of the system has the benefit to be easily customizable to log other parameterson request (i.e. pressure, humidity, etc.).