Trojan Battery has introduced their Hydrolink battery watering system for 6, 8 and 12-volt golf car batteries.  Hydrolink was developed in partnership with Flow-rite Controls, the leading designer and manufacturer of watering systems.  The product is available pre-installed on Trojan Batteries and features a non-mechanical water level indicator that will not give a false reading, according to the company.  The system can fill a set of batteries in less than thirty seconds.  Learn more:  earthtimes.org