How To Test Trojan Golf Cart Batteries. The problem goes deeper, too. Trojan battery points out that looking at a battery’s outside housing is only part of a solid test procedure.
Get your hydrometer out and start with the #1 battery take your sample from each battery cell and write it down. At a 90% battery discharge, the red and yellow leds will alternately flash to indicate a very low voltage capacity is remining. Works on 48v trojan batteries only and not works on standard lead acid batteries and trolling motor batteries.
Fill and drain the hydrometer 2 to 4 times before pulling out a sample.
Proper procedure for load testing a golf cart battery charge the batteries completely. Put your safety glasses and safety gloves on. Trojan etches or stamps a “date code” into the posts of the battery. Of course, if the golf cart doesn’t start and/or move, this could indicate a battery issue.