Trojan Battery User Guide

TROJAN BATTERY
14
04 Preventative Maintenance
4 .1 Inspection
î Examine the outside appearance of the battery. The tops of the batteries and terminal connections
should be clean and dry, as well as free of dirt and corrosion. Refer to Cleaning Section 4.3.
î If uids are present on the top of a deep-cycle ooded/wet battery, it may mean that the battery is
being over-watered or overcharged. Refer to Watering Section 4.2 for the proper watering procedure.
î If uid is present on the top of a deep-cycle AGM or gel battery, it may mean that the battery is being
overcharged, which can reduce battery performance and life.
î Check battery cables and connections. Replace any damaged cables and tighten any loose
connections. Refer to Torque Values Section 3.5.
4.2 Watering (ooded/wet batteries only)
Deep-cycle ooded/wet batteries need to be watered periodically. The
frequency depends on battery usage, charging and operating temperature.
Check new batteries every few weeks to determine the watering frequency for
your application. It is normal for batteries to need more watering as they age.
Water should NEVER be added to deep-cycle AGM or gel batteries.
î Use only distilled or deionized water. Tap water can contain contaminants
that will damage the battery.
î Fully charge the batteries prior to adding water. Only add water to
discharged or partially charged batteries if the plates are exposed. In this
case, add just enough water to cover the plates and then charge the
batteries. Once completed, continue with the watering procedure below.
î Check the electrolyte levels by removing the vent caps and placing them upside down so that dirt
does not accumulate on the underside of the cap. For Plus Series™ batteries, simply ip open the cap.
î If the electrolyte level is well above the plates, then it is not necessary to add more water.
î If the electrolyte level is barely covering the plates, add distilled or de-ionized water to a level of
1/8” (3 mm) below the vent well. See right.
î After adding water, secure vent caps back onto batteries.
î If tap water is used, it must be tested to ensure that impurities are within acceptable limits. Refer to
Table 3 for Water Impurity Limits.
Standard Batteries
Plus Series™ batteries