2003-2005 Suzuki LT-A500F Service Manual, Page 337Get this manual
ELECTRICAL SYSTEM
SERVICING
Visually inspect the surface of the battery containerIf any signs of cracking or electrolyte leakage from the sides of the battery have occurred, replace the battery with new oneIf the battery terminals are found to be coated with rust or an acidic white powdery substance, clean the battery terminals with sandpaper
RECHARGING OPERATION
Measure the battery voltage using the multi circuit testerIf the voltage reading is less than the 12 (DC), recharge the battery with battery chargerWhen recharging the battery, remove the battery from the vehicleNOTE: While recharging, do not remove the caps on the top of the batteryRecharging time: 1.4 for to 10 hours or for hourBe careful not to permit the charging current to exceed at any timeAfter recharging, wait at least 30 minutes and then measure the battery voltage using the multi circuit testerIf the battery voltage is less than 12.5 V, recharge the battery againIf the battery voltage is still less than 12.5 after recharging, replace the battery with new oneWhen battery is left unused for long time, its voltage needs to be regularly measuredWhen the vehicle is not used for more than one month (especially during the winter season), measure the battery voltage at least once month