r lcl o If the electrolyte level is low, remove the cell plug using a suitable tool 0 Add distilled water up to the MAX level. Cell plug _ "MAX" level MIN" level alma plug SELZSSG How to Handle Battery (Cont'd) SULPHATION When a battery has been left unattended for a long period of time and has a speclflc gravity of less than 1100, it Will be completely discharged, result ing in sulphatlon on the cell plates. Compared With a battery discharged under normal conditions, the current flow in a "sulphated" bat terv is not as smooth although lts voltage is high during the initial stage of charging, as shown in the following figure. Normal nanmv l ------ Sulphated ballerv Chalglng volts-gel Chargmg voltage Charging current Charging mum Uurallon olmarge seams: 7 , A .5, 7,- 7