Arctic Cat 2013 Prowler XT Service Manual page 173

Problem: Battery "sulfation" (Acidic white powdery substance or spots on surfaces of cell plates)
Condition
1. Charging rate too low - too high
2. Battery electrolyte insufficient
3. Specific gravity too low
4. Battery discharged
5. Electrolyte contaminated
Problem: Battery discharges too rapidly
Condition
1. Electrolyte contaminated
2. Specific gravity low
3. Charging system (charging operation) not set properly
4. Cell plates overcharged - damaged
5. Battery short-circuited
6. Electrical load too high
Problem: Battery polarity reversed
Condition
1. Battery incorrectly connected
5-24
Remedy
1. Replace battery
2. Keep electrolyte to prescribed level
3. Charge battery - add distilled water
4. Charge battery
5. Replace battery
Remedy
1. Replace battery
2. Charge battery - add distilled water
3. Check AC generator - regulator/rectifier - circuit connections
4. Replace battery - correct charging system
5. Replace battery
6. Reduce load
Remedy
1. Reverse connections - replace battery