Electrolyte Temperature Correction
For every 10°C below 15°C subtract 0.007 from the hydrometer reading, and for every 10°C above 15°C add 0.007 to the hydrometer reading.
NOTE: Use only distilled water for topping up electrolyte. The electrolyte must not exceed 51.66 °C during charging. If after 30 minutes charging the battery current is not equal or greater than 3A, dispose of the battery.