7.2.1.7. Care of the rechargeable battery
That the battery served longer and its power was supported maximum, it is necessary to meet the conditions which are listed below.
It is necessary to keep the battery and details surrounding it clean. The surface of the battery has to be always dry as differently between separate banks there can be superficial currents of leak because of what the battery will be discharged in itself.
Level of electrolyte has to be constantly at the ring located from the lower party of the jellied camera. For a doliv it is necessary to use the distilled water.
In cold weather do not leave the battery in not loaded state, otherwise electrolyte in it will freeze. Poorly charged batteries freeze already at a temperature about -10 °C.