How to determine the battery charge

Often come across batteries, which is impossible to access the banks. Top cover they are sealed, and distilled water in a battery impossible. The only way to check the level of charge in such energy storage devices is a visual inspection of the color indicator located at the top.

If the indicator is green, the battery is normal. The absence of a specified color warns about the need to re-charge the battery. The white color indicates that the level of the filled electrolyte is low and the battery needed topped up with distilled water.

Maintenance-free storage battery after occurrence of the white led is utilized. Serviced the battery open lid cans, and are easily restored.

In a lead acid battery topped exclusively with distilled water. The electrolyte is dilute sulfuric acid is strictly prohibited. Otherwise not to avoid destruction of the active mass to the lead plates.