At gymnastics of storage batteries the explosive mix of gases is allocated.
At work with wires and electric devices smoking, using fire, the sparking devices open by fire-dangerous light devices is forbidden. Avoid occurrence of sparks at the reference with wires and electric devices.
Never close directly battery plugs — there is a big danger of reception of a trauma because of strong искрения.
At a detachment of the storage battery from the onboard electric system of the car disconnect at first "minus" a wire, and then плюсовой. At the working engine it is impossible to disconnect the battery as, electronic devices of system of an electric equipment in this case will be damaged.