Vigor Equipment 1922 Mode D'emploi page 32

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4 Glossary
What is a VRLA battery?
Valve Regulated Lead Acid Battery – This type of bat-
tery is sealed Maintenance Free with a "Bunce" Valve
or Valves in the top of them that opens when a preset
pressure is realized inside the battery and let's the
excess gas pressure out. Then the valve resets itself.
What is a SLI battery?
These initials stand for Starting, Lighting and Ignition,
which are the three basic functions which a battery
has to perform on all normal vehicles. Batteries given
this description will have been specifically designed
for service on cars and trucks within a voltage con-
trolled electrical system. Those SLI batteries which are
intended for heavy haulage vehicles fitted with large
diesel motors may often be called COMMERCIAL bat-
teries. They have to be much more powerful and more
robust than batteries intended for cars.
What is STATE OF HEALTH?
It means how much battery capacity is left (%) com-
paring with the marked original battery capacity.
What is STATE OF CHARGE?
It means how many percent of the battery is actually
charged.
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