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General
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VRLA
is Valve-Regulated Lead-Acid Battery and is the designation for
maintenance-free lead-acid batteries.
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Other
frequently used names for VRLA cells & batteries are AGM – VRLA:
Absorptive Glass Mat VRLA and Tubular Gel – VRLA.
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VRLA
batteries use much less electrolyte (battery acid) than traditional
lead-acid batteries.
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These
batteries are often colloquially called sealed lead-acid batteries.
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The
primary distinction between the VRLA and the Flooded Cell is the
quantity of electrolyte incased in each cell.
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VRLA
batteries are least expensive and can be more reliable than flywheels
for the first few years but that reliability will be compromised without
proper site design & care.
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VRLA
batteries can be either gel cell type or absorbent mat type in
construction.
Application
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VRLA
batteries are frequently employed in UPS (uninterruptible power supply)
or other high-rate applications.
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Long
duration applications such as telecommunications are not as well-suited
to VRLA batteries.
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VRLA
batteries found in a typical remote configuration have a life expectancy
of two to eight years, regardless of design life.
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The
advanced lead acid battery proposed for use in electric and hybrid
electric vehicles is a totally maintenance free design using the valve
regulated lead acid battery (VRLA) technology.
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VRLA
batteries can be used in environments where flooded batteries typically
cannot be used such as Huts, CEVs, and distributed cabinets.
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VRLA”
batteries, are more reliable in controlled ambient applications.
Technology
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VRLA
batteries can present several technologies such as: 1.Absorbed glass mat
battery, 2.Gel battery.
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Batteries for uninterruptible power systems (UPS) are almost universally
of the lead acid type and are of one of the following three
technologies: 1. Vented (Flooded or Wet Cells), 2. Valve Regulated (VRLA),
3. Modular Battery Cartridges (MBC).
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The
most mature battery systems are based on lead-acid technology.
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Perhaps one of the most promising and near term of all UPS battery
technologies is Nickel Metal Hydride (NiMH)
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The
sealed VRLA battery technology is a closed system in which the quantity
of electrolyte is limited, but the gases resulting from energy
production are recombined to be reused instead of being released to the
atmosphere.
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GNB
Technologies incorporates improvements in battery materials,
manufacturing processes, and quality control.
Market
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VRLA
batteries entered the market in the 1980s and were seen as the perfect
solution for remote wireless sites.
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VRLA
batteries were first introduced into UPS applications in America and
Europe in the 70’s because of their low maintenance requirements and
high reliability over traditional flooded lead-acid.
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The
rapid growth in telecommunication and computer networks throughout the
world during the 80’s created a huge market for this battery type.
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Advances in VRLA batteries and rising gasoline prices over the past
decade have made e-bikes increasingly competitive with gasoline scooters
in price and performance.
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Most
of the world’s small VRLAs (<25Ah) are manufactured in Asia and exported
around the world due to low labor costs, land cost, and loose
environmental standards.
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Many
of the large leisure motorcycles in Japan, the USA and Europe use VRLA
technology; Taiwan too. But these are expensive batteries for a minor
section of the market.
Entrepreneur who want the information on
General, Design, Properties, Technology,
Company Profiles, Consultants, Patent, Products, Market, Reports
can
E-Mail to
informer@eth.net,
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