Valveregulated leadacid batteries vrlab with operating closed oxygen cycle. Section 14 transport information all vision agm, cp, fm,cl series and cta series are valve regulated lead acid vrla batteries. In addition it has a universally acclaimed maintenance free lead calcium alloy for the negative grid. Valveregulated leadacid or vrla, including gel and agm. The international agency for research on cancer iarc has classified strong inorganic acid mist containing. Individual data sheet this information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty w ith respect to any cells and batteries. As the name suggests, these are sealed valve regulated batteries with absorptive glass mat agm separator to permit the oxygen evolved from the positive plate. Basic operating principle of a lead acid battery 2. A valve regulated lead acid battery vrla battery is a type of lead acid battery characterized by a limited amount of electrolyte starved electrolyte absorbed. C corrosive hazard statements contact with internal components may cause irritation or severe burns. Concorde battery corporation valve regulated sealed lead acid military aircraft batteries all qualification testing performed on valve regulated sealed lead acid military aircraft batteries was in accordance with milprf8565. This is especially true during charging and discharging. In this study, the effect of temperature on the electrochemical behaviors of gel electrolyte systems was investigated for valve regulated leadacid battery at 0.
Valve regulated lead acid battery discover battery. Cell and battery designsspecifications are subject to modification without notice. Direct contact of internal electrolyte gel with eyes may cause severe burns or blindness. These gases result from electrolysis of the water portion of the electrolyte by the charging current. Their unique features and benefits deliver an ideal solution for many applications where. Trojan sds valve regulated lead acid battery rev 2020. Agm batteries and gel batteries are both considered acidstarved. Gas will escape through the safety valves only in case of overcharging. Water has to be added to these batteries from time to time to make up. Valve regulated lead acid battery vrla use a patented mfx alloy for the positive grid, which exhibits excellent deep discharge performance. Valveregulated leadacid or vrla, including gel and agm absorbed glass mat battery designs, can be substituted in virtually any flooded leadacid battery application in conjunction with wellregulated charging. For valve regulated lead acid batteries electrochemical processes basic theory the following chemical reactions describe the exact transformation which occurs both in the positive and negative plates, due to electrochemical processes. Valve regulated leadacid batteries panasonic industry.
Safety data sheet valve regulated lead acid battery, nonspillable handling. When the battery is charged by applying a voltage of 2. If there are any questions, please contact panasonic. A voltage higher than float voltage, applied to a battery to correct the inequalities among battery cells voltage or specific gravity that may develop in service. Valve regulated lead acid gel battery, nonspillable symbols. There may be increasing risk of electric shock from strings of connected batteries. Use of the battery in airtight equipment may cause explosion of the equipment or injury. Concordes vrla batteries have passed vibration, pressure. Ieee recommended practice for maintenance, testing, and. Contact local andor state environmental officials regarding disposal information. Mcclelland and devitt invented the valveregulated leadacid cell with electrolyte immobilized in microporous absorptive glass mat agm and a pressure relief valve. In a gel battery, the electrolyte does not flow like a normal liquid.
Material safety data sheet valve regulated lead acid battery battery nonspillable 49 cfr 173. Maintenance free valve regulated lead acid battery and associated battery charger with provisions of both float and boost charging of battery along with necessary accessories, fittings etc. Methods of charging the valve regulated sealed leadacid. There are other purpose specific lead acid designs not covered in this article and information on these can be obtained from manufacturers. Modelling and evaluation of valveregulated leadacid batteries ander tenno dissertation for the degree of doctor of science in technology to be presented with due permission of the department of automation and systems technology, for public examination and debate in auditorium as1 at helsinki university of technology espoo, finland on the 3rd. Valve regulated lead acid batteries typical applications. Storage battery systems valve regulated lead acid and agm batteries are classified as nonspillable and have been. Valve regulated lead acid batteries vrla 6v and 12v panasonic s tough valve regulated lead acid rechargeable batteries are designed to provide outstanding performance in withstanding overcharge, overdischarge, and resisting vibration and shock. Request pdf valveregulated leadacid batteries for many decades, the leadacid battery has been the most widely used energystorage device for. Battery design n east penns vrla features and benefits n east penns quality assurance checks iv. Valve regulated lead acid battery discover agm series vrla industrial batteries provide superior high integrity and reliability for commercial, industrial, and private applications.
Because of their construction, vrla batteries do not require regular addition of water to the cells. Valve regulated lead acid aircraft batteries by teledyne battery products valve regulated lead acid batteries 3. Both are sealed valveregulated svr also called valveregulated leadacid vrla. Unless involved in recycling operations, do not breach the casing or empty the contents of the battery. Each battery shall have sufficient capacity considering continuous emergency and. Valve regulated lead acid batteries 20 to 200 ampere hours. Types of lead acid batteries table 1 below contains the range of lead acid batteries commonly available in the market. Agm series vrla industrial batteries provide superior high integrity and reliability for. Compact, these batteries save installation space, while providing full and reliable power. Introduction to vrla valveregulated leadacid or vrla, including gel and agm absorbed glass mat battery designs, can be substituted in virtually any flooded leadacid battery. Specific hazards arising from the chemical sulfuric acid in the electrolyte is corrosive to skin and eyes. Fullrivers vrla batteries have passed vibration, pressure differential and free flowing acid tests under 49 cfr173. Valve regulated lead acid aircraft batteries by teledyne battery products valveregulated leadacid batteries 3.
Discharge during discharge, the pbo 2 lead dioxide of the. Many battery energystorage applications are currently undergoing a progressive change away from the traditional flooded leadacid battery to a valveregulated design which offers convenience. Valve regulated lead acid batteries do produce hydrogen and oxygen during operation. Valve regulated lead acid batteries 20 to 200 ampere hours lead acid battery theory of operation discharge and charging reactions the lead acid battery is a truly unique device an assembly of the active materials of a lead dioxide pbo 2 positive plate, sulfuric acid h 2so 4 electrolyte and a sponge porous lead pb negative plate. In open batteries overcharge results in the conversion of water into hydrogen and oxygen gases, which are lost to the atmosphere. Methods of charging the valve regulatedleadacid battery. Primary constantcurrent charging is performed with a predetermined current value. Technical handbook valveregulated leadacid batteries. Material safety data sheet valve regulated lead acid battery, nonspillable us, cn, eu version for international trade potential health effects. Material safety data sheet valve regulated lead acid battery, nonspillable us, cn, eu version for international trade protective equipment bunker gear and selfcontained breathing apparatus. Ieee recommended practice for maintenance, testing, and replacement of valveregulated lead acid vrla batteries for stationary applications i e e e 3 park avenue new york, ny100165997, usa 8 february 2006 ieee power engineering society sponsored by the stationary battery committee.
Valve regulated sealed leadacid batteries can be overcharged without constant volt age control. Telecommunications mobile phone stations btsstations offgridongrid solutions trafficsyset ms signalling. All fullriver agm batteries are valve regulated lead acid vrla batteries hgl, dc, hghl, and ffd series. Vision battery 3 1 vision valve regulated lead acid battery 1. Guide to vrla batteries 1927 east penn manufacturing. Peters e a csiro, division of minerals, po box 124, port. There are other purpose specific lead acid designs not covered in this article and information on. Portable valveregulated leadacid cells can operate in any orientation without acid leakage and find use in many different applications, such as in electronic cash registers, alarm systems, emergency lighting unit equipment, telephone boxes, switching stations, minicomputers and terminals, electronically controlled petrol pumps, cordless television sets and portable instruments and tools.
Valve regulated lead acid battery users manual by storage. General purpose lead acid batteries valve regulated. Lead oxide crystal is larger than the metal, it grows over time part of design, many data sheet give clearance at bottom of jar over rated life time 20 years growth can and does force off tops of battery. Identification product identifier other means of identification recommended use recommended restrictions safety data sheet valve regulated lead acid battery nonspillable lead acid battery, sealed lead acid battery. Cell and battery designsspecifications are subject. Absorbed glass mat battery designs, can be substituted in virtually any flooded leadacid battery. Valve regulated lead acid or vrla, including gel and agm absorbed glass mat battery designs, can be substituted in virtually any flooded lead acid battery application in conjunction with well regulated charging. Ieee recommended practice for maintenance, testing, and replacement of valve regulated lead acid vrla batteries for stationary applications i e e e 3 park avenue new york, ny100165997, usa 8 february 2006 ieee power engineering society sponsored by the stationary battery committee. Valve regulated leadacid batteries typical applications.
The 7000 series lt valve regulated lead acid ltvrla batteries are designed with an optimum lead alloy with tin and copper to provide the best possible electrode characteristics necessary for performance. Environment and condition of use danger 1 do not load valveregulated leadacid batteries hereinafter described as the battery in airtight equipment. Concorde battery valve regulated lead acid battery safety data sheet section 1 chemical product and company identification product name. Valve regulated leadacid batteries panasonic industry europe. Telecommunications mobile phone stations btsstations offgridongrid solutions trafficsyset ms signalling lighting similar to the illustration security lighting. Page 2 of 3 section vi health hazard data routes of entry. Valve regulated lead acid aircraft batteries by teledyne battery products 2. A charging method and a charging apparatus which can be used particularly for charging a valveregulated lead acid battery using a pbsb alloy grid as a positive electrode grid. Float agm battery block tank formed leadtincalcium plates deliver. The power stack cells so formed require very little maintenance and have longer life duration.
The maintenancefree valve regulated lead acid vrla construction makes discover standard agm series batteries the definitive choice for broadband and cable tv catv, uninterruptible power supplies ups, telecommunications, and electronics and security applications. The electrolyte has the consistency and appearance of petroleum jelly. The primary constantcurrent charging is further continued for an extension time t a after the battery voltage reaches a changeover. General purpose lead acid batteries valveregulated. Safety data sheet valve regulated lead acid batteries. Improving the valveregulated leadacid battery request pdf. Vrla stands for valve regulated lead acid, which means that the batteries are sealed. Valveregulated lead acid batteries technical handbook 0304. Valveregulated leadacid batteries request pdf researchgate. The purpose of the requirements contained in this afman is to assure the most reliable system possible with vrla batteries. Ieee 1188 recommended practice for maintenance, testing, and replacement of valveregulated leadacid vrla batteries for stationary application ieee 1189 guide for selection of valveregulated leadacid vrla batteries for stationary application ieee 75 guide for protection of stationary battery systems. Methods of charging the valveregulatedleadacid battery. Natural or artificial ventilation is recommended in the battery room, or area, to prevent buildup. Methods of charging the valve regulated sealed leadacid battery for charging the valve regulated sealed leadacid battery, a wellmatched charger should be used because the capacity or life of the battery is influenced by ambient temperature, charge voltage and other parameters.
The 7000 series lt valveregulated leadacid ltvrla batteries are designed with an optimum lead alloy with tin and copper to provide the best possible electrode characteristics necessary for performance. Modelling and evaluation of valve regulated lead acid batteries ander tenno dissertation for the degree of doctor of science in technology to be presented with due permission of the department of automation and systems technology, for public examination and debate in auditorium as1 at helsinki university of technology espoo, finland on the 3rd. Valve regulated lead acid battery, nonspillable handling. Us6211651b1 method and apparatus for charging a valve. Instructions for continued airworthiness, concorde valve regulated leadacid main battery dwg no. Valveregulated leadacid vrla east penn manufacturing. There is a fundamental difference between open vented or sealed valveregulated leadacid batteries. Direct contact of internal electrolyte gel with the skin may cause skin irritation or damaging burns.
Vision battery 3 1 vision valve regulated lead acid. Specifications for valve regulated sealed lead acid military aircraft batteries are subject to change without notice. Combining the two formulae one can therefore obtain. Precautionary statements keep out of reach of children. A valve regulated lead acid battery vrla battery is a type of lead acid battery characterized by a limited amount of electrolyte starved electrolyte absorbed in a plate separator or formed into a gel. Valve regulated leadacid batteries do produce hydrogen and oxygen during operation. Scope this manual provides maintenance procedures for gill 7000 series lt valveregulated lead acid lt vrla aircraft batteries manufactured under faa parts manufacturer approval number pq1006nm. Firefighting measures suitable extinguishing media co 2, dry chemical or foam.
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