A lead acid battery is made of a number of lead acid cells wired in series in a single container. The maintenancefree valve regulated lead acid vrla construction makes discover standard agm series batteries. Valve regulated leadacid batteries panasonic industry europe. Valve regulated lead acid batteries discharge characteristics in amperes 3 discharge in minutes 10 15 30 60 discharge in minutes 10 15 30 60 80 115. Use of the battery in airtight equipment may cause explosion of the equipment or injury. Valve regulated lead acid 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. Valve regulated lead acid battery safety data sheet section 1 chemical product and company identification product name. 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. When the battery is charged by applying a voltage of 2.
The basic requirement to charge a lead acid battery is to have a dc current source of a voltage higher than the open circuit voltage of the battery to be charged. The valve regulated spill proof construction allows troublefree safe operation in any position. Pbcasnba grid alloys for valveregulated lead acid batteries. Both are sealed valve regulated svr also called valveregulated leadacid vrla. Valve regulated sealed leadacid batteries can be overcharged without constant volt age control. Batteries are housed in polypropylene cases which are regulated as total dust or respirable dust only when they are ground up during recycling.
Fxhseries valve regulated lead acid battery fxh19012ifr. Valve regulated vrla lead acid batteries by storage battery. It uses a combination of lead plates or grids and an electrolyte consisting of a diluted sulphuric. Discover agm series vrla industrial batteries provide superior. Concorde battery valve regulated lead acid battery safety data sheet section 1 chemical product and company identification product name. Technical handbook valveregulated leadacid batteries. There is no need to add electrolyte, as gases generated during the charge phase are recombined in a unique oxygen cycle. It was discovered early in 2011 that leadacid batteries did in fact use some aspects of relativity to function, and to a lesser degree liquid metalmolten salt batteries such. Environment and condition of use danger 1 do not load valveregulated leadacid batteries hereinafter described as the battery in airtight equipment. In recent years, the traditional, flooded design of the battery has begun to be replaced by an alternative design.
Valve regulated leadacid batteries typical applications. Compact, these batteries save installation space, while providing full and reliable power. 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. Pdf in order to investigate the behaviour of valveregulated leadacid batteries in solar power applications, gel and agm batteries were.
Component maintenance manual teledyne battery products. These batteries will not leak or spill even if left. 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. Vrla batteries are considered maintenance free and require no addition of electrolyte or water. Thanks for the auther for his kindness to share such a good article. 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. Direct contact of internal electrolyte gel with eyes may cause severe burns or blindness. Powersonic sealed lead acid batteries can be operated in virtually any orientation without the loss of capacity or.
The new improved valve regulated lead acid vrla battery over come much of these earlier deficiencies. Vrla stands for valveregulated leadacid and is the designation for lowmaintenance leadacid rechargeable batteries. Charging methods are dependent on battery applications, and the applications are roughly classified into main power. Hence the term valve regulated lead acid, or vrla for short. As a result, the vrla battery will typically have a. Valve regulated sealed nonspillable lead acid battery product use. The electrolyte is held captive in an absorbed glass mat agm separator between plates that immobilize the electrolyte in the cell. 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. Lead acid batteries are ubiquitous, comprising the most popular rechargeable battery chemistry, widely used in stationary, ev, and hev applications. Charging the valve regulated lead acid vrla battery. Direct contact of internal electrolyte gel with the skin may cause skin irritation or damaging burns.
Identification ghs product identifier vrla valve regulated lead acid battery company name clarios australia pty ltd address b compark circuit, mulgrave vic 3170 australia telephonefax number tel. Valve regulated vrla lead acid batteries by storage. Hoppecke sun power vr m batteries are frequently used for street lighting, medical supply units, signal systems and leisure applications. Pdf charge strategies for valveregulated leadacid batteries in.
Charge during the recharge phase of the reaction, the cycle is reversed. With this breadth and depth to the portfolio, we can power your business in virtually all applications. Panasonic began manufacturing batteries in 1931 and is today the most diversified. Guide to vrla batteries 1927 east penn manufacturing. Material safety data sheet valve regulated lead acid battery, nonspillable us, cn, eu version for international trade potential health effects.
They are also commonly known as sealed batteries or maintenancefree batteries. 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. Leadacid batteries are ubiquitous, comprising the most popular rechargeable battery chemistry, widely used in stationary, ev, and hev applications. Valve regulated leadacid batteries design engineers panasonic. Methods of charging the valve regulated sealed leadacid. The top countries of suppliers are united states, china, and taiwan, china, from which the percentage of lead acid battery 10v supply is 1%, 97%, and 1% respectively.
Vision valve regulated lead acid battery msds special notice. Panasonic lc batteries are sealed valve regulated nonspillable lead acid batteries with pasted lead calcium plates. Oxygen recombination to produce a truly maintenancefree battery, it is neces. Figure 3 illustrates the basic concept of charging. Valve regulated lead acid batteries vrlas are particularly popular for a variety of characteristics including reduction of. Computer designed lead, calcium tin alloy grid for high power density long service life, float or cyclic applications maintenancefree low selfdischarge. Figure 6 conceptual view of internal oxygen cycle in a valveregulated lead acid cell. The osha pel for dust is 15 mgm3 as total dust or 5 mgm3 as respirable dust. Valveregulated lead acid batteries technical handbook 0304. Safety data sheet vrla valve regulated lead acid battery infosafe no lq7zl issued date. 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. Pbsnca alloys are most widely used for making grids of valve regulated lead acid vrla batteries. 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.
Storage battery systems valve regulated lead acid and agm batteries are classified as nonspillable and have been. Valveregulated lead acid or vrla, including gel and agm. The bb valveregulated sealed leadacid battery vrla battery is a new type of sealed leadacid battery system developed by bb battery. Bt valve regulated lead acid battery range, technical file.
However, the high requirements to power sources entail the neces sity of further modifications of the alloys used. Safety data sheet valve regulated lead acid batteries. Each battery is discharged at a constant current down to a predetermined end point voltage per cell at a defined temperature. Valve regulated leadacid batteries panasonic industry. From batteries with a trickle design life of 6 9 years, 10 12 years and 15 years, to batteries for cyclic and high drain applications, the series includes solutions for every. Panasonic offers a comprehensive vrla battery lineup which includes many different product groups. In the 1970s, the valveregulated leadacid battery vrla, or sealed was developed, including modern absorbed glass mat types, allowing operation in any position. It is a backup battery for portable equipment and office and factory automation. Yuasa valve regulated lead acid batteries front terminal types model nominal voltage nominal capacity 10hour rate to 1. Valveregulated leadacid vrla east penn manufacturing. Lead acid cells have two plates of lead hung in a fluidlike electrolyte solution of. Their unique features and benefits deliver an ideal solution for many applications where. Vrla battery operation the valve regulated lead acid vrla battery is unique in that it incorporates an oxygen recombination cycle which occurs at the negative plate of the cell and minimizes the generation of hydrogen.
Valve regulated lead acid battery msds special notice. Dec 10, 2014 the valve regulated lead acid vrla battery is a type of rechargeable battery. In general, the bt lead acid battery series capacities are quoted against the 20 hour discharge rate. Both the level battery lid with integrated handle and the easytoclean surface ensure safe and convenient handling during installation. The valve regulated lead acid vrla battery is a type of rechargeable battery. The bb valve regulated sealed lead acid battery vrla battery is a new type of sealed lead acid battery system developed by bb battery. 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. Pdf the role of carbon in valveregulated leadacid battery. Valveregulated leadacid batteries 1st edition elsevier. It is an electrical storage device that uses a reversible chemical reaction to store energy. Bt valve regulated lead acid battery range, technical file on.
The electrolyte has the consistency and appearance of petroleum jelly. Pbsnca alloys are most widely used for making grids of valveregulated lead acid vrla batteries. V0 charge voltage float charge voltage at 20c cyclic or boost charge at 20c charge current maximum discharge. Valve regulated sealed lead acid batteries the vrla battery is the most popular reserve power design because the electrolyte is captive, preventing it from spilling even when the case is punctured. Valve regulated lead acid battery c e b g 1800 roswell road, suite 2200, marietta, ga 30062 f epscp121100g31. Lead acid batteries are built with a number of individual cells containing layers of. Because of their construction, vrla batteries do not require regular addition of water to the cells. Valve regulated leadacid battery 6gfm200 nominal voltage.
Terminals depending on the model, batteries come either with amp. Contact supplier 3checking the battery appearance before using, and avoid strong vibration or mechanical damage. For charging the valve regulated sealed lead acid 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. Agm separator material is a highly porous, absorbent micro fiberglass mat mixed with polymer. Valveregulated leadacid batteries vrlas are particularly popular for a variety of characteristics including reduction of. Cb12750 sealed valve regulated lead acid battery 12v 75ah ups eps use description. Telecommunications mobile phone stations btsstations offgridongrid solutions trafficsyset ms signalling lighting similar to the illustration security lighting.
Valve regulated lead acid vrla batteries news about. The vrla battery is the most popular reserve power design because the electrolyte is captive, preventing it from spilling even when the case is punctured. Simple classification of lead acid batteries by type sealed lead acid sla or vrla group batteries, also known as maintenance free batteries, are sealed with a pressure release valve, which limits the escape of gas to above the release pressure. Agm batteries and gel batteries are both considered acid starved. As a result, the vrla battery will typically have a recombination rate of 95 to 99% and will emit only a very.
Panasonic lc batteries are sealed valve regulated nonspillable leadacid batteries with pasted leadcalcium plates. Valve regulated lead acid battery on sales quality valve. Hoppecke sun power vr m valve regulated lead acid batteries for cyclic applications for a variety of applications. The valve regulated, spillproof construction of the powersonic battery allows troublefree, safe operation. This valve regulated lead acid technology is low maintenance because it never needs watering. Improving the valveregulated leadacid battery request pdf. Agm batteries and gel batteries are both considered acidstarved. Valve regulated lead acid aircraft batteries by teledyne battery products valveregulated leadacid batteries 3.
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