Here is our guide to the main features of sealed lead acid batteries making them the go to choice for various applications.
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The valve regulated, spill-proof construction of sealed lead acid batteries allows trouble-free, safe operation in any position. There is no need to add electrolyte, as gases generated during charging are recombined in a unique 'oxygen cycle'.
No special handling precautions or shipping containers, either surface or air, are required for sealed lead acid batteries due to the leak-proof battery construction.
The high watt-hour per dollar value is made possible by the materials used in a sealed lead acid battery: they are readily available and lower in cost than alternative battery chemistries such as lithium batteries.
Power Sonic's PG 2V series have a design life of 12+ yearsSealed lead acid batteries can have a design life of anywhere from 3 ' 5 years all the way up to 12+ years depending on the manufacturing process of the battery. There are many factors that affect the service life of the battery including temperature, for more information please view our technical manual.
Sealed Lead Acid batteries may be used in series and/or parallel to obtain choice of voltage and capacity. Due to recent design breakthroughs, the same battery may be used in either cyclic or standby applications. Our portfolio of battery products is one of the largest available in the industry.
The high-impact resistant battery case is made either of non-conductive ABS plastic. Large capacity batteries frequently have polypropylene cases; all of these materials impart great resistance to shock, vibration, chemicals and heat. Flame Retardant (FR) battery cases and lids are available across our portfolio of battery models.
Power Sonic's PSH series are flame retardant to UL94-V0Power Sonic use state of the art design, high grade materials, and a carefully controlled plate-making process to provide excellent output per cell. The high energy density provides superior power/volume and power/weight ratios.
Low internal resistance allows discharge currents of up to ten times the rated capacity of the battery. Relatively small batteries may thus be specified in applications requiring high peak currents.
A low self-discharge rate may allow storage of fully charged batteries for up to a year depending on storage temperatures. Please view our technical manual for more information on the affects of temperature on shelf life.
Contact us to discuss your requirements of What’s a Sealed Lead-Acid Battery. Our experienced sales team can help you identify the options that best suit your needs.
Power Sonic lead acid batteries may be discharged over a temperature range of -4°F (-20°C) to 140°F (60°C), and charged at temperatures ranging from ' 5°F (-15°C) to 122°F (50°C).
Special separators, advanced plate composition and a carefully balanced electrolyte system greatly improve the ability of recovering from excessively deep discharge, this is evident in Power Sonic's Pure Lead, deep cycle gel and tubular gel batteries.
The sealed lead acid battery is the most commonly used type of storage battery and is well-known for its various applications including UPS, automotive, medical devices and telecommunications. The battery is made up of cells, each cell consists of plates immersed in an electrolyte of dilute sulfuric acid. The construction of the lead acid battery is illustrated below.
Sealed Lead Acid Battery ConstructionDepending on the model, batteries come either with AMP Faston type terminals made of tin plated brass, post type terminals of the same composition with threaded nut and bolt hardware, or heavy duty flag terminals made of lead alloy. A special epoxy is used as sealing material surrounding the terminals.
Power Sonic utilizes the latest technology and equipment to cast grids from a lead-calcium alloy free of antimony. The small amount of calcium and tin in the grid alloy imparts strength to the plate and guarantees durability even in extensive cycle service. Lead dioxide paste is added to the grid to form the electrically active material. In the charged state, the negative plate paste is pure lead and that of the positive lead dioxide. Both of these are in a porous or spongy form to optimize surface area and thereby maximize capacity. The heavy duty lead calcium alloy grids provide an extra margin of performance and life in both cyclic and float applications and give unparalleled recovery from deep discharge.
Immobilized dilute sulphuric acid: H2S04.
In case of excessive gas pressure build-up inside the battery, the relief valve will open and relieve the pressure. The one-way valve not only ensures that no air gets into the battery where the oxygen would react with the plates causing internal discharge, but also represents an important safety device in the event of excessive overcharge. Vent release pressure is between 2-6 psi; the seal ring material is neoprene rubber.
Power Sonic lead acid battery separators are made of non-woven glass fiber cloth with high heat and oxidation resistance. The material further offers superior electrolyte absorption and retaining ability, as well as excellent ion conductivity.
Case and lid material is ABS, high impact, resin with high resistance to chemicals and flammability. Case and cover are made of non-conductive ABS plastic to UL94-HB like our PS- or UL94 V-0 like our PS- FR. Depending on the model the case sealing is ultrasonic, epoxy or heat seal.
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