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Lead-acid Batteries for Storage Systems
The lead-acid battery (also known improperly as a lead-acid battery or lead-acid battery) was conceived in 1859 by the French physicist Gaston Planté and is the oldest type of rechargeable battery (or accumulator, by definition), widely used on cars, motorcycles and other motor vehicles mainly to allow the combustion engine to start and power all on-board electrical utilities.
Battery manufacturers not only use lead for the plates but add other elements such as antimony and calcium, these elements serve to decrease the most common negative phenomena in batteries such as self-discharge, life in charge / discharge cycles or tendency to sulfation. Its ability to deliver instant high power on ignition makes it quite powerful. This feature, together with its low cost, makes it convenient for use in motor vehicles to power the starter for a few seconds. A cell is conventionally considered discharged when at its ends there is a voltage lower than 1.75 V / cell (10.50 V / batt., At 25 ° C and at least after about 10 min of rest) and fully charged when it is of 2.15 V / cell (12.90 V / batt., at 25 ° C and after 24 hours from the charge). This type of battery, if well treated and maintained, can have a very long life, conversely a lack of maintenance significantly reduces the life of the battery.
The most common types of faults to which lead-acid batteries are subject, if they are not well maintained and used within the limits prescribed by the manufacturers, are: internal short circuits, the sulphation of the plates / cells and acid leaks, even if these he last type of damage is a particularly rare event, given the reliability of current plastic casings. The short circuit occurs when two plates of opposite polarity come into contact in an element due to the breakage of the separator by mechanical action (shocks, vibrations) or due to the accumulation of active matter on the bottom of the cell (typically PbO2 in the positive plates) escaped from the alveoli accidentally broken, also due to sulphation or prolonged corrosion of the acid in high concentration.
Furthermore, excessive and prolonged charging currents can overheat the plates and even deform them due to thermal expansion in the most serious cases. The sulphation of the plates / cells, on the other hand, is a natural chemical process that occurs whenever a lead acid accumulator is discharged to supply electricity to an external user or is left inactive for a long time, in which case the self-discharge / internal dispersions (always present) reduce the available energy initially present in the accumulator.
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1Listing:€46,844.16Price:€28,106.50You Save:€18,737.66 (40%)Rolls Battery Bank - 48V 164.45kWh (Composed of 24 batteries Rolls of 2V 3426Ah C100)
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2Listing:€39,449.52Price:€23,669.71You Save:€15,779.81 (40%)Rolls 2OS33P 5000 SERIES 48V 127.44 kWh batteries bank made of 24 Rolls 2 OS 33P 2V 2655Ah C100 lead-acid batteries. Ideal for Off Grid photovoltaic systems.
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3Listing:€36,982.70Price:€22,189.62You Save:€14,793.08 (40%)Rolls 2KS33P 5000 SERIES 48V 119.52 kWh batteries bank made of 24 Rolls 2 KS 33P 2V 2490Ah C100 lead-acid batteries. Ideal for Off Grid photovoltaic systems.
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4Listing:€31,328.88Price:€18,797.33You Save:€12,531.55 (40%)Rolls OpzV GEL - 48V 61,20 kWh Battery Bank (has 24 x 2V 1275Ah C100 Rolls Batteries).
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5Listing:€29,736.43Price:€17,841.86You Save:€11,894.57 (40%)Rolls 4KS27P Battery Bank 48V 98,97kWh (Composed of 12 batteries Rolls of 4V 2062Ah C100).
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6Listing:€27,756.70Price:€16,654.02You Save:€11,102.68 (40%)Rolls Battery Bank 48V 91.39kWh (Composed of 12 Rolls batteries of 4V 1904Ah C100)
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7Listing:€25,800.72Price:€15,480.43You Save:€10,320.29 (40%)Rolls OpzV GEL - 48V 46,56 kWh Battery Bank (has 24 x 2V 970Ah C100 Rolls Batteries).
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8Listing:€23,594.74Price:€14,156.85You Save:€9,437.89 (40%)Rolls S1860 4000 Series Flooded Deep Cycle Battery Bank (has 24 by 2V 1683Ah C100 Rolls Batteries)
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9Listing:€23,586.29Price:€14,151.78You Save:€9,434.51 (40%)Rolls Battery Bank 48V 74.74kWh (Composed of 12 batteries Rolls of 4V 1557Ah C100)
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10Listing:€23,422.08Price:€14,053.25You Save:€9,368.83 (40%)ROLLS batteries series 5000 - 24 volt 3426 Ah C100. Approximate lifespan 15 years. Ideal for PV Off Grid systems.
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11Listing:€20,751.28Price:€12,450.77You Save:€8,300.51 (40%)Rolls 6CS27P Battery Bank 48V 60,14kWh (Composed of 8 Rolls batteries of 6V 1259Ah C100).
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12Listing:€20,696.02Price:€12,417.61You Save:€8,278.41 (40%)Rolls S1660 4000 Series Flooded Deep Cycle Battery Bank (has 24 by 2V 1660Ah C100 Rolls Batteries)
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13Listing:€19,724.76Price:€11,834.86You Save:€7,889.90 (40%)Rolls 2OS33P 5000 SERIES 24V 63.72 kWh batteries bank made of 12 Rolls 2 OS 33P 2V 2655Ah C100 lead-acid batteries. Ideal for Off Grid photovoltaic systems.
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14Listing:€18,855.41Price:€11,313.25You Save:€7,542.16 (40%)Rolls OpzV GEL - 48V 36,86 kWh Battery Bank (has 24 x 2V 768Ah C100 Rolls Batteries).
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15Listing:€18,491.35Price:€11,094.81You Save:€7,396.54 (40%)5000 SERIES 24V 59.76 kWh batteries bank made of 12 Rolls 2 KS 33P 2V 2490Ah C100 lead-acid batteries. Ideal for Off Grid photovoltaic systems.
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16Listing:€17,356.42Price:€10,413.85You Save:€6,942.57 (40%)Rolls S1450 4000 Series Flooded Deep Cycle Battery Bank (has 24 by 2V 1452Ah C100 Rolls Batteries)
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17Listing:€16,379.26Price:€9,827.55You Save:€6,551.71 (40%)Rolls Battery Bank 48V 46.22kWh (Composed of 8 Rolls batteries of 6V 963Ah C100).
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18Listing:€15,664.44Price:€9,398.66You Save:€6,265.78 (40%)Rolls OpzV GEL - 24V 30,60 kWh Battery Bank (has 12 x 2V 1275Ah C100 Rolls Batteries)
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19Listing:€14,868.22Price:€8,920.93You Save:€5,947.29 (40%)ROLLS 4KS27P batteries series 5000 - 24 volt 2062 Ah C100. Approximate lifespan 15 years. Ideal for PV Off Grid.
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20Listing:€14,424.96Price:€8,654.98You Save:€5,769.98 (40%)Rolls OpzV GEL - 48V 25,92 kWh Battery Bank (has 24 x 2V 540Ah C100 Rolls Batteries).
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21Listing:€13,878.35Price:€8,327.01You Save:€5,551.34 (40%)ROLLS batteries series 5000 - 24 volt 1904 Ah C100. Approximate lifespan 15 years. Ideal for photovoltaic Off Grid systems.
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22Listing:€13,815.65Price:€8,289.39You Save:€5,526.26 (40%)Rolls 4CS17P Battery Bank - 48V 36,96kWh (Composed of 12 batteries Rolls of 4V 770Ah C100)
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23Listing:€13,425.10Price:€8,055.06You Save:€5,370.04 (40%)Rolls Battery Bank 48V 36.96kWh (Composed of 8 Rolls batteries of 6V 770Ah C100)
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24Listing:€12,900.36Price:€7,740.22You Save:€5,160.14 (40%)Rolls OpzV GEL - 24V 23,28 kWh Battery Bank (has 12 x 2V 970Ah C100 Rolls Batteries).
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25Listing:€11,797.37Price:€7,078.42You Save:€4,718.95 (40%)Rolls S1860 4000 Series Flooded Deep Cycle Battery Bank (has 12 by 6V 1869Ah C100 Rolls Batteries)
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26Listing:€11,793.14Price:€7,075.88You Save:€4,717.26 (40%)ROLLS batteries series 5000 - 24 volt 1557 Ah C100. Approximate lifespan 15 years. Ideal for Photovoltaic Off Grid systems.
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27Listing:€10,375.64Price:€6,744.17You Save:€3,631.47 (35%)ROLLS batteries series 5000 - 24 volt 1259 Ah C100. Approximate life 15 years. Ideal for PV Off Grid.
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28Listing:€10,348.01Price:€6,726.20You Save:€3,621.81 (35%)Rolls S1660 4000 Series Flooded Deep Cycle Battery Bank (has 12 by 2V 1660Ah C100 Rolls Batteries)
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29Listing:€9,505.85Price:€6,178.80You Save:€3,327.05 (35%)ROLLS batteries series 5000 - 24 volt 1156 Ah C100. Approximate lifespan 15 years. Ideal for PV Off Grid.
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30Listing:€9,427.70Price:€6,128.01You Save:€3,299.69 (35%)Rolls OpzV GEL - 24V 18,43 kWh Battery Bank (has 12 x 2V 768Ah C100 Rolls Batteries).
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31Listing:€8,774.74Price:€5,703.59You Save:€3,071.15 (35%)5000 SERIES 48V 24.14 kWh batteries bank made of 4 Rolls 12 CS 11 P 12V 503Ah C100 lead-acid batterie. Ideal for Off Grid photovoltaic systems.
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32Listing:€8,678.21Price:€5,640.83You Save:€3,037.38 (35%)Rolls S1450 4000 Series Flooded Deep Cycle Battery Bank (has 12 by 2V 1452Ah C100 Rolls Batteries)
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33Listing:€8,189.63Price:€5,323.26You Save:€2,866.37 (35%)ROLLS batteries series 5000 - 24 volt 963 Ah C100. Approximate life 15 years. Ideal for PV Off Grid.
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34Listing:€7,213.71Price:€4,688.92You Save:€2,524.79 (35%)Rolls Battery Bank - 48V 24.19 kWh (Composed of 8 batteries Rolls of 6V 504Ah C100).
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35Listing:€7,212.48Price:€4,688.11You Save:€2,524.37 (35%)Rolls OpzV GEL - 24V 12,96 kWh Battery Bank (has 12 x 2V 540Ah C100 Rolls Batteries)
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36Listing:€6,907.82Price:€4,490.09You Save:€2,417.73 (35%)ROLLS 4CS17P batteries series 5000 - 24 volt 770 Ah C100. Approximate lifespan 15 years. Ideal for photovoltaic Off Grid systems