Lead Acid Rechargeable Batteries

Lead acid rechargeable batteries are the oldest type of rechargeable battery. Despite having a very low energy-to-weight ratio and a low energy-to-volume ratio, they are able to supply high surge currents, meaning that they are able to meet the power requirements of applications such as storage in back-up power supplies in mobile phone towers.

These sealed lead acid batteries have many used in the today's world. They come in a wide range of sizes, typically with voltages of 6V to 12V. Some typical uses are:

Emergency Lights
Uninterruptible power supplies (UPS)
Alarm Systems
Communication Systems
GEL Vs AGM Lead Acid Batteries

AGM (Absorbed Glass Mat)

These batteries contain only enough liquid to keep the specially designed glass mat wet. The glass mat is made to wick the battery electrolytes between the battery plates. If the AGM battery is broken no free liquid leaks out.

AGM batteries are preferred when a large amount of amps are required. The life expectancy remains excellent in most cases, if they are not discharged more than 60% between recharges and/or recharged fully every 3-6 months.

Gel Cell Batteries

These batteries contains silica type gel, which is a thick paste like material. It allows the electrons to flow between plates, but will not leak in a gel battery if the case is broken.
Gel Cell Batteries don't offer the same power capacity as do the same physical size as AGM batteries. Gel cell batteries excel in slow discharge rates and slightly higher operating temperatures and with excellent deep cycle capability. Recharging these batteries must be done correctly or it will suffer a premature failure."



What are lead acid rechargeable batteries used for?
Lead acid batteries are widely used if surge current is critical, even if other designs could provide higher energy densities. Large-format lead acid designs are widely used in settings like hospitals, and in stand-alone power systems. Their surge current properties make them attractive for use in motor vehicles to provide the high current required by starter motors.

How do lead acid rechargeable batteries work?
The oxygen in the active material (lead dioxide) reacts with the hydrogen ions to form water, and the lead reacts with sulphuric acid to form lead sulphate. The ions moving through the electrolyte then create the current flow.

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Description Price Capacity Nominal Voltage Sub Range Dimensions Terminal Type Construction Designed for Cyclic Application Application Weight Flame Resistant Designed High Rate Application Eurobat Classification Operating Temperature Range Brand Range
RS Stock No. 843-1332
Mfr. Part No.FG10451
BrandFiamm
MYR58.13
Each
units
4.5Ah 6V - 70 x 47 x 106mm Faston F1 AGM - - 740g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1317
Mfr. Part No.FG20451
BrandFiamm
MYR98.42
Each
units
4.5Ah 12V - 90 x 70 x 107mm Faston F1 AGM - - 1.5kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1310
Mfr. Part No.FG20721
BrandFiamm
MYR102.00
Each
units
7.2Ah 12V - 151 x 65 x 100mm Faston F1 AGM - - 2.4kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1376
Mfr. Part No.FG11202
BrandFiamm
MYR105.46
Each
units
12Ah 6V - 151 x 50 x 99mm Faston F2 AGM - - 1.8kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1308
Mfr. Part No.FG20201
BrandFiamm
MYR70.78
Each
units
2Ah 12V - 178 x 35 x 67mm Faston F1 AGM - - 800g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1354
Mfr. Part No.12FGHL34
BrandFiamm
MYR180.23
Each
units
8.4Ah 12V - 151 x 65 x 100mm Faston F2 AGM Yes - 2.9kg Yes Yes 6 to 9 Years -20 → +50°C -
RS Stock No. 843-1314
Mfr. Part No.FG21202
BrandFiamm
MYR154.10
Each
units
12Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 3.7kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1339
Mfr. Part No.FG21803
BrandFiamm
MYR284.99
Each
units
18Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.8kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1358
Mfr. Part No.FG10121
BrandFiamm
MYR38.38
Each
units
1.2Ah 6V - 97 x 24 x 59mm Faston F1 AGM - - 280g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1351
Mfr. Part No.FG20722
BrandFiamm
MYR131.74
Each
units
7.2Ah 12V - 151 x 65 x 100mm Faston F2 AGM Yes - 2.4kg - Yes 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1304
Mfr. Part No.FG20121
BrandFiamm
MYR59.86
Each
units
1.2Ah 12V - 97 x 49 x 57mm Faston F1 AGM - - 570g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1291
Mfr. Part No.FG10301
BrandFiamm
MYR81.34
Each
units
3Ah 6V - 134 x 34 x 67mm Faston F1 AGM - - 620g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1326
Mfr. Part No.FG24204
BrandFiamm
MYR602.02
Each
units
42Ah 12V - 197 x 165 x 170mm M6 AGM - - 13.8kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1336
Mfr. Part No.FGC21803
BrandFiamm
MYR250.38
Each
units
18Ah 12V - 181 x 76 x 166mm M5 AGM - - 5.4kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1345
Mfr. Part No.FGC22703
BrandFiamm
MYR502.19
Each
units
27Ah 12V - 166 x 175 x 125mm M5 AGM - - 8.1kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1348
Mfr. Part No.FG20341
BrandFiamm
MYR86.62
Each
units
3.4Ah 12V - 134 x 67 x 67mm Faston F1 AGM - - 1.2kg - - 3 to 5 Years -20 → +50°C -
New
RS Stock No. 189-1573
Mfr. Part No.12FGH50
BrandFiamm
MYR270.40
Each
units
12Ah 12V FGH 151 x 98 x 100mm - VRLA AGM Yes - 4.2kg Yes Yes 3 to 5 Years Maximum of +25°C -
RS Stock No. 843-1320
Mfr. Part No.FG27004
BrandFiamm
MYR935.48
Each
units
70Ah 12V - 350 x 166 x 174mm M6 AGM - - 22.6kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1370
Mfr. Part No.FGC21202
BrandFiamm
MYR201.99
Each
units
12Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 4.2kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1367
Mfr. Part No.FG20271
BrandFiamm
MYR81.88
Each
units
2.7Ah 12V - 79 x 56 x 105mm Faston F1 AGM - - 1.1kg - - 3 to 5 Years -20 → +50°C -