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 Brand Range Dimensions Application Construction Eurobat Classification Designed High Rate Application Designed for Cyclic Application Chemistry Flame Resistant Terminal Type Operating Temperature Range Weight
RS Stock No. 843-1317
Mfr. Part No.FG20451
BrandFiamm
$41.93
Each
units
4.5Ah 12V - 90 x 70 x 107mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 1.5kg
RS Stock No. 843-1339
Mfr. Part No.FG21803
BrandFiamm
$138.88
Each
units
18Ah 12V - 181 x 76 x 167mm - AGM 3 to 5 Years - - - - M5 -20 → +50°C 5.8kg
RS Stock No. 843-1351
Mfr. Part No.FG20722
BrandFiamm
$56.70
Each
units
7.2Ah 12V - 151 x 65 x 100mm - AGM 3 to 5 Years Yes Yes - - Faston F2 -20 → +50°C 2.4kg
RS Stock No. 843-1336
Mfr. Part No.FGC21803
BrandFiamm
$137.49
Each
units
18Ah 12V - 181 x 76 x 166mm - AGM 3 to 5 Years - - - - M5 -20 → +50°C 5.4kg
RS Stock No. 843-1376
Mfr. Part No.FG11202
BrandFiamm
$46.66
Each
units
12Ah 6V - 151 x 50 x 99mm - AGM 3 to 5 Years - - - - Faston F2 -20 → +50°C 1.8kg
RS Stock No. 843-1354
Mfr. Part No.12FGHL34
BrandFiamm
$77.55
Each
units
9Ah 12V - 151 x 65 x 100mm - AGM 6 to 9 Years Yes Yes - Yes Faston F2 -20 → +50°C 2.9kg
RS Stock No. 843-1332
Mfr. Part No.FG10451
BrandFiamm
$21.25
Each
units
4.5Ah 6V - 70 x 47 x 106mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 740g
RS Stock No. 843-1348
Mfr. Part No.FG20341
BrandFiamm
$52.57
Each
units
3.4Ah 12V - 134 x 67 x 67mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 1.2kg
RS Stock No. 843-1358
Mfr. Part No.FG10121
BrandFiamm
$22.23
Each
units
1.2Ah 6V - 97 x 24 x 59mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 280g
RS Stock No. 843-1370
Mfr. Part No.FGC21202
BrandFiamm
$66.58
Each
units
12Ah 12V - 151 x 98 x 100mm - AGM 3 to 5 Years - - - - Faston F2 -20 → +50°C 4.2kg
RS Stock No. 843-1314
Mfr. Part No.FG21202
BrandFiamm
$53.46
Each
units
12Ah 12V - 151 x 98 x 100mm - AGM 3 to 5 Years - - - - Faston F2 -20 → +50°C 3.7kg
RS Stock No. 843-1310
Mfr. Part No.FG20721
BrandFiamm
$52.66
Each
units
7.2Ah 12V - 151 x 65 x 100mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 2.4kg
RS Stock No. 843-1304
Mfr. Part No.FG20121
BrandFiamm
$20.46
Each
units
1.2Ah 12V - 97 x 49 x 57mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 570g
RS Stock No. 843-1373
Mfr. Part No.FG10721
BrandFiamm
$37.37
Each
units
7.2Ah 6V - 151 x 34 x 100mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 1.2kg
RS Stock No. 843-1367
Mfr. Part No.FG20271
BrandFiamm
$49.87
Each
units
2.7Ah 12V - 79 x 56 x 105mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 1.1kg
RS Stock No. 843-1301
Mfr. Part No.FG11201
BrandFiamm
$32.26
Each
units
12Ah 6V - 151 x 50 x 99mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 1.8kg
RS Stock No. 843-1291
Mfr. Part No.FG10301
BrandFiamm
$37.12
Each
units
3Ah 6V - 134 x 34 x 67mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 620g
RS Stock No. 843-1323
Mfr. Part No.FG22703
BrandFiamm
$135.58
Each
units
27Ah 12V - 166 x 175 x 125mm - AGM 3 to 5 Years - - - - M5 -20 → +50°C 9kg
RS Stock No. 843-1326
Mfr. Part No.FG24204
BrandFiamm
$214.53
Each
units
42Ah 12V - 197 x 165 x 170mm - AGM 3 to 5 Years - - - - M6 -20 → +50°C 13.8kg
RS Stock No. 843-1342
Mfr. Part No.FG10381
BrandFiamm
$20.24
Each
units
3.8Ah 6V - 66 x 33 x 125mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +50°C 600g