Lead Acid 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. 843-1317
Mfr. Part No.FG20451
BrandFiamm
$45.34
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. 597-857
Mfr. Part No.NP24-12I
BrandYuasa
$237.34
Each
units
24Ah 12V - 166 x 175 x 125mm M5 AGM - - 9kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 720-2966
Mfr. Part No.LC-R127R2PG
BrandPanasonic
$108.63
Each
units
7.2Ah 12V - 94 x 64.5 x 151mm Faston F1 AGM - - 2.5kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 720-2953
Mfr. Part No.LC-R122R2PG
BrandPanasonic
$81.20
Each
units
2.2Ah 12V - 60 x 34 x 177mm Faston F1 AGM - - 800g - - 6 to 9 Years -15 +50°C -
RS Stock No. 872-0092
Mfr. Part No.REC36-12
BrandYuasa
$266.17
Each
units
36Ah 12V - 196 x 132 x 158mm M5 AGM Yes - 11.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 597-784
Mfr. Part No.NP1.2-6RS
BrandYuasa
$42.90
Each
units
1.2Ah 6V - 97 x 25 x 54.5mm Faston F1 AGM - - 310g - - 3 to 5 Years -20 +60°C -
RS Stock No. 720-2988
Mfr. Part No.LC-XC1222P
BrandPanasonic
$222.04
Each
units
22Ah 12V - 167 x 76 x 181mm M5 AGM Yes - 6.6kg - Yes - -15 +50°C -
RS Stock No. 597-807
Mfr. Part No.NP1.2-12
BrandYuasa
$44.54
Each
units
1.2Ah 12V - 97 x 48 x 54.5mm Faston F1 AGM - - 580g - - 3 to 5 Years -20 → +60°C -
RS Stock No. 532-9794
Mfr. Part No.RE12-12L
BrandYuasa
$173.40
Each
units
12Ah 12V - 98 x 151 x 98mm Faston F2 AGM - - 4.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 614-2532
Mfr. Part No.Y38-12I
BrandYuasa
$260.72
Each
units
38Ah 12V - 171 x 198 x 166mm Tabs AGM Yes - 13.5kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 720-2963
Mfr. Part No.LC-RA1215P
BrandPanasonic
$118.78
Each
units
15Ah 12V - 94 x 98 x 151mm Faston F1 AGM - - 4.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 198-8068
Mfr. Part No.NP4-12
BrandYuasa
$59.81
Each
units
4Ah 12V - 106 x 90 x 70mm Faston F1 AGM - - 1.8kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 843-1339
Mfr. Part No.FG21803
BrandFiamm
$150.16
Each
units
18Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.8kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 720-2935
Mfr. Part No.LC-R064R5P
BrandPanasonic
$23.67
Each
units
4.5Ah 6V - 102 x 48 x 70mm Faston F1 AGM - - 700g - - 6 to 9 Years -15 → +50°C -
RS Stock No. 265-1931
Mfr. Part No.RSACP3705
BrandEnersys
$48.17
Each
units
4.5Ah 2V - 102.9 x 34.3mm Tabs Pure Lead Yes - 270g - Yes - -65 → +80°C Enersys Cyclon
RS Stock No. 843-1336
Mfr. Part No.FGC21803
BrandFiamm
$148.65
Each
units
18Ah 12V - 181 x 76 x 166mm M5 AGM - - 5.4kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 720-2957
Mfr. Part No.LC-R123R4PG
BrandPanasonic
$88.65
Each
units
3.4Ah 12V - 60 x 67 x 134mm Faston F1 AGM - - 1.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 888-2431
Mfr. Part No.LC-RA1212PG1
BrandPanasonic
$128.71
Each
units
12Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 3.9kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 843-1351
Mfr. Part No.FG20722
BrandFiamm
$61.30
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. 613-0854
Mfr. Part No.REW45-12
BrandYuasa
$121.23
Each
units
7.3Ah 12V - 94 x 151 x 65mm Faston F2 AGM - - 2.5kg - Yes 6 to 9 Years -15 +50°C -
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