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. 720-2963
Mfr. Part No.LC-RA1215P
BrandPanasonic
SGD114.71
Each
units
15Ah 12V - 94 x 98 x 151mm Faston F1 AGM - - 4.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 198-8074
Mfr. Part No.NPL24-12
BrandYuasa
SGD195.68
Each
units
24Ah 12V - 125 x 166 x 175mm M5 AGM - - 9kg - - 10 to 12 Years -20 +60°C -
RS Stock No. 843-1367
Mfr. Part No.FG20271
BrandFiamm
SGD30.33
Each
units
2.7Ah 12V - 79 x 56 x 105mm Faston F1 AGM - - 1.1kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 707-3402
Mfr. Part No.RSAMP3737
BrandEnersys
SGD394.01
Each
units
18Ah 12V - 175 x 170.2 x 99.1mm M6 Pure Lead Yes - 6kg Yes Yes - -40 +45°C Enersys Odyssey
RS Stock No. 187-5724
Mfr. Part No.Y0.8-12
BrandYucell
SGD31.57
Each
units
800µAh 12V - 96 x 62 x 25mm Plug In - - - 340g - - - - -
RS Stock No. 843-1310
Mfr. Part No.FG20721
BrandFiamm
SGD39.53
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. 843-1332
Mfr. Part No.FG10451
BrandFiamm
SGD22.70
Each
units
4.5Ah 6V - 70 x 47 x 106mm Faston F1 AGM - - 740g - - 3 to 5 Years -20 +50°C -
RS Stock No. 614-1933
Mfr. Part No.Y7-12FR
BrandYuasa
SGD45.57
Each
units
7Ah 12V - 98 x 151 x 65mm Tabs AGM - - 2.7kg - - 3 to 5 Years -15 +60°C -
New
RS Stock No. 189-1577
Mfr. Part No.12FGHL48
BrandFiamm
SGD103.85
Each
units
12Ah 12V FGHL 151 x 98 x 100mm - VRLA AGM Yes - 4.2kg Yes Yes 10 to 12 Years Maximum of +25°C -
RS Stock No. 707-3437
Mfr. Part No.RSAMP3775
BrandEnersys
SGD710.66
Each
units
68Ah 12V - 176 x 330.7 x 168.2mm M6 Pure Lead Yes - 27.6kg Yes Yes - -40 +45°C Enersys Odyssey
RS Stock No. 720-2975
Mfr. Part No.LC-CA1212P
BrandPanasonic
SGD130.17
Each
units
12Ah 12V - 94 x 98 x 151mm Faston F1 AGM Yes - 3.8kg - Yes - -15 +50°C -
RS Stock No. 720-2966
Mfr. Part No.LC-R127R2PG
BrandPanasonic
SGD85.43
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. 652-1569
Mfr. Part No.NGA5120002HS0SA
SGD82.97
Each
units
2Ah 12V - 64.4 x 178.5 x 34.1mm Faston F1 Gel - - 1kg - - - -30 → +50°C Sonnenschein Dryfit
RS Stock No. 707-4966
Mfr. Part No.NPW45-12
BrandYuasa
SGD81.84
Each
units
8.5Ah 12V - 151 x 65 x 94mm Faston F2 AGM - - 2.7kg - Yes 3 to 5 Years -15 +50°C -
RS Stock No. 843-1358
Mfr. Part No.FG10121
BrandFiamm
SGD14.98
Each
units
1.2Ah 6V - 97 x 24 x 59mm Faston F1 AGM - - 280g - - 3 to 5 Years -20 +50°C -
RS Stock No. 888-2465
Mfr. Part No.LC-X1265PG
BrandPanasonic
SGD420.76
Each
units
65Ah 12V - 350 x 166 x 175mm M6 AGM - - 23.5kg - - 10 to 12 Years -15 +50°C -
RS Stock No. 410-1501
Mfr. Part No.NP10-12
BrandYuasa
SGD106.68
Each
units
10Ah 12V - 100 x 151 x 102mm M6 AGM - - 4kg - - 3 to 5 Years -20 +60°C -
New
RS Stock No. 189-1575
Mfr. Part No.12FGHL28
BrandFiamm
SGD58.58
Each
units
7.2Ah 12V FGHL 151 x 65 x 95mm - VRLA AGM Yes - 2.7 (Typ.)kg Yes - 3 to 5 Years Maximum of +25°C -
RS Stock No. 843-1370
Mfr. Part No.FGC21202
BrandFiamm
SGD74.79
Each
units
12Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 4.2kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 707-3392
Mfr. Part No.RSAMP3783
BrandEnersys
SGD364.60
Each
units
14Ah 12V - 157 x 170.2 x 99.1mm M6 Pure Lead Yes - 5.4kg Yes Yes - -40 +45°C Enersys Odyssey
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