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. 843-1326
Mfr. Part No.FG24204
BrandFiamm
SGD238.95
Each
units
42Ah 12V - 197 x 165 x 170mm M6 AGM - - 13.8kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 843-1301
Mfr. Part No.FG11201
BrandFiamm
SGD35.19
Each
units
12Ah 6V - 151 x 50 x 99mm Faston F1 AGM - - 1.8kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 843-1342
Mfr. Part No.FG10381
BrandFiamm
SGD20.72
Each
units
3.8Ah 6V - 66 x 33 x 125mm Faston F1 AGM - - 600g - - 3 to 5 Years -20 +50°C -
RS Stock No. 843-1339
Mfr. Part No.FG21803
BrandFiamm
SGD100.83
Each
units
18Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.8kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 614-1905
Mfr. Part No.Y1.2-12FR
BrandYuasa
SGD28.91
Each
units
1.2Ah 12V - 58 x 97 x 47.5mm Tabs AGM - - 600g - - 3 to 5 Years -15 +45°C -
RS Stock No. 200-6505
Mfr. Part No.NP17-12I
BrandYuasa
SGD160.70
Each
units
17Ah 12V - 167 x 181 x 76mm M5 AGM - - 6.1kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 455-8806
Mfr. Part No.SW200
BrandYuasa
SGD88.27
Each
units
6.5Ah 12V - 97.5 x 151 x 51mm Tabs AGM Yes - 2.5kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 843-1336
Mfr. Part No.FGC21803
BrandFiamm
SGD98.71
Each
units
18Ah 12V - 181 x 76 x 166mm M5 AGM - - 5.4kg - - 3 to 5 Years -20 +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 -
RS Stock No. 614-2453
Mfr. Part No.Y4-12
BrandYuasa
SGD33.54
Each
units
4Ah 12V - 106 x 90 x 70mm Tabs AGM - - 2kg - - - -15 +60°C -
RS Stock No. 843-1373
Mfr. Part No.FG10721
BrandFiamm
SGD25.84
Each
units
7.2Ah 6V - 151 x 34 x 100mm Faston F1 AGM - - 1.2kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 198-8125
Mfr. Part No.NPC24-12
BrandYuasa
SGD158.03
Each
units
24Ah 12V - 125 x 166 x 175mm M5 AGM Yes - 9kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 597-784
Mfr. Part No.NP1.2-6RS
BrandYuasa
SGD29.08
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. 720-2975
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. 533-9735
Mfr. Part No.RSAMP3749
BrandEnersys
SGD453.24
Each
units
26Ah 12V - 166.9 x 175.8 x 126mm M6 Pure Lead Yes - 10.9kg Yes Yes - -40 → +80°C Enersys Genesis
RS Stock No. 652-1402
Mfr. Part No.NGA50403D5HS0SA
SGD51.99
Each
units
3.5Ah 4V - 90.5 x 34.5 x 64.4mm Faston F1 Gel - - 500g - - - -30 → +50°C Sonnenschein Dryfit
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. 614-1961
Mfr. Part No.Y24-12IFR
BrandYuasa
SGD122.61
Each
units
24Ah 12V - 125 x 166 x 175mm Threaded Insert AGM - - 9kg - - 3 to 5 Years -15 +60°C -
RS Stock No. 652-1547
Mfr. Part No.NGA5120010HS0SA
SGD122.19
Each
units
10Ah 12V - 98.4 x 152 x 98mm Faston F1 Gel - - 4kg - - - -30 → +50°C Sonnenschein Dryfit
RS Stock No. 373-0287
Mfr. Part No.6EP1935-6ME21
BrandSiemens
SGD257.75
Each
units
7Ah 24V - 168 x 186 x 121mm Screw - - UPS 6kg - - - +5 +40°C SITOP USV