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. 843-1323
Mfr. Part No.FG22703
BrandFiamm
SGD158.94
Each
units
27Ah 12V - 166 x 175 x 125mm M5 AGM - - 9kg - - 3 to 5 Years -20 +50°C -
RS Stock No. 455-8806
Mfr. Part No.SW200
BrandYuasa
SGD90.84
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. 652-1553
Mfr. Part No.NGA51206D5HS0SA
SGD87.89
Each
units
6.5Ah 12V - 98.4 x 151.7 x 65.5mm Faston F1 Gel - - 2.6kg - - - -30 → +50°C Sonnenschein Dryfit
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. 707-3468
Mfr. Part No.RSAMP3718
BrandEnersys
SGD756.64
Each
units
51Ah 12V - 220 x 121 x 260mm M6 Pure Lead Yes - 18.6kg Yes Yes 12 Years Plus -40 +50°C Enersys PowerSafe
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. 198-8068
Mfr. Part No.NP4-12
BrandYuasa
SGD47.21
Each
units
4Ah 12V - 106 x 90 x 70mm Faston F1 AGM - - 1.8kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 652-1446
Mfr. Part No.NGS0120041HS0CA
SGD300.64
Each
units
41Ah 12V - 175 x 210 x 175mm Posts Gel - - 14.8kg - - - -20 +50°C Sonnenschein Dryfit
RS Stock No. 720-2935
Mfr. Part No.LC-R064R5P
BrandPanasonic
SGD24.65
Each
units
4.5Ah 6V - 102 x 48 x 70mm Faston F1 AGM - - 700g - - 6 to 9 Years -15 → +50°C -
RS Stock No. 265-1953
Mfr. Part No.RSAMP3707
BrandEnersys
SGD67.08
Each
units
2.5Ah 6V - 69.9 x 113.8 x 46mm Tabs Pure Lead Yes - 540g - Yes - -40 +40°C EnerSys Monobloc
RS Stock No. 511-3511
Mfr. Part No.SWL1850-12FR
BrandYuasa
SGD446.18
Each
units
66Ah 12V - 174 x 350 x 166mm M6 AGM - - 23kg Yes Yes 10 to 12 Years -20 +60°C -
RS Stock No. 707-3424
Mfr. Part No.RSAMP3741
BrandEnersys
SGD884.06
Each
units
68Ah 12V - 198.6 x 275.6 x 177.5mm SAE Pure Lead Yes - 22.4kg Yes Yes - -40 +45°C Enersys Odyssey
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. 597-807
Mfr. Part No.NP1.2-12
BrandYuasa
SGD31.93
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. 843-1291
Mfr. Part No.FG10301
BrandFiamm
SGD31.36
Each
units
3Ah 6V - 134 x 34 x 67mm Faston F1 AGM - - 620g - - 3 to 5 Years -20 +50°C -
RS Stock No. 707-3389
Mfr. Part No.RSAMP3782
BrandEnersys
SGD374.98
Each
units
8Ah 12V - 138 x 86 x 101mm M4 Pure Lead Yes - 2.7kg Yes Yes - -40 +50°C Enersys Odyssey
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. 614-2481
Mfr. Part No.Y17-12I
BrandYuasa
SGD93.45
Each
units
17Ah 12V - 167 x 181 x 75mm Threaded Insert AGM Yes - 6.1kg - - 3 to 5 Years -15 +60°C -
New
RS Stock No. 189-1580
Mfr. Part No.12FGL70/L
BrandFiamm
SGD530.11
Each
units
70Ah 12V FGL 350 x 166 x 176mm - VRLA AGM - - 22 (Typ.)kg Yes - 10 to 12 Years Maximum of +25°C -
RS Stock No. 511-3505
Mfr. Part No.SWL1100-12FR
BrandYuasa
SGD359.38
Each
units
41Ah 12V - 170 x 197 x 165mm M5 AGM - - 14kg Yes Yes 10 to 12 Years -20 +60°C -
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