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. 128-7393
Mfr. Part No.NP65-12I
BrandYuasa
$514.27
Each
units
65Ah 12V - 350 x 166 x 174mm M6 AGM - - 23kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 198-8068
Mfr. Part No.NP4-12
BrandYuasa
$54.37
Each
units
4Ah 12V - 106 x 90 x 70mm Faston F1 AGM - - 1.8kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 320-4508
Mfr. Part No.NPH5-12
BrandYuasa
$83.07
Each
units
5.1Ah 12V - 106 x 90 x 70mm Faston F2 AGM - - 2kg - Yes 3 to 5 Years -20 +60°C -
RS Stock No. 660-3627
Mfr. Part No.REC10-12
BrandYuasa
$100.86
Each
units
10Ah 12V - 115.5 x 151 x 65mm Faston F2 AGM Yes - 3.4kg Yes - - -20 +60°C -
RS Stock No. 888-2471
Mfr. Part No.UP-VW1245P1
BrandPanasonic
$68.81
Each
units
7.8Ah 12V - 151 x 64.5 x 101.5mm Faston F1 AGM - - 2.6kg Yes - 6 to 9 Years -15 +50°C -
RS Stock No. 707-3468
Mfr. Part No.RSAMP3718
BrandEnersys
$835.23
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. 597-863
Mfr. Part No.NP38-12I
BrandYuasa
$328.18
Each
units
38Ah 12V - 197 x 165 x 170mm M5 AGM - - 14.2kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 720-2981
Mfr. Part No.LC-XC1228P
BrandPanasonic
$245.22
Each
units
28Ah 12V - 175 x 125 x 165mm M5 AGM Yes - 10.5kg - Yes - -15 +50°C -
RS Stock No. 591-461
Mfr. Part No.RSACP3702
BrandEnersys
$28.67
Each
units
2.5Ah 2V - 68.1 x 34.3mm Tabs Pure Lead Yes - 180g - Yes - -65 +80°C Enersys Cyclon
RS Stock No. 597-807
Mfr. Part No.NP1.2-12
BrandYuasa
$40.49
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. 537-5450
BrandRS PRO
$31.19
Each
units
2.3Ah 12V - 178 x 35 x 60mm Faston F1 AGM Yes UPS 970g - - 3 to 5 Years -20 +60°C -
RS Stock No. 815-329
Mfr. Part No.NP4-6RS
BrandYuasa
$33.98
Each
units
4Ah 6V - 105.5 x 70 x 47mm Faston F1 AGM - - 870g - - 3 to 5 Years -20 +60°C -
RS Stock No. 727-0391
BrandRS PRO
$136.67
Each
units
20Ah 12V - 181.5 x 77 x 167.5mm T12 AGM Yes UPS 5.8kg - - 3 to 5 Years -15 +50°C -
RS Stock No. 537-5494
BrandRS PRO
$124.10
Each
units
18Ah 12V - 181.5 x 77 x 167.5mm T12 AGM Yes UPS 5.4kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 843-1317
Mfr. Part No.FG20451
BrandFiamm
$41.22
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. 727-0382
BrandRS PRO
$35.96
Each
units
7Ah 6V - 150 x 34 x 94mm Faston F2 AGM Yes UPS 1.1kg - - 3 to 5 Years -15 +50°C -
RS Stock No. 698-8082
BrandRS PRO
$36.38
Each
units
2.9Ah 12V - 178 x 66 x 32mm Faston F1 AGM Yes UPS 1.1kg - - 3 to 5 Years -20 +60°C -
RS Stock No. 727-0385
BrandRS PRO
$23.46
Each
units
3.2Ah 6V - 134 x 34 x 60mm Faston F1 AGM Yes UPS 670g - - 3 to 5 Years -15 +50°C -
RS Stock No. 888-2456
Mfr. Part No.LC-P1220P
BrandPanasonic
$177.57
Each
units
20Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.8kg Yes - 10 to 12 Years -15 +50°C -
RS Stock No. 837-0978
BrandRS PRO
$176.82
Each
units
26Ah 12V - 166 x 175 x 125mm T12 AGM Yes Emergency Lighting 9.4kg - - 3 to 5 Years -15 +50°C -
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