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. 669-0482
Mfr. Part No.LC-P1224APG
BrandPanasonic
$247.83
Each
units
24Ah 12V - 165 x 125 x 175mm M5 AGM - - 8.1kg - - 10 to 12 Years -15 → +50°C -
RS Stock No. 198-8153
Mfr. Part No.NPL38-12
BrandYuasa
$472.69
Each
units
38Ah 12V - 170 x 197 x 165mm M5 AGM - - 14kg - - 10 to 12 Years -20 → +60°C NPL
RS Stock No. 532-9772
Mfr. Part No.NP1.2-12FR
BrandYuasa
$43.04
Each
units
1.2Ah 12V - 54.5 x 97 x 48mm Faston F2 AGM - - 580g Yes - 3 to 5 Years -20 → +60°C NP
RS Stock No. 511-3460
Mfr. Part No.RE7-12L
BrandYuasa
$103.84
Each
units
7Ah 12V - 94 x 151 x 65mm Faston F2 AGM - - 2.8kg - - 6 to 9 Years -15 → +50°C RE
RS Stock No. 707-3402
Mfr. Part No.RSAMP3737
BrandEnersys
$437.95
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. 872-0099
Mfr. Part No.REC26-12
BrandYuasa
$218.57
Each
units
26Ah 12V - 166 x 175 x 125mm M5 AGM Yes - 9kg Yes - 6 to 9 Years -15 → +50°C REC
RS Stock No. 122-4862
BrandRS PRO
$315.11
Each
units
42Ah 12V - 197 x 165 x 170mm T6 AGM - Mobility and Traction 14.5kg - - - -20 → +50°C -
RS Stock No. 455-8806
Mfr. Part No.SW200
BrandYuasa
$125.68
Each
units
6.5Ah 12V - 97.5 x 151 x 51mm Tab AGM Yes - 2.5kg - - 3 to 5 Years -20 → +60°C SW
RS Stock No. 597-813
Mfr. Part No.NP2.1-12
BrandYuasa
$46.62
Each
units
2.1Ah 12V - 178 x 34 x 64mm Faston F1 AGM - - 820g - - 3 to 5 Years -20 → +60°C NP
RS Stock No. 720-2975
Mfr. Part No.LC-CA1212P
BrandPanasonic
$152.01
Each
units
12Ah 12V - 94 x 98 x 151mm Faston F1 AGM Yes - 3.8kg - Yes - -15 → +50°C -
RS Stock No. 707-3415
Mfr. Part No.RSAMP3738
BrandEnersys
$355.60
Each
units
16Ah 12V - 169.4 x 181.5 x 76.3mm M6 Pure Lead Yes - 7kg Yes Yes - -40 → +45°C Enersys Odyssey
RS Stock No. 537-5438
BrandRS PRO
$39.85
Each
units
10Ah 6V - 151 x 51 x 94mm Faston F1 AGM Yes UPS 1.6kg - - 3 to 5 Years -20 → +60°C -
RS Stock No. 698-8091
BrandRS PRO
$48.01
Each
units
4Ah 12V - 90 x 70 x 101mm Faston F1 AGM Yes UPS 1.5kg - - 3 to 5 Years -20 → +60°C -
RS Stock No. 843-1323
Mfr. Part No.FG22703
BrandFiamm
$183.80
Each
units
27Ah 12V - 166 x 175 x 125mm M5 AGM - - 9kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 200-1415
Mfr. Part No.EN160-6
BrandYuasa
$558.61
Each
units
160Ah 6V - 240 x 305 x 210mm M8 AGM - - 35kg - - 12 Years Plus -20 → +60°C EN
RS Stock No. 707-3446
Mfr. Part No.RSAMP3716
BrandEnersys
$564.02
Each
units
7Ah 12V - 101 x 138 x 86mm M4 Pure Lead Yes - 3kg Yes Yes 12 Years Plus -40 → +50°C Enersys PowerSafe
RS Stock No. 872-0092
Mfr. Part No.REC36-12
BrandYuasa
$261.08
Each
units
36Ah 12V - 196 x 132 x 158mm M5 AGM Yes - 11.2kg - - 6 to 9 Years -15 → +50°C REC
RS Stock No. 597-790
Mfr. Part No.NP10-6RS
BrandYuasa
$70.72
Each
units
10Ah 6V - 97.5 x 151 x 50mm Faston F1 AGM - - 1.9kg - - 3 to 5 Years -20 → +60°C NP
RS Stock No. 720-2988
Mfr. Part No.LC-XC1222P
BrandPanasonic
$292.13
Each
units
22Ah 12V - 167 x 76 x 181mm M5 AGM Yes - 6.6kg - Yes - -15 → +50°C -
RS Stock No. 265-1931
Mfr. Part No.RSACP3705
BrandEnersys
$50.09
Each
units
4.5Ah 2V - 102.9 x 34.3mm Tab Pure Lead Yes - 270g - Yes - -65 → +80°C Enersys Cyclon