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. 843-1348
Mfr. Part No.FG20341
BrandFiamm
$51.53
Each
units
3.4Ah 12V - 134 x 67 x 67mm Faston F1 AGM - - 1.2kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 373-0287
Mfr. Part No.6EP1935-6ME21
BrandSiemens
$298.27
Each
units
7Ah 24V - 168 x 186 x 121mm Screw - - UPS 6kg - - - +5 → +40°C SITOP USV
RS Stock No. 888-2478
Mfr. Part No.UP-VWA1232P2
BrandPanasonic
$69.51
Each
units
6.4Ah 12V - 151 x 51 x 100mm Faston F2 AGM - - 2kg Yes - 6 to 9 Years -15 → +50°C -
RS Stock No. 511-3476
Mfr. Part No.PE2.7-12 / NP2.7-12
BrandYuasa
$79.27
Each
units
2.7Ah 12V - 102 x 79 x 55mm Faston F1 AGM - - 1.1kg - - 3 to 5 Years -20 → +60°C NP
RS Stock No. 614-2532
Mfr. Part No.Y38-12I
BrandYuasa
$248.30
Each
units
38Ah 12V - 171 x 198 x 166mm Tab AGM Yes - 13.5kg - - 3 to 5 Years -20 → +60°C YUCELL
RS Stock No. 727-0405
BrandRS PRO
$150.49
Each
units
20Ah 12V - 181.5 x 77 x 166.5mm T12 AGM Yes Emergency Lighting 6.9kg - - 3 to 5 Years -15 → +50°C -
RS Stock No. 707-3399
Mfr. Part No.RSAMP3736
BrandEnersys
$398.72
Each
units
13Ah 12V - 131.1 x 177.8 x 85.9mm M6 Pure Lead Yes - 5.2kg Yes Yes - -40 → +45°C Enersys Odyssey
RS Stock No. 533-9735
Mfr. Part No.RSAMP3749
BrandEnersys
$503.78
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. 198-8125
Mfr. Part No.NPC24-12
BrandYuasa
$177.14
Each
units
24Ah 12V - 125 x 166 x 175mm M5 AGM Yes - 9kg - - 3 to 5 Years -20 → +60°C NPC
RS Stock No. 843-1332
Mfr. Part No.FG10451
BrandFiamm
$29.74
Each
units
4.5Ah 6V - 70 x 47 x 106mm Faston F1 AGM - - 740g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 198-8074
Mfr. Part No.NPL24-12
BrandYuasa
$334.34
Each
units
24Ah 12V - 125 x 166 x 175mm M5 AGM - - 9kg - - 10 to 12 Years -20 → +60°C NPC
RS Stock No. 843-1342
Mfr. Part No.FG10381
BrandFiamm
$23.95
Each
units
3.8Ah 6V - 66 x 33 x 125mm Faston F1 AGM - - 600g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 533-9713
Mfr. Part No.RSAMP3724
BrandEnersys
$315.26
Each
units
13Ah 12V - 175.5 x 83.3 x 129.8mm M6 Pure Lead Yes - 4.9kg Yes Yes - -40 → +80°C Enersys Genesis
RS Stock No. 533-9741
Mfr. Part No.G12V42EP
BrandEnersys
$599.22
Each
units
42Ah 12V - 197.4 x 165.9 x 170.7mm M6 Pure Lead Yes - 14.9kg Yes Yes - -40 → +80°C Enersys Genesis
RS Stock No. 888-2421
Mfr. Part No.LC-R067R2P
BrandPanasonic
$42.41
Each
units
7.2Ah 6V - 151 x 34 x 100mm Faston F1 AGM - - 1.3kg - - 6 to 9 Years -15 → +50°C -
RS Stock No. 843-1304
Mfr. Part No.FG20121
BrandFiamm
$33.95
Each
units
1.2Ah 12V - 97 x 49 x 57mm Faston F1 AGM - - 570g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 707-3392
Mfr. Part No.RSAMP3783
BrandEnersys
$405.26
Each
units
14Ah 12V - 157 x 170.2 x 99.1mm M6 Pure Lead Yes - 5.4kg Yes Yes - -40 → +45°C Enersys Odyssey
RS Stock No. 888-2462
Mfr. Part No.LC-P1242AP
BrandPanasonic
$346.27
Each
units
42Ah 12V - 197 x 165 x 175mm M5 AGM - - 13.5kg Yes - 10 to 12 Years -15 → +50°C -
RS Stock No. 843-1367
Mfr. Part No.FG20271
BrandFiamm
$48.98
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. 843-1326
Mfr. Part No.FG24204
BrandFiamm
$273.08
Each
units
42Ah 12V - 197 x 165 x 170mm M6 AGM - - 13.8kg - - 3 to 5 Years -20 → +50°C -