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. 265-1953
Mfr. Part No.RSAMP3707
BrandEnersys
MYR194.80
Each
units
2.5Ah 6V - 69.9 x 113.8 x 46mm Tab Pure Lead Yes - 540g - Yes - -40 → +40°C EnerSys Monobloc
RS Stock No. 198-4036
BrandRS PRO
MYR98.32
Each
units
6.5Ah 12V RS Pro 151 x 65 x 93.5mm T1 AGM - - - - - - - RS
RS Stock No. 537-5472
BrandRS PRO
MYR175.31
Each
units
3.2Ah 12V - 134 x 67 x 60.5mm Faston F1 AGM Yes UPS 1.4kg - - 3 to 5 Years -15 → +50°C -
RS Stock No. 150-1558
BrandRS PRO
MYR77.56
Each
units
1.2Ah 12V - 97 x 43 x 52mm T1 AGM Yes UPS 570g Yes - 3 to 5 Years -15 → +50°C -
RS Stock No. 373-0287
Mfr. Part No.6EP1935-6ME21
BrandSiemens
MYR912.41
Each
units
7Ah 24V - 168 x 186 x 121mm Screw - - UPS 6kg - - - +5 → +40°C SITOP USV
RS Stock No. 189-1577
Mfr. Part No.12FGHL48
BrandFiamm
MYR328.71
Each
units
12Ah 12V FGHL 151 x 98 x 100mm - VRLA AGM Yes - 4.2kg Yes Yes 10 to 12 Years Maximum of +25°C -
RS Stock No. 198-8153
Mfr. Part No.NPL38-12
BrandYuasa
MYR1,072.94
Each
units
38Ah 12V - 170 x 197 x 165mm M5 AGM - - 14kg - - 10 to 12 Years -20 → +60°C NPL
RS Stock No. 511-3476
Mfr. Part No.PE2.7-12 / NP2.7-12
BrandYuasa
MYR250.30
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. 187-5724
Mfr. Part No.Y0.8-12
BrandYucell
MYR86.62
Each
units
800mAh 12V - 96 x 62 x 25mm Plug In - - - 340g - - - - -
RS Stock No. 843-1291
Mfr. Part No.FG10301
BrandFiamm
MYR112.35
Each
units
3Ah 6V - 134 x 34 x 67mm Faston F1 AGM - - 620g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 150-1559
BrandRS PRO
MYR354.09
Each
units
24Ah 12V - 166 x 175 x 125mm T3 AGM Yes UPS 7.2kg Yes - 3 to 5 Years -15 → +50°C -
RS Stock No. 614-1905
Mfr. Part No.Y1.2-12FR
BrandYuasa
MYR106.59
Each
units
1.2Ah 12V - 58 x 97 x 47.5mm Tab AGM - - 600g - - 3 to 5 Years -15 → +45°C YUCELL
RS Stock No. 707-3392
Mfr. Part No.RSAMP3783
BrandEnersys
MYR1,153.33
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. 652-1446
Mfr. Part No.NGS0120041HS0CA
MYR1,135.61
Each
units
41Ah 12V - 175 x 210 x 175mm Posts Gel - - 14.8kg - - - -20 → +50°C Sonnenschein Dryfit
RS Stock No. 843-1342
Mfr. Part No.FG10381
BrandFiamm
MYR76.37
Each
units
3.8Ah 6V - 66 x 33 x 125mm Faston F1 AGM - - 600g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 843-1376
Mfr. Part No.FG11202
BrandFiamm
MYR129.74
Each
units
12Ah 6V - 151 x 50 x 99mm Faston F2 AGM - - 1.8kg - - 3 to 5 Years -20 → +50°C -
RS Stock No. 814-821
Mfr. Part No.NP2.8-6RS
BrandYuasa
MYR121.54
Each
units
2.8Ah 6V - 64 x 134 x 34mm Faston F1 AGM - - 570g - - 3 to 5 Years -20 → +60°C NP
RS Stock No. 532-9801
Mfr. Part No.NP17-12FR
BrandYuasa
MYR522.13
Each
units
17Ah 12V - 167 x 181 x 76mm M5 AGM - - 6.1kg Yes - 3 to 5 Years -20 → +60°C NP
RS Stock No. 614-1933
Mfr. Part No.Y7-12FR
BrandYuasa
MYR168.03
Each
units
7Ah 12V - 98 x 151 x 65mm Tab AGM - - 2.7kg - - 3 to 5 Years -15 → +60°C YUCELL
RS Stock No. 189-1574
Mfr. Part No.12FGH65
BrandFiamm
MYR477.44
Each
units
18Ah 12V FGH 181 x 76 x 167mm - VRLA AGM Yes - 6.2kg Yes Yes 3 to 5 Years Maximum of +25°C -