Lead Acid Rechargeable 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. 720-2953
Mfr. Part No.LC-R122R2PG
BrandPanasonic
TWD1,246.00
Each
units
2.2Ah 12V - 60 x 34 x 177mm Faston F1 AGM - - 800g - - 6 to 9 Years -15 → +50°C -
New
RS Stock No. 189-1572
Mfr. Part No.12FGH36
BrandFiamm
TWD1,389.00
Each
units
9Ah 12V FGH 151 x 65 x 95mm - VRLA AGM Yes - 2.7 (Typ.)kg Yes - 3 to 5 Years Maximum of +25°C -
New
RS Stock No. 189-1580
Mfr. Part No.12FGL70/L
BrandFiamm
TWD12,432.00
Each
units
70Ah 12V FGL 350 x 166 x 176mm - VRLA AGM - - 22 (Typ.)kg Yes - 10 to 12 Years Maximum of +25°C -
New
RS Stock No. 189-1573
Mfr. Part No.12FGH50
BrandFiamm
TWD2,239.00
Each
units
12Ah 12V FGH 151 x 98 x 100mm - VRLA AGM Yes - 4.2kg Yes Yes 3 to 5 Years Maximum of +25°C -
RS Stock No. 843-1342
Mfr. Part No.FG10381
BrandFiamm
TWD506.00
Each
units
3.8Ah 6V - 66 x 33 x 125mm Faston F1 AGM - - 600g - - 3 to 5 Years -20 → +50°C -
RS Stock No. 320-4508
Mfr. Part No.NPH5-12
BrandYuasa
TWD1,210.00
Each
units
5.1Ah 12V - 106 x 90 x 70mm Faston F2 AGM - - 2kg - Yes 3 to 5 Years -20 → +60°C -
New
RS Stock No. 189-1581
Mfr. Part No.12FGL100
BrandFiamm
TWD16,218.00
Each
units
100Ah 12V FGL 329 x 172 x 217mm - VRLA AGM - - 32 (Typ.)kg Yes - 10 to 12 Years Maximum of +25°C -
New
RS Stock No. 189-1577
Mfr. Part No.12FGHL48
BrandFiamm
TWD2,435.00
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. 373-0293
Mfr. Part No.6EP1935-6MD11
BrandSiemens
TWD4,132.00
Each
units
3.2Ah 24V - 151 x 190 x 82mm Screw - - UPS 3.2kg - - - +5 → +40°C SITOP USV
New
RS Stock No. 189-1578
Mfr. Part No.12FGL27
BrandFiamm
TWD5,679.00
Each
units
27Ah 12V FGL 166 x 175 x 125mm - VRLA AGM - - 9kg Yes Yes 10 to 12 Years Maximum of +25°C -
New
RS Stock No. 189-1579
Mfr. Part No.12FGL42
BrandFiamm
TWD7,863.00
Each
units
42Ah 12V FGL 198 x 165 x 170mm - VRLA AGM - - 14 (Typ.)kg Yes - 10 to 12 Years Maximum of +25°C -
New
RS Stock No. 189-1575
Mfr. Part No.12FGHL28
BrandFiamm
TWD1,374.00
Each
units
7.2Ah 12V FGHL 151 x 65 x 95mm - VRLA AGM Yes - 2.7 (Typ.)kg Yes - 3 to 5 Years Maximum of +25°C -
New
RS Stock No. 187-5724
Mfr. Part No.Y0.8-12
BrandYucell
TWD740.00
Each
units
8Ah 12V - 96 x 62 x 25mm Plug In - - - 340g - - - - -
RS Stock No. 720-2938
Mfr. Part No.LC-R061R3P
BrandPanasonic
TWD514.00
Each
units
1.3Ah 6V - 50 x 24 x 97mm Faston F1 AGM - - 250g - - 6 to 9 Years -15 → +50°C -
New
RS Stock No. 189-1574
Mfr. Part No.12FGH65
BrandFiamm
TWD3,371.00
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 -