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. 727-0391
BrandRS PRO
SGD105.13
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. 320-4508
Mfr. Part No.NPH5-12
BrandYuasa
SGD65.88
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. 888-2431
Mfr. Part No.LC-RA1212PG1
BrandPanasonic
SGD109.09
Each
units
12Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 3.9kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 872-0096
Mfr. Part No.REC50-12
BrandYuasa
SGD319.45
Each
units
50Ah 12V - 197 x 165 x 175mm M5 AGM Yes - 15.3kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 872-0080
Mfr. Part No.REC22-12I
BrandYuasa
SGD139.86
Each
units
22Ah 12V - 181 x 76.2 x 167mm M5 AGM Yes - 6.4kg - - - -15 +50°C -
RS Stock No. 888-2471
Mfr. Part No.UP-VW1245P1
BrandPanasonic
SGD66.17
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. 872-0092
Mfr. Part No.REC36-12
BrandYuasa
SGD225.60
Each
units
36Ah 12V - 196 x 132 x 158mm M5 AGM Yes - 11.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 888-2453
Mfr. Part No.LC-P1238APG
BrandPanasonic
SGD264.58
Each
units
38Ah 12V - 197 x 165 x 175mm M5 AGM - - 12.5kg - - 10 to 12 Years - -
RS Stock No. 888-2447
Mfr. Part No.LC-XD1217PG
BrandPanasonic
SGD139.84
Each
units
17Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.9kg - - 10 to 12 Years -15 +50°C -
RS Stock No. 888-2459
Mfr. Part No.LC-P1228AP
BrandPanasonic
SGD227.10
Each
units
28Ah 12V - 165 x 125 x 175mm M5 AGM - - 9.4kg Yes - 10 to 12 Years -15 +50°C -
RS Stock No. 872-0086
Mfr. Part No.REC14-12
BrandYuasa
SGD117.84
Each
units
13Ah 12V - 151 x 98 x 97.5mm Faston F2 AGM Yes - 4.2kg - - 6 to 9 Years -15 +50°C -
RS Stock No. 888-2462
Mfr. Part No.LC-P1242AP
BrandPanasonic
SGD294.16
Each
units
42Ah 12V - 197 x 165 x 175mm M5 AGM - - 13.5kg Yes - 10 to 12 Years -15 +50°C -
RS Stock No. 872-0099
Mfr. Part No.REC26-12
BrandYuasa
SGD183.50
Each
units
26Ah 12V - 166 x 175 x 125mm M5 AGM Yes - 9kg Yes - 6 to 9 Years -15 +50°C -
RS Stock No. 652-1525
Mfr. Part No.NGA5120025HS0BA
SGD238.15
Each
units
25Ah 12V - 126 x 167 x 176mm M5 Gel - - 9.7kg - - - -30 → +50°C Sonnenschein Dryfit
RS Stock No. 888-2478
Mfr. Part No.UP-VWA1232P2
BrandPanasonic
SGD54.23
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. 888-2421
Mfr. Part No.LC-R067R2P
BrandPanasonic
SGD36.61
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. 888-2456
Mfr. Part No.LC-P1220P
BrandPanasonic
SGD160.86
Each
units
20Ah 12V - 181 x 76 x 167mm M5 AGM - - 5.8kg Yes - 10 to 12 Years -15 +50°C -
RS Stock No. 652-1424
Mfr. Part No.GF12014YF
SGD236.78
Each
units
15Ah 12V - 167 x 181 x 76mm M5 Gel - - 6kg - - - -30 → +50°C Sonnenschein Dryfit
RS Stock No. 652-1430
Mfr. Part No.NGSO120090HS0CA
SGD616.22
Each
units
90Ah 12V - 236 x 330 x 171mm Posts Gel - - 31.3kg - - - -20 +50°C Sonnenschein Dryfit
RS Stock No. 888-2440
Mfr. Part No.LC-RA1215P1
BrandPanasonic
SGD127.11
Each
units
15Ah 12V - 151 x 98 x 100mm Faston F2 AGM - - 4.2kg - - 6 to 9 Years -15 +50°C -
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