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 Brand Range Dimensions Application Construction Eurobat Classification Designed High Rate Application Designed for Cyclic Application Chemistry Flame Resistant Terminal Type Operating Temperature Range
RS Stock No. 597-835
Mfr. Part No.NP7-12
BrandYuasa
£19.85
Each
Units
7Ah 12V - - 151 x 65 x 97.5mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +60°C
RS Stock No. 537-5488
BrandRS PRO
£17.26
Each
Units
7Ah 12V - - 151 x 65 x 93.5mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 597-841
Mfr. Part No.NP12-12
BrandYuasa
£42.34
Each
Units
12Ah 12V - - 151 x 98 x 97.5mm - AGM 3 to 5 Years - - - - Faston F2 -20 → +60°C
RS Stock No. 707-4966
Mfr. Part No.NPW45-12
BrandYuasa
£40.52
Each
Units
8.5Ah 12V - - 151 x 65 x 94 - AGM 3 to 5 Years Yes - - - Faston F2 -15 → +50°C
RS Stock No. 537-7305
BrandRS PRO
£32.33
Each
Units
12Ah 12V - - 151 x 98 x 95mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 597-807
Mfr. Part No.NP1.2-12
BrandYuasa
£14.11
Each
Units
1.2Ah 12V - - 97 x 48 x 54.5mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +60°C
RS Stock No. 686-7253
BrandRS PRO
£12.90
Each
Units
5Ah 12V - - 90 x 70 x 101mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 537-5444
BrandRS PRO
£11.29
Each
Units
1.2Ah 12V - - 97 x 43 x 52mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 200-6505
Mfr. Part No.NP17-12I
BrandYuasa
£69.40
Each
Units
17Ah 12V - - 167 x 181 x 76mm - AGM 3 to 5 Years - - - - M5 -20 → +60°C
RS Stock No. 537-5422
BrandRS PRO
£10.59
Each
Units
4Ah 6V - - 70 x 47 x 100mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 597-813
Mfr. Part No.NP2.1-12
BrandYuasa
£12.33
Each
Units
2.1Ah 12V - - 178 x 34 x 64mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +60°C
RS Stock No. 537-5494
BrandRS PRO
£52.57
Each
Units
18Ah 12V - - 181.5 x 77 x 167.5mm UPS AGM 3 to 5 Years - Yes - - T12 -20 → +60°C
RS Stock No. 614-2469
Mfr. Part No.Y7-12
BrandYuasa
£22.11
Each
Units
7Ah 12V - - 98 x 151 x 65mm - AGM - - - - - Tabs -15 → +60°C
RS Stock No. 720-2966
Mfr. Part No.LC-R127R2PG
BrandPanasonic
£31.13
Each
Units
7.2Ah 12V - - 94 x 64.5 x 151mm - AGM 6 to 9 Years - - - - Faston F1 -15 → +50°C
RS Stock No. 537-5450
BrandRS PRO
£20.15
Each
Units
2.3Ah 12V - - 178 x 35 x 60mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -20 → +60°C
RS Stock No. 669-0482
Mfr. Part No.LC-X1224APG
BrandPanasonic
£108.52
Each
Units
24Ah 12V - - 165 x 125 x 175mm - AGM 10 to 12 Years - - - - M5 -15 → +50°C
RS Stock No. 180-9145
Mfr. Part No.NP12-6L
BrandYuasa
£23.36
Each
Units
12Ah 6V - - 97.5 x 151 x 50mm - AGM 3 to 5 Years - - - - Faston F2 -20 → +60°C
RS Stock No. 128-8043
Mfr. Part No.NP2-12
BrandYuasa
£28.20
Each
Units
2Ah 12V - - 150 x 20 x 89mm - AGM 3 to 5 Years - - - - Faston F1 -20 → +60°C
RS Stock No. 320-4508
Mfr. Part No.NPH5-12
BrandYuasa
£31.59
Each
Units
5.1Ah 12V - - 106 x 90 x 70mm - AGM 3 to 5 Years Yes - - - Faston F2 -20 → +60°C
RS Stock No. 537-5472
BrandRS PRO
£24.00
Each
Units
3.2Ah 12V - - 134 x 67 x 60.5mm UPS AGM 3 to 5 Years - Yes - - Faston F1 -15 → +50°C
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