Battery Chargers

A battery charger is a device designed to push electrical energy through a secondary cell or a battery to recharge it.

How does it work?

A typical rechargeable battery can be charged many times. First you have to make sure you have the right type of battery that allows for recharging. From here, you connect the battery to the charger unit. Once a current starts to flow, the electrodes that have depleted out of the batteries are recharged and the battery's energy is restored. It is important to cut off charging once maximum capacity is reached, or the batteries will have to expend the excess energy and will overheat, leading to risk of rupture, chemical leaks or sometimes even the explosion of the battery.

Different types of rechargeable batteries respond best to different types of charging, therefore being able to pick a charger suitable for one type of battery may not work well with another. In other words, we should not charge a mobile phone with a car battery charger, but neither should we charge NiMH batteries with a nicad charger.

Methods of Battery Charging:

  • Lead- and lithium-based chargers operate on constant current constant voltage (CC/CV).
  • Nickel-based batteries charge with constant current and the voltage is allowed to rise freely.
  • There are battery chargers available for standard sizes, for example, AA, AAA, C, D and 9V. There are also battery chargers available for larger lead-acid batteries.
  • Some battery chargers have slots for the smaller cells to be placed into for charging. These often fit straight into a plug socket for power. Other battery chargers come with crocodile clip connectors to connect to larger, lead-acid batteries.

Features and benefits

  • Cost effective: batteries can be reused multiple times, expanding their performance life
  • Eco-friendly for the environment as recharging batteries reduces the number going to landfill
  • Charge several chemistries including lithium-ion, NiCd, NiMH
  • Some will work in your car if they have an adapter, providing charging on the move
  • Fast charging times
  • Handy lights that change colour to indicate completion


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Description Price Battery Sizes Charged Number of Batteries Charged Chemistries Charged Number of Cells Charged Plug Type Batteries Included Model Number Car Lighter Adaptor Charging Time Battery Type Charged Dimensions Charge Current Input Voltage Maximum Output Power
RS Stock No. 436-3721
Mfr. Part No.2043000042
BrandMascot
SGD451.01
Each
units
- 1 Lead Acid - - No - - - - 210 x 148 x 58mm 10A 90 → 264V ac -
RS Stock No. 423-7515
Mfr. Part No.9840000047
BrandMascot
SGD356.24
Each
units
- 1 Lead Acid - UK No - - - - 158 x 171 x 54mm 5A 190 → 264V ac 60W
RS Stock No. 747-1838
Mfr. Part No.PB-1000-12
BrandMean Well
SGD803.36
Each
units
- 1 Lead Acid - - No - - - - 300 x 184 x 70mm 60A 90 → 264V ac -
RS Stock No. 301-4816
Mfr. Part No.9640000051
BrandMascot
SGD82.17
Each
units
- 1 Lead Acid - UK No - - - - 100 x 51 x 63mm 1.3A 190 → 264 V ac, 240 → 360 V dc 16W
RS Stock No. 405-8637
Mfr. Part No.2040000052
BrandMascot
SGD168.03
Each
units
- 1 Lead Acid - - No - - - - 130 x 80 x 44mm 2A 90 → 264V ac -
RS Stock No. 905-3595
Mfr. Part No.TM450BS
BrandTecMate
SGD277.15
Each
units
- 2 Lead Acid - UK No OptiMate 3x2 - - - 167 x 65 x 46mm 800mA 100 → 240V -
RS Stock No. 478-4083
Mfr. Part No.2240000061
BrandMascot
SGD74.03
Each
units
- 1 Lead Acid - - No - - - - 90 x 45 x 32mm 500mA 90 → 264V ac 12W
RS Stock No. 549-334
BrandRS PRO
SGD118.11
Each
units
- 1 Lead Acid - EU No - - - - 186 x 88 x 47.5mm 5A 115 V ac, 230 V ac -
RS Stock No. 538-8951
Mfr. Part No.EA-BC 524-11R/T
SGD257.90
Each
units
- 1 Lead Acid - - No - - - - 110 x 58 x 226mm 11A 90 → 264V ac -
RS Stock No. 899-2676
Mfr. Part No.CB2410A
BrandAltech
SGD618.70
Each
units
- - Lead Acid, NiCd - - - CB2410A - - - - 10A - 240W
RS Stock No. 493-4676
Mfr. Part No.5117003-UK
BrandAnsmann
SGD39.46
Each
units
AA, AAA 4 NiCd, NiMH - UK Yes Photocam III - 0.8 → 2.9 (AAA) h, 1.9 → 6.8 (AA) h - 120 x 68 x 63mm - - -
RS Stock No. 747-1749
Mfr. Part No.PB-230-24
BrandMean Well
SGD167.24
Each
units
- - Lead Acid - 89M103-4P - - - - - 190 x 96 x 49mm 8A 90 → 264V ac -
RS Stock No. 549-338
BrandRS PRO
SGD109.36
Each
units
- 1 Lead Acid - EU No - - - - 186 x 88 x 47.5mm 4A 115 V ac, 230 V ac -
RS Stock No. 250-1252
Mfr. Part No.8714000145
BrandMascot
SGD107.40
Each
units
Battery Pack - NiCd, NiMH 1 → 10 UK - - - - - 100 x 51 x 63mm - 230V ac 3.3W
RS Stock No. 747-1780
Mfr. Part No.GC30B-11P1J
BrandMean Well
SGD74.83
Each
units
- - Lead Acid, Lithium-Ion - Standard P1J - - - - - 108 x 67 x 36mm 3A 90 → 264V ac -
RS Stock No. 463-1175
Mfr. Part No.2240000042
BrandMascot
SGD83.30
Each
units
Battery Pack - Lithium-Ion 1 - - - - - - 90 x 45 x 32mm - 90 → 264V ac 5.5W
RS Stock No. 211-405
Mfr. Part No.2515 4-8 ELEMENTS
BrandMascot
SGD152.97
Each
units
Battery Pack - NiCd, NiMH 4 → 8 - - - - - - 107 x 67 x 37mm - 10 → 30V dc 32W
RS Stock No. 478-4061
Mfr. Part No.2240000059
BrandMascot
SGD84.38
Each
units
- 1 Lead Acid - - No - - - - 90 x 45 x 32mm 1.3A 90 → 264V ac 8W
RS Stock No. 250-1397
Mfr. Part No.8314000120
BrandMascot
SGD67.89
Each
units
Battery Pack - NiCd, NiMH 1 → 12 UK - - - - - 75 x 47 x 49mm - 230V ac 2W
RS Stock No. 905-3599
Mfr. Part No.TM454BS
BrandTecMate
SGD535.68
Each
units
- - Lead Acid - UK - OptiMate 3 x 4 - - Lead Acid 167 x 65 x 46mm 800mA 100 → 240V -