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. 211-382
Mfr. Part No.2116 10-20 ELEMENTS
BrandMascot
SGD98.24
Each
units
Battery Pack - NiCd, NiMH 10 → 20 AUS, EU, UK, USA - - - - - 90 x 45 x 32mm - 90 → 264V ac 16W
RS Stock No. 747-1796
Mfr. Part No.GC30B-5P1J
BrandMean Well
SGD82.82
Each
units
- - Lead Acid, Lithium-Ion - Standard P1J - - - - - 108 x 67 x 36mm 1.6A 90 → 264V ac -
RS Stock No. 364-4186
Mfr. Part No.9740000054
BrandMascot
SGD434.77
Each
units
- 1 Lead Acid - UK No - - - - 184 x 171 x 54mm 5A 190 → 264V ac 120W
RS Stock No. 365-6971
Mfr. Part No.9740000053
BrandMascot
SGD326.16
Each
units
- 1 Lead Acid - UK No - - - - 184 x 171 x 54mm 10A 190 → 264V ac 120W
RS Stock No. 747-1783
Mfr. Part No.GC30B-2P1J
BrandMean Well
SGD74.83
Each
units
- 1 Lead Acid, Lithium-Ion - Standard P1J No - - - - 108 x 67 x 36mm 3A 90 → 264V ac -
RS Stock No. 183-1590
Mfr. Part No.3743000051
BrandMascot
SGD102.95
Each
units
Battery Pack - Lithium-Ion 7 AUS, EU, UK, USA - - - - - 108.5 x 49 x 29mm - 90 → 264V ac 17W
RS Stock No. 174-4612
Mfr. Part No.1001-0063-UK
BrandAnsmann
SGD46.66
Each
units
9V 2 NiCd, NiMH - EU, UK - - - - - 124 x 70 x 48.7mm - - -
RS Stock No. 201-9789
Mfr. Part No.1001-0079-UK
BrandAnsmann
SGD73.04
Each
units
AA, AAA 4 NiMH - EU, UK No Powerline 4.2 Pro - - - 80 x 130 x 31mm 1.8A - -
RS Stock No. 173-5590
BrandRS PRO
SGD95.22
Each
units
Battery Pack - Lithium-Ion 3 AUS, EU, UK, USA - - - - - 118 x 62 x 35mm - 100 → 240V -
RS Stock No. 769-8768
Mfr. Part No.CEF15 RS
BrandDuracell
SGD108.68
Each
units
AA, AAA 4 NiMH - UK Yes CEF15 No - - 129 x 82 x 48mm - - -
RS Stock No. 183-1593
Mfr. Part No.3546000053
BrandMascot
SGD127.05
Each
units
Battery Pack - Lithium-Ion 2 AUS, EU, UK, USA - - - - - 124 x 50 x 37mm - 90 → 264V ac 23W
RS Stock No. 211-354
Mfr. Part No.2116 5-10 ELEMENTS
BrandMascot
SGD98.24
Each
units
Battery Pack - NiCd, NiMH 5 → 10 AUS, EU, UK, USA - - - - - 90 x 45 x 32mm - 90 → 264V ac 16W
RS Stock No. 161-1571
Mfr. Part No.TM470
BrandTecMate
SGD146.12
Each
units
- - - - - - - - - - - - - -
RS Stock No. 611-7340
Mfr. Part No.2415000055
BrandMascot
SGD167.12
Each
units
Battery Pack - NiCd, NiMH 6 → 12 - - - - - - 135 x 80 x 44mm - 90 → 264V ac 65W