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. 533-6821
Mfr. Part No.YCP03A12
BrandYuasa
SGD55.51
Each
units
- 1 Lead Acid - UK No - - - - 205 x 130 x 80mm 300mA 230V ac -
RS Stock No. 533-6837
Mfr. Part No.YCP06A12
BrandYuasa
SGD75.50
Each
units
- 1 Lead Acid - UK No - - - - 102 x 61 x 47mm 600mA 230V ac -
RS Stock No. 753-4692
Mfr. Part No.YPC2A12
BrandYuasa
SGD99.23
Each
units
- 1 Lead Acid - - No - - - - 140 x 65 x 42mm 2A 220 → 260V ac -
RS Stock No. 533-6843
Mfr. Part No.YCP1A12
BrandYuasa
SGD128.77
Each
units
- 1 Lead Acid - UK No - - - - 143 x 103 x 91mm 1A 230V ac -
RS Stock No. 753-4709
Mfr. Part No.YPC4A24
BrandYuasa
SGD160.20
Each
units
- 1 Lead Acid - UK No - - - - 190 x 92 x 55mm 4A 220 → 260V ac -
RS Stock No. 753-4718
Mfr. Part No.YPC8A12
BrandYuasa
SGD155.55
Each
units
- 1 Lead Acid - UK No - - - - 190 x 92 x 55mm 8A 220 → 260V ac -
RS Stock No. 753-4705
Mfr. Part No.YPC4A12
BrandYuasa
SGD91.01
Each
units
- 1 Lead Acid - UK No - - - - 164 x 85 x 55mm 4A 220 → 260V ac -