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. 866-0316
Mfr. Part No.CX2425
BrandCOTEK
SGD867.68
Each
units
- 3 Lead Acid - - No - - - - 208.5 x 75 x 283mm 25A 90 → 264V ac -
RS Stock No. 549-283
BrandRS PRO
SGD70.91
Each
units
- 1 Lead Acid - EU No - - - - 120 x 61.6 x 37.4mm 2A 100 → 240V ac -
RS Stock No. 753-4692
Mfr. Part No.YPC2A12
BrandYuasa
SGD97.51
Each
units
- 1 Lead Acid - - No - - - - 140 x 65 x 42mm 2A 220 → 260V ac -
RS Stock No. 720-9080
Mfr. Part No.5207473-UK
BrandAnsmann
SGD60.11
Each
units
AA, AAA, C, D, 9V 5 NiCd, NiMH - EU, UK No Photocam V No 1.4 → 6.6 (AAA) h, 2 → 8.6 (AA) h, 4.6 → 15 (C) h, 5.4 → 30 (D) h, 11.2 → 28 (9V) h - - - - -
RS Stock No. 533-6843
Mfr. Part No.YCP1A12
BrandYuasa
SGD126.56
Each
units
- 1 Lead Acid - UK No - - - - 143 x 103 x 91mm 1A 230V ac -
RS Stock No. 769-8761
Mfr. Part No.CEF22 RS
BrandDuracell
SGD82.31
Each
units
AA, AAA, C, D, 9V 4 NiMH - UK No CEF22 No - - - - - -
RS Stock No. 800-3032
Mfr. Part No.1001-0006-01
BrandAnsmann
SGD94.60
Each
units
AA, AAA 8 NiCd, NiMH - Worldwide No Powerline 8 Traveller - - - - - - -
RS Stock No. 793-4329
BrandRS PRO
SGD84.58
Each
units
Battery Pack - NiCd, NiMH 4 → 10 AUS, EURO, IEC, JPN, UK, USA - - - - - 51.5 x 34 x 87.5mm - 100 → 240V ac -
RS Stock No. 793-4323
BrandRS PRO
SGD109.88
Each
units
- 1 Lead Acid - EURO, JPN, UK, USA No - - - - 87.5 x 51.5 x 34mm 1A 100 → 240V ac -
RS Stock No. 747-1711
Mfr. Part No.PB-600-24
BrandMean Well
SGD490.67
Each
units
- 1 Lead Acid - - No - - - - 230 x 158 x 67mm 21A 90 → 264V ac -
RS Stock No. 405-8621
Mfr. Part No.2040000051
BrandMascot
SGD146.17
Each
units
- 1 Lead Acid - - No - - - - 130 x 80 x 44mm 4A 90 → 264V ac -
RS Stock No. 866-0313
Mfr. Part No.CX2415
BrandCOTEK
SGD460.93
Each
units
- 2 Lead Acid - - No - - - - 179 x 63 x 238mm 12.5A 90 → 264V ac -
RS Stock No. 706-7899
Mfr. Part No.PC1005
BrandFreeLoader
SGD26.13
Each
units
- 1 - - - No FreeLoader Pico - - - 105 x 45 x 11.5mm - - -
RS Stock No. 800-3041
Mfr. Part No.1101-0004-UK
BrandAnsmann
SGD22.32
Each
units
AA, AAA 4 (AA), 4 (AAA) NiCd, NiMH - UK Yes - - 10 (AAA) h, 15 (AA) h - - - - -
RS Stock No. 747-1718
Mfr. Part No.PB-600-12
BrandMean Well
SGD557.88
Each
units
- 1 Lead Acid - - No - - - - 230 x 158 x 67mm 40A 90 → 264V ac -
RS Stock No. 747-1727
Mfr. Part No.PB-360P-24
BrandMean Well
SGD224.89
Each
units
- 1 Lead Acid - - No - - - - 253 x 135 x 48.5mm 12.5A 90 → 132 V ac, 180 → 264 V ac -
RS Stock No. 549-300
BrandRS PRO
SGD70.85
Each
units
- 1 Lead Acid - EU, UK No - - - - 120 x 61.6 x 37.4mm 2A 230V ac -
RS Stock No. 117-6043
Mfr. Part No.K-KJ55MCC40E
BrandEneloop
SGD97.67
Each
units
AA 4 NiMH - EU Yes - - 4h - 105 x 65 x 27mm - - -
RS Stock No. 538-8973
Mfr. Part No.EA-BC 512-21R/T
SGD292.29
Each
units
- 1 Lead Acid - - No - - - - 110 x 58 x 226mm 20.5A 90 → 264V ac -
RS Stock No. 800-3079
BrandRS PRO
SGD34.12
Each
units
AA, AAA, C, D, 9V 6 NiCd, NiMH - EU, UK No - No - - 142 x 174 x 54mm - - -