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. 536-489
BrandRS PRO
R 474.35
Each
units
AA, AAA, C, D, 9V 6 NiCd, NiMH - UK No - No 3 → 13 (AAA) h, 13 → 27 (9V) h, 15 → 33 (AA) h, 26 → 116 (D) h, 26 → 52 (C) h - 198 x 105 x 52mm - - -
RS stock no. 433-1459
Mfr. Part No.9564006-1
BrandAnsmann
R 606.40
Each
units
- 1 Lead Acid - UK No ALCS 2-24A - - - 106 x 68 x 51mm 900mA 230V ac -
RS stock no. 117-6043
Mfr. Part No.K-KJ55MCC40E
BrandEneloop
R 1,340.11
Each
units
AA 4 NiMH - EU Yes - - 4h - 105 x 65 x 27mm - - -
RS stock no. 747-1711
Mfr. Part No.PB-600-24
BrandMean Well
R 6,222.93
Each
units
- 1 Lead Acid - - No - - - - 230 x 158 x 67mm 21A 90 → 264V ac -
RS stock no. 793-4086
Mfr. Part No.CEP1H78
BrandCTEK
R 6,689.92
Each
units
- 1 Lead Acid - EU No MXS 10 - - - 197 x 93 x 49mm 10A 220 → 240V ac -
RS stock no. 793-4092
Mfr. Part No.CEP1H77
BrandCTEK
R 3,459.31
Each
units
- 1 Lead Acid - EU No MXS 5.0 - - - 168 x 65 x 38mm 5A 220 → 240V ac -
RS stock no. 800-3032
Mfr. Part No.1001-0006-01
BrandAnsmann
R 1,033.90
Each
units
AA, AAA 8 NiCd, NiMH - Worldwide No Powerline 8 Traveller - - - - - - -
RS stock no. 793-4095
Mfr. Part No.CEP1H54
BrandCTEK
R 3,461.96
Each
units
- 1 Lead Acid - EU No MXS 7.0 - - - 191 x 89 x 48mm 7A 220 → 240V ac -
RS stock no. 667-3092
Mfr. Part No.5207452/UK
BrandAnsmann
R 4,462.30
Each
units
AA, AAA, C, D, 9V 16 Lithium-Ion, NiCd, NiMH - UK No Energy XC3000 Battery Manager No 94 → 195 (AA) min, 160 → 290 (AAA) min, 160 → 320 (C) min, 160 → 720 (D) min - 287 x 192 x 56mm - - -
RS stock no. 720-9080
Mfr. Part No.5207473-UK
BrandAnsmann
R 665.74
Each
units
AA, AAA, C, D, 9V 5 NiCd, NiMH - EURO, 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. 769-8761
Mfr. Part No.CEF22 RS
BrandDuracell
R 1,079.93
Each
units
AA, AAA, C, D, 9V 4 NiMH - UK No CEF22 No - - - - - -
RS stock no. 800-3079
BrandRS PRO
R 419.73
Each
units
AA, AAA, 9V 6 NiCd, NiMH - EURO, UK No - No 18.5h - 142 x 174 x 54mm - - -
RS stock no. 803-8438
Mfr. Part No.7638900298758
BrandEnergizer
R 679.17
Each
units
AA, AAA, C, D, 9V 4 NiCd, NiMH - EU No Universal Charger - 3.45 (AAA) h, 5 (C) h, 5 (D), 5.30 (AA) h, 18 (9V) h - 185 x 182 x 60mm - - -
RS stock no. 793-4098
Mfr. Part No.CEP1H37
BrandCTEK
R 1,960.98
Each
units
- 1 Lead Acid - EU No XS 800 - - - 142 x 51 x 36mm 800mA 220 → 240V ac -
RS stock no. 549-283
BrandRS PRO
R 906.31
Each
units
- 1 Lead Acid - EU No - - - - 120 x 61.6 x 37.4mm 2A 100 → 240V ac -
RS stock no. 776-1077
Mfr. Part No.7638900298741
BrandEnergizer
R 834.90
Each
units
AA, AAA, C, D, 9V 4 NiMH - UK No Universal Charger - 3 (AAA) h, 4.5 (C) h, 4.5 (D) h, 5 (AA) h, 12.5 (9V) h - 180 x 130 x 65mm - - -
RS stock no. 513-6772
Mfr. Part No.2240000115
BrandMascot
R 906.12
Each
units
Battery Pack - Lithium-Ion 1 - - - - - - 90 x 45 x 32mm - 90 → 264V ac 4.2W
RS stock no. 769-8768
Mfr. Part No.CEF15 RS
BrandDuracell
R 1,085.67
Each
units
AA, AAA 4 NiMH - UK Yes CEF15 No - - 129 x 82 x 48mm - - -
RS stock no. 783-9593
Mfr. Part No.1001-0004-UK
BrandAnsmann
R 2,525.14
Each
units
AA, AAA, C, D, 9V 16 NiCd, NiMH - EURO, UK No Energy 16 Plus - 1.2 (AA)h - - - - -
RS stock no. 747-1724
Mfr. Part No.PB-360P-12
BrandMean Well
R 3,116.30
Each
units
- 1 Lead Acid - - No - - - - 253 x 135 x 48.5mm 24.3A 90 → 132 V ac, 180 → 264 V ac -