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. 800-3048
Mfr. Part No.1001-0011-UK
BrandAnsmann
MYR210.19
Each
units
AA, AAA 4 (AA), 4 (AAA) NiCd, NiMH - EURO, UK - - - - - 105 x 65 x 27mm - - -
RS Stock No. 536-489
BrandRS PRO
MYR121.96
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. 793-4092
Mfr. Part No.CEP1H77
BrandCTEK
MYR610.87
Each
units
- 1 Lead Acid - EU No MXS 5.0 - - - 168 x 65 x 38mm 5A 220 → 240V ac -
RS Stock No. 549-283
BrandRS PRO
MYR199.34
Each
units
- 1 Lead Acid - EU No - - - - 120 x 61.6 x 37.4mm 2A 100 → 240V ac -
RS Stock No. 800-3038
Mfr. Part No.2109-3012
BrandAnsmann
MYR238.73
Each
units
AA, AAA 4 (AA), 4 (AAA) NiCd, NiMH - Worldwide - - - - - 119 x 67 x 31mm - - -
RS Stock No. 423-7543
Mfr. Part No.2044000040
BrandMascot
MYR1,830.99
Each
units
- 1 Lead Acid - UK No - - - - 210 x 148 x 58mm 20A 198 → 264V ac -
RS Stock No. 771-6276
BrandRS PRO
MYR779.99
Each
units
- 1 Lead Acid - UK No - - - - - 14A 230V ac -
RS Stock No. 776-1077
Mfr. Part No.7638900298741
BrandEnergizer
MYR241.57
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. 433-1459
Mfr. Part No.9564006-1
BrandAnsmann
MYR155.81
Each
units
- 1 Lead Acid - UK No ALCS 2-24A - - - 106 x 68 x 51mm 900mA 230V ac -
RS Stock No. 776-1064
Mfr. Part No.7638900307214
BrandEnergizer
MYR314.67
Each
units
AA, AAA 4 NiMH - UK Yes 1hr Charger - 60 (AA)min - 75 x 32 x 115mm - - -
RS Stock No. 793-4095
Mfr. Part No.CEP1H54
BrandCTEK
MYR1,041.17
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
MYR1,285.44
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. 493-4676
Mfr. Part No.5117003-UK
BrandAnsmann
MYR116.56
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. 720-9080
Mfr. Part No.5207473-UK
BrandAnsmann
MYR128.91
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. 747-1847
Mfr. Part No.PB-1000-24
BrandMean Well
MYR2,688.63
Each
units
- 1 Lead Acid - - No - - - - 300 x 184 x 70mm 34.7A 90 → 264V ac -
RS Stock No. 549-287
BrandRS PRO
MYR1,629.09
Each
units
- 1 Lead Acid - UK No - - - - 405 x 186 x 76mm 25A 230V ac 600W
RS Stock No. 706-7899
Mfr. Part No.PC1005
BrandFreeLoader
MYR82.05
Each
units
- 1 - - - No FreeLoader Pico - - - 105 x 45 x 11.5mm - - -
RS Stock No. 753-4692
Mfr. Part No.YPC2A12
BrandYuasa
MYR332.21
Each
units
- 1 Lead Acid - - No - - - - 140 x 65 x 42mm 2A 220 → 260V ac -
RS Stock No. 513-6772
Mfr. Part No.2240000115
BrandMascot
MYR278.77
Each
units
Battery Pack - Lithium-Ion 1 - - - - - - 90 x 45 x 32mm - 90 → 264V ac 4.2W
RS Stock No. 549-322
BrandRS PRO
MYR1,027.08
Each
units
- 1 Lead Acid - EURO, UK No - - - - 235 x 186 x 76mm 10A 230V ac -