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 Dimensions Charge Current Input Voltage Maximum Output Power Number of Charge Stages Output Connectors Output Voltage
RS Stock No. 793-4326
BrandRS PRO
$107.24
Each
units
Battery Pack - Lithium-Ion 4 Worldwide - - 51.5 x 34 x 87.5mm - 100 → 240V ac - - Push-On -
RS Stock No. 885-3681
BrandRS PRO
$164.51
Each
units
- - Lead Acid, NiCd - - - - 135 x 108.6 x 45mm 5A 95 → 165V ac - - - 12 V, 24V
RS Stock No. 885-3688
BrandRS PRO
$27.95
Each
units
- - Lead Acid, NiCd - - - - - - - - - - -
RS Stock No. 176-7083
BrandRS PRO
$43.24
Each
units
- 1 - - - No - 106 x 55 x 24mm - - - - - -
RS Stock No. 176-7081
BrandRS PRO
$173.01
Each
units
- 1 - - - No - 129 x 76 x 23mm - - - - - -
RS Stock No. 611-7312
Mfr. Part No.2115000075
BrandMascot
$94.85
Each
units
Battery Pack - NiCd, NiMH 10 → 20 - - - 90 x 45 x 32mm - 90 → 264V ac 16W - - -
RS Stock No. 800-3032
Mfr. Part No.1001-0006-01
BrandAnsmann
$117.03
Each
units
AA, AAA 8 NiCd, NiMH - Worldwide No Powerline 8 Traveller - - - - - - -
RS Stock No. 866-0316
Mfr. Part No.CX2425
BrandCOTEK
$888.89
Each
units
- 3 Lead Acid - - No - 208.5 x 75 x 283mm 25A 90 → 264V ac - 3 - 28.8V
RS Stock No. 463-1175
Mfr. Part No.2240000042
BrandMascot
$86.40
Each
units
Battery Pack - Lithium-Ion 1 - - - 90 x 45 x 32mm - 90 → 264V ac 5.5W - - -
RS Stock No. 800-3038
Mfr. Part No.2109-3012
BrandAnsmann
$90.47
Each
units
AA, AAA 4 (AA), 4 (AAA) NiCd, NiMH - Worldwide - - 119 x 67 x 31mm - - - - - -
RS Stock No. 211-376
Mfr. Part No.2115 5-10 ELEMENTS
BrandMascot
$126.67
Each
units
Battery Pack - NiCd, NiMH 5 → 10 - - - 90 x 45 x 32mm - 90 → 264V ac 16W - - -
RS Stock No. 776-0800
Mfr. Part No.2019-3003
BrandAnsmann
$82.86
Each
units
Battery Pack - NiCd, NiMH 3 → 10 AUS, EURO, UK, USA - - 118 x 62 x 88mm - 100 → 240V ac - - Plug -
RS Stock No. 611-7299
Mfr. Part No.2115000073
BrandMascot
$85.12
Each
units
Battery Pack - NiCd, NiMH 4 → 8 - - - 90 x 45 x 32mm - 90 → 264V ac 16W - - -
RS Stock No. 866-0313
Mfr. Part No.CX2415
BrandCOTEK
$472.20
Each
units
- 2 Lead Acid - - No - 179 x 63 x 238mm 12.5A 90 → 264V ac - 3 - 28.8V
RS Stock No. 611-7328
Mfr. Part No.2115000074
BrandMascot
$86.40
Each
units
Battery Pack - NiCd, NiMH 6 → 12 - - - 90 x 45 x 32mm - 90 → 264V ac 16W - - -
RS Stock No. 463-1181
Mfr. Part No.2240000043
BrandMascot
$85.12
Each
units
Battery Pack - Lithium-Ion 4 - - - 90 x 45 x 32mm - 90 → 264V ac 15W - - -
RS Stock No. 494-2059
Mfr. Part No.2215000056
BrandMascot
$134.76
Each
units
Battery Pack - NiCd, NiMH 4 → 8 - - - 107 x 67 x 36.5mm - 90 → 264V ac 35W - - -
RS Stock No. 494-2065
Mfr. Part No.2215000057
BrandMascot
$139.20
Each
units
Battery Pack - NiCd, NiMH 6 → 12 - - - 107 x 67 x 36.5mm - 90 → 264V ac 35W - - -
RS Stock No. 494-2009
Mfr. Part No.2215000053
BrandMascot
$141.29
Each
units
Battery Pack - NiCd, NiMH 4 → 8 - - - 107 x 67 x 36.5mm - 90 → 264V ac 35W - - -
RS Stock No. 611-7340
Mfr. Part No.2415000055
BrandMascot
$178.30
Each
units
Battery Pack - NiCd, NiMH 6 → 12 - - - 135 x 80 x 44mm - 90 → 264V ac 65W - - -
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