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庫存編號 478-4077
製造零件編號2240000060
BrandMascot
HK$406.09
單位
- 1 Lead Acid - - No - - - - 90 x 45 x 32mm 1A 90 → 264V ac 12W
RS庫存編號 436-3721
製造零件編號2043000042
BrandMascot
HK$2,442.56
單位
- 1 Lead Acid - - No - - - - 210 x 148 x 58mm 10A 90 → 264V ac -
RS庫存編號 771-6276
BrandRS PRO
HK$1,180.21
單位
- 1 Lead Acid - UK No - - - - - 14A 230V ac -
RS庫存編號 364-4186
製造零件編號9740000054
BrandMascot
HK$1,999.14
單位
- 1 Lead Acid - UK No - - - - 184 x 171 x 54mm 5A 190 → 264V ac 120W
RS庫存編號 800-3032
製造零件編號1001-0006-01
BrandAnsmann
HK$478.40
單位
AA, AAA 8 NiCd, NiMH - Worldwide No Powerline 8 Traveller - - - - - - -
RS庫存編號 405-8621
製造零件編號2040000051
BrandMascot
HK$791.84
單位
- 1 Lead Acid - - No - - - - 130 x 80 x 44mm 4A 90 → 264V ac -
RS庫存編號 536-489
BrandRS PRO
HK$193.29
單位
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庫存編號 793-4092
製造零件編號CEP1H77
BrandCTEK
HK$988.52
單位
- 1 Lead Acid - EU No MXS 5.0 - - - 168 x 65 x 38mm 5A 220 → 240V ac -
RS庫存編號 405-8643
製造零件編號9940000068
BrandMascot
HK$584.94
單位
- 1 - - - No - - - Lead Acid 107 x 67 x 36.5mm 2.3A 90 → 264V ac 35W
RS庫存編號 365-6971
製造零件編號9740000053
BrandMascot
HK$2,008.65
單位
- 1 Lead Acid - UK No - - - - 184 x 171 x 54mm 10A 190 → 264V ac 120W
RS庫存編號 467-6796
製造零件編號9554003/03
BrandAnsmann
HK$141.58
單位
- - - - UK - - - - - 85 x 62 x 81mm - 230V ac -
RS庫存編號 767-4926
BrandRS PRO
HK$2,838.38
單位
- 1 Lead Acid - UK No - - - - 315 x 295 x 410mm 33A 230V ac -
RS庫存編號 793-4086
製造零件編號CEP1H78
BrandCTEK
HK$1,985.40
單位
- 1 Lead Acid - EU No MXS 10 - - - 197 x 93 x 49mm 10A 220 → 240V ac -
RS庫存編號 793-4329
BrandRS PRO
HK$458.22
單位
Battery Pack - NiCd, NiMH 4 → 10 AUS, EURO, IEC, JPN, UK, USA - - - - - 51.5 x 34 x 87.5mm - 100 → 240V ac -
RS庫存編號 549-283
BrandRS PRO
HK$359.02
單位
- 1 Lead Acid - EU No - - - - 120 x 61.6 x 37.4mm 2A 100 → 240V ac -
RS庫存編號 423-7515
製造零件編號9840000047
BrandMascot
HK$1,944.80
單位
- 1 Lead Acid - UK No - - - - 158 x 171 x 54mm 5A 190 → 264V ac 60W
RS庫存編號 667-3092
製造零件編號5207452/UK
BrandAnsmann
HK$2,106.81
單位
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庫存編號 783-9593
製造零件編號1001-0004-UK
BrandAnsmann
HK$894.61
單位
AA, AAA, C, D, 9V 16 NiCd, NiMH - EURO, UK No Energy 16 Plus - 1.2 (AA)h - - - - -
RS庫存編號 405-8637
製造零件編號2040000052
BrandMascot
HK$791.84
單位
- 1 Lead Acid - - No - - - - 130 x 80 x 44mm 2A 90 → 264V ac -
RS庫存編號 493-4676
製造零件編號5117003-UK
BrandAnsmann
HK$210.14
單位
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 - - -