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Operating Instructions for SKC Standard Single Chargers

Quick guide for SKC Standard Single Chargers. Learn how to operate your charger, understand charging cycles, safety warnings, and technical specifications for models 223-203A, 223-223A, 223-227A, 223-239A, and 223-260A.

Quick answers from the manual

Quick answer

  • The SKC Standard Single Charger provides a fixed 16-hour constant current charge for NiCd and NiMH battery packs, automatically switching to a trickle charge afterward. p. 1

Key actions

  • Connect the regional plug to the power unit. p. 2
  • Plug into the wall outlet. p. 2
  • Connect to the battery pack to begin charging. p. 2

First start

  • Select the correct regional plug, connect to power, then connect to the battery pack. p. 2
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Problems and fixes

LED not lit when plugged into wall

This is normal; the LED only illuminates when connected to the battery pack.

p. 2

Maintenance and reset

  • Disconnect the charger from the battery pack after 24 hours to maintain optimum battery life. p. 2

Technical specifications

Parameter Value Meaning Pages
Input 100-240V ~ 50/60Hz Universal power input p. 1

Where to find it in the PDF

  • Operating Instructions p. 1, 2
Table of contents

Manual images

Click an image to enlarge
Charger model specifications table Page 1 Device parts diagram with labels Page 2

Quick guide from the manual

The SKC Standard Single Charger is designed to provide a fixed 16-hour constant current charge for SKC NiCd and NiMH battery packs. Once the 16-hour cycle is complete, the charger automatically switches to a trickle charging rate to prevent overcharging. The unit is supplied with four interchangeable electrical supply input plugs for international use.

Charger models and compatibility

This manual covers the following charger models, each designed for specific SKC pump series:

Device parts diagram with labels
Device parts diagram with labels
  • 223-203A: For Sidekick EX/TX/MTX/MI/MMI series, Universal EX/TX/MTX/MA/AZ/MAZ series, and AirChek 52 pumps.
  • 223-223A: For 222 series pumps.
  • 223-227A: For Universal XR series pumps.
  • 223-239A: For AirChek 2000 pumps.
  • 223-260A: For AirChek 3000 pumps.

Technical specifications

All models operate on an input of 100-240V ~ 50/60Hz. Output specifications vary by model:

Charger model specifications table
Charger model specifications table
  • 223-203A: 180mA (NiCd/NiMH 4cell 4.8V 2.0Ah)
  • 223-223A: 55mA (NiCd 2cell 2.4V 0.55Ah)
  • 223-227A: 180mA (NiCd/NiMH 5cell 6.0V 2.0Ah)
  • 223-239A: 180mA (NiCd/NiMH 4cell 4.8V 2.0Ah)
  • 223-260A: 180mA (NiMH 4cell 4.8V 2.0Ah)

Safety warnings

  • These chargers are for indoor use only and must be protected against moisture.
  • Operating temperature range is 0°C to +40°C (95% RH non-condensing).
  • Do not use with non-rechargeable batteries.
  • Use only with specified SKC pump models; using non-SKC chargers or using these chargers with unintended products may void warranties and invalidate intrinsic safety ratings.

Charger operation

  1. Select the appropriate regional plug adapter and attach it to the power supply unit.
  2. Plug the power supply into an electrical socket and switch on the power. Note: The LED indicator will not illuminate at this stage.
  3. Connect the charger output to the battery pack. The LED will illuminate continuously to indicate full-rate charging.
  4. After 16 hours, the charger switches to trickle charge, and the LED will flash.
  5. It is recommended to disconnect the charger from the battery pack after 24 hours to maintain battery health.
  6. Disconnect from the electrical supply when not in use to save energy.

Disposal and recycling

This product falls under WEEE regulations and must be disposed of in an environmentally sound manner. SKC battery packs are subject to special treatment regarding mercury, cadmium, and lead content. Contact your local distributor or SKC Ltd for compliance details.

Practical help

Common problems

LED indicator is not illuminated when plugged into the wall.

This is normal. The LED only illuminates when the charger is connected to the battery pack.

Risk of overcharging.

The charger is designed to automatically switch to a trickle charge after the 16-hour cycle to prevent overcharging.

Before use

  • Select the correct regional plug adapter for your location.
  • Verify the battery pack is compatible with the specific charger model.
  • Ensure the environment is indoors and within the 0°C to +40°C temperature range.
  • Do not use with non-rechargeable batteries.
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Specs in practice

Charging Cycle
Fixed 16-hour constant current charge followed by an automatic trickle charge.

Model compatibility

  • Chargers are strictly for use with specific SKC pump models listed in the manual.
  • Using non-SKC chargers with SKC battery packs voids the warranty and may invalidate the pump's intrinsic safety rating.

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Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.