iTechworld iTECHBC20 User Manual

iTechworld iTECHBC20 User Manual

20a intelligent lithium battery charger

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iTECHBC20
20A Intelligent Lithium Battery Charger
USER GUIDE

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Questions and answers

Gerry Pietersen
May 30, 2025

When I connect the itechhbc20 20A lithium battery charger to my 100 ah lithium battery and turn it on, the power green light is on solid and the other 3 green lights flash continuously. Can you explain please.

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Summary of Contents for iTechworld iTECHBC20

  • Page 1 20A Intelligent Lithium Battery Charger USER GUIDE...
  • Page 2: Safety Precautions

    Disclaimer: While iTechworld has taken every precaution to ensure the accuracy of the contents of this user guide, iTechworld assumes no responsibility for any errors or omissions. FURTHERMORE, ALL SPECIFICATIONS AND FUNCTIONALITY MAY CHANGE AT ANY TIME WITHOUT NOTICE.
  • Page 3: Front Panel

    LiFEPO battery. The multi-stage charging algorithm delivers a fast, efficient, and consistent charge with no voltage drop. The iTECHBC20 will prolong the longevity of the battery cells and prevents premature battery failure. The iTECHBC20 battery charger also features an innovative boost-charge feature; this helps activate a battery with low voltage.
  • Page 4: Rear Panel

    Rear Panel A Cooling Fan B DC Output Negative Terminal (Black) DC Output Positive Terminal (Red) D DC Output Protection Fuses(45Amps)
  • Page 5: Installation

    Installation Mounting the charger If permanently mounting the battery charger, the location where it is mounted must be: • Dry: Do not allow any liquids to drip or splash onto the unit • Cool: Do not install in direct sunlight or close to any heat sources, the ideal ambient air temperature is between 15°C to 25°C.
  • Page 6: Product Function

    AC power cable. 6. Remove the charging cables from the battery. Multi-Stage Charging Algorithm iTECHBC20 20A Intelligent Lithium Battery Charger utilises a 3-stage charging algorithm to deliver a fast, efficient, and consistent charge, prolonging the life of your battery. The stages can be visualised in the graph below, with voltage(V) and current(I) over time(T).
  • Page 7 Stage 3 Float Charge: Once the battery has reached full charge, the charger voltage is then lowered and held constant. This prevents over charging the battery and prolongs the life. This stage is often referred to as a maintenance mode, rather than charging a battery, it keeps an already charged battery from discharging while providing power to any additional loads connected to the battery, such as fridges and lights.
  • Page 8: Troubleshooting

    Troubleshooting Symptom Possible Cause Solutions No AC input Check AC power source and the fuse. Charger has overheated Allow the charger to cool down, make sure all fan inlets and ventilation slots are not Battery is not receiving charge obstructed. Relocate charger to a cooler location.
  • Page 9: Maintenance And Warranty

    1300 483 249 or email service@itechworld.com.au before returning the charger back to the store. If such a unit is returned within the warranty period, iTechworld will repair the unit or, at its discretion, replace it, free of charge. If the unit is repaired, new or reconditioned replacement parts may be used, at the manufacturer’s discretion.

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