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B e d i e n u n g s a n l e i t u n g

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Do you have a question about the K4 and is the answer not in the manual?

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Udo
March 15, 2025

Ich möchte mit dem ISDT K4 eine Starterbatterie mit 85Ah laden. Welche Einstellung muss ich vornehmen?

1 comments:
Mr. Anderson
March 15, 2025

To charge an 85Ah starter battery using the ISDT K4 charger, you should use the Pb (lead-acid) battery settings. According to the manual:

- Battery Type: Pb
- Cell Count: 1~14S (Select the appropriate number of cells for your battery)
- Max Charging Voltage per Cell: 2.40V
- Storage Voltage per Cell: 2.00V
- Discharge Voltage per Cell: 1.90V
- Max Charge Current: 20.0A

For an 85Ah battery, a recommended charge rate is typically 0.1C to 0.2C (8.5A to 17A). Set the charging current accordingly, ensuring it does not exceed the charger’s 20A limit.

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Summary of Contents for ISDT K4

  • Page 1 B e d i e n u n g s a n l e i t u n g...
  • Page 2 Thanks for purchasing the ISDT K4 Smart Charger Port / Buttons Key operation instructions Please visit: www.isdt.co for more details on the functions of this smart charger, (under standby interface) as well as purchase various accessories. Functions of products will be kept on upgrading, the manual in your hand...
  • Page 3 If the input power is smaller than the max working power(1200W), please set up the parameter as the Power on K4 smart charger, connect the battery, and short press the menu button to enter the task actual output power as max input, to protect the input power and enable the charger to work stable.

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