SK-8550Version Upgrade Information

You can download the program file to upgrade for free. Read the procedure below before upgrading.
(Supported OS : Windows XP / vista / 7 / 8 / 10 / 11)

Version upgrade history

  • August 26, 2025 (Ver 3.09)

    • ■ EN standard (for Japanese cars) battery format: 350LN1-F / 350LN1-P / 360LN1 / 370LN2 / 390LN3 added.
    • *Reserve free space on the removable disk because the amount of data is large. Also, the update takes time.
  • June 3, 2024 (Ver 3.08)

    • ■ Idle stop battery format: M-65 / N-70 / N-80 / Q-100 / Q-105 / S-115 / T-125 added.
  • January 5, 2023 (Ver 3.07)

    • ■ Auxiliary Battery Type for Hybrid Vehicles: 335LN0 / 345LN0 / 345LN1 / 355LN1-G / 355LN1-F / 355LN2 / 390LN4 / 400LN5 / 375LN2-IS-G / 375LN2-IS-F / 390LN3-IS-G / 390LN3-IS-F / 400LN4-IS / 410LN5-IS / L4 / L5 / LN3 / LN4 / LN5 has been added.
    • ■ Added measurement error indication in case of broken battery cable.(Display contents: Battery cable disconnected. Need replacing.) If you see this error, the battery cable is broken, so purchase and replace the 800 battery cable.
  • April 13, 2021 (Ver 3.05)

    • ■ Auxiliary Battery Type for Hybrid Vehicles: L0 / L1 / L2 / L3 / LB2 / LB3 / LBN2 / LBN3 / 340LN0 / 355LN1 / 375LN2 / 380LN3 has been added.
  • July 8, 2019 (Ver 3.04)

    • ■ Battery Format: 125D26 / 145D31 added.
    • ■ Auxiliary battery type for hybrid vehicles: S42B20 / S55B24 added.
    • ■ Idle stop battery format: M-55 / Q-90 / S-100 / S-105 / T-115 added.
  • June 11, 2018 (Ver 3.03)

    • ■ Auxiliary battery type for hybrid vehicles: LN0 / LN1 / LN2 added.
    • ■ Data revision of 13 CCA standards for idling stop battery format.
    • ■ Adding CCA Standard Print Settings.
    • *Setting method: Select CCA standard value print setting from the menu screen → Select "Yes" to print CCA standard value during test report printing. (Preselection "No")
  • March 7, 2016 (Ver.3.00)

    • ■ Battery Checker SK-8550 Released.
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