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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Idle Stop & Go (ISG) System - 1.6L (Except HEV)) >> AGM Battery >> Repair Procedures >> Installation >> IU or WU Charging Method

IU or WU Charging Method

WARNING: This page is about a different variant/trim than selected.

IU or WU Charging Voltage: 14.7V [20°C - 30°C (68°F - 86°F)]

Minimum Charging Voltage [Approx. 24 hr 20°C (68°F)]: 14.4V

Max Charging Voltage [20°C (68°F)]: 14.8V

Recommend 10% capacity of charging current (ex 60Ah: 100% = Charging current 6.0A)

WARNING:
  • Do not charge the battery higher than 15.2 voltage, and rapid charge.
  • Do not open or remove the AGM battery upper cover.
NOTE:
  • If the battery sensor is connected to the battery during the AGM battery charging, the battery sensor may not detect the battery condition, causing a DTC code or malfunction of the AMS function, so using the battery after about 10 hr at room temperature.