Hyundai HX300L - Manual (Page 102)

HX200/HX200L-2000/HX300/HX300L/HX400
5-18
5.2.1. Instructions for Battery Storage
① Do not keep the batteries at a high temperature and humidity. Keep it in the
well-ventilating place without dew condensation.
② Keep it in a normal temperature, at relatively constant temperature(20±15 ) ℃
and at relative humidity of less than 70%.
③ Check the battery storage every six months, and manage them with
first-in-first-out.