8
TO ENSURE SAFETY
• It is recommended to use a SHIMANO genuine battery. If using a battery from another
company, be sure to read the owner's manual thoroughly prior to use.
• Some of the important information in this dealer's manual can also be found on the
device labels.
Charging can be carried out at any time, regardless of the
remaining battery, but please fully charge the battery in the
following cases:
• The battery cannot be used at the time of purchase. Before riding, be sure to fully charge
the battery.
• If the battery has become completely empty, charge it as soon as possible. If you leave
the battery without charging it, the battery will deteriorate and may become unable to
be used.
Handling the battery:
• If the screen of the cycle computer is not displayed, fully charge the battery. The battery
level may affect the display.
• Press the battery power button and if the LED display does not light up, the protective
circuit is operating. Connect the battery charger and charge the battery to deactivate
this.
• If the battery is charged in a low-temperature environment of 5°C or lower, the traveling
distance of a full charge will be shorter. Also, if the battery is used in a low-temperature
environment of 5°C or lower, the battery consumption will become quicker. This is due to
the characteristics of the battery, and the battery will return to normal when at a normal
temperature.
• Riding with a high level of assistance in a low-temperature environment when the
battery level is low may cause the battery level to drop to 0%, due to the characteristics
of the battery. Charge it before use.
Handling the battery charger:
• The battery can be charged at temperatures between 0°C - 40°C. The battery charger will
not operate at temperatures outside the range. It will display an error. (The battery
charger LED lamp flashes. )
• Do not use in environments with high humidity. (EC-E8004)
• Do not use outdoors or in environments with high humidity. (Battery charger other than
the EC-E8004)
• Charge the battery in a location not exposed to rain or wind. (EC-E8004)
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