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WHILL Model C2/Ci2 User Manual
3
CAUTION
Charge at an ambient temperature between 0 and 40 °C (32 and 104 °F).
The battery may not charge if charged at a temperature outside this range. This may cause
battery deterioration or battery damage.
If the device is not used for a long period, ensure the battery is fully charged before storing.
Charge the battery at least once a month.
There is a risk that the battery may get excessively depleted and cannot be charged.
Do not charge the battery while the brakes are released.
There is a risk that the device may move, causing an accident.
Do not use the charger and AC connector cord other than those provided with the device.
Using a charger or AC connector cord other than the one supplied may result in electric shock,
or in burns caused by charger overheating. In addition, do not use the charger and AC connector
cord included with the device in any other device.
• The device cannot be used while the battery is being charged.
• The approximate charging time is 5 hours.
• The charger is designed to prevent overcharging. Even if the charger is left plugged in for more than 5 hours,
there is no risk of the device being damaged. However for safety reasons, avoid leaving the charger plugged
into the wall outlet for a long time.
• Immediately disconnect the DC connector from the battery after charging is completed.
• If the usable time after charging has become abnormally short and the battery must be replaced, contact your
distributor or customer support.
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