Charging the unit
The unit has a lithium-ion battery. When you use the unit for the first time or have not used it for a long time, charge the unit for 30 minutes or more.
Cooling or warming is possible while the unit is being powered by a USB connection with a portable battery, computer or a USB AC adaptor. (The built-in battery of the unit is not charged during cooling or warming.)
The shape of the unit differs depending on the model.
- Connect the supplied USB cable to the USB port of the unit.
- Connect a USB AC adaptor that you have (a) and the supplied USB cable to the wall outlet.
The LED lights up in red and charging starts.
- When the LED turns off, disconnect the USB cable from the unit and the USB AC adaptor.
The LED turns off when charging is complete.
When charging starts from a discharged state, the battery charges as follows.
- RNPK-5/RNPK-5T/RNPK-4/RNPK-4T: 90% charged in about 100 minutes; fully charged in about 170 minutes.
- RNP-3: 90% charged in about 60 minutes; fully charged in about 100 minutes.
(The charging time may vary depending on the USB AC adaptor you are using.)
Note
- Be sure to use a portable battery or a USB AC adaptor that has an overcurrent protection function.
- Charge the battery in an ambient temperature of 5°C to 40°C.
- Do not touch the unit, USB cable, or USB AC adaptor with wet hands.
