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Help Guide
Wearable Thermo Device
RNP-3
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.)
Connect the supplied USB cable to the USB port of the unit.
1
Connect a USB AC adaptor that you have (a) and the supplied USB cable to the wall outlet.
2
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.
3
The LED turns off when charging is complete.
When charging starts from the discharged state, the battery will be 90% charged in about 1 hour, and fully charged
in about 1 hour and 40 minutes.
(This 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.
Related Topic
Battery duration
Checking the remaining battery level
E-992-100-11(1) Copyright 2022 Sony Group Corporation
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