Jabra ENHANCE SELECT 100 Rx User Manual page 48

Question
Can I charge at high temperatures?
48 Troubleshooting
Answer
charge immediately. Charging must take place between 0 °C
(32 °F) and 40 °C (104 °F)
The operating temperature range for the charger and the
hearing aids is 0 °C (+32 °F) to +40 °C (+104 °F)