THOMSON THVC23120B Mode D'emploi page 35

(C) Remove the battery pack, you can also charge the battery
pack directly.
Charging time
General charging time：4-5 hours
Working time
Max mode≥20 min, Normal mode≥40 min
Notice :
~ Please do not charge if the ambient temperature is lower than
5℃ or higher than 40℃.
The power indicator flashes when there is insufficient power
~
during the operation process.
EN-12