Sony Cyber-shot DSC-RX100 IV - Manual (Page 32)

For customers in countries/regions other than the U.S.A.
and Canada
Charge lamp
Lit: Charging
Off: Charging finished
Flashing: Charging error or charging paused temporarily because the camera is not
within the proper temperature range
If the charge lamp lights up once and then immediately turns off, the battery pack is
fully charged.
Charging time (Full charge)
The charging time is approximately 230 min. using the AC Adaptor (supplied).
The charging time may differ depending on the remaining capacity of the battery pack or
the charging conditions.
The battery pack can be charged even when it is not fully depleted.
The above charging time applies when charging a fully depleted battery pack (supplied) at
a temperature of 25°C (77°F). Charging may take longer depending on the conditions of
use and the environment.