SIGMA DP3 Merrill - Manual (Page 20)

19
●
The charge lamp will be green whilst the battery is charging
●
It takes about 140 minutes to recharge the battery.
●
Required time for recharging the battery depends on the ambient
temperature and status of recharge level.
3
When the charge lamp goes out, charging is completed. Remove the
battery from the charger and remove the charger from the wall outlet.
●
We recommend charging the battery before using the camera again.
If it is not used for several days, the battery performance decreases.
●
If the number of possible images from one charge of the battery
considerably decreases, it may indicate the end of battery’s life. In
this case, please purchase a new battery.