Canon Power Shot A400 User Manual page 118

Troubleshooting
Problem
The batteries are Batteries are not the right type.
consumed quickly.
Battery capacity drops due to low
ambient temperatures.
Battery terminals are dirty.
The batteries have not been used
for over a year.
The batteries have lost their
effectiveness.
Batteries do not Batteries were placed in the
charge with a charger in the wrong direction.
separately sold
Poor electrical contact, between
battery charger.
batteries and the charger.
Battery terminals are dirty.
The batteries have lost their
effectiveness.
116
Cause Solution
Use only new AA-size alkaline batteries or
Canon AA-size NiMH batteries. (For the
information about alkaline batteries, see Proper
Battery Handling (p. 17))
If shooting in a cold area, keep the batteries
warm (by placing them in an inner pocket, etc.)
until ready to use them.
Wipe them well with a dry cloth before use.
Reload the batteries several times.
Performance should return to normal after
several charging cycles.
Replace both batteries with new ones.
Put batteries back into the charger in the
correct direction.
Be sure to set batteries firmly into the charger.
Be sure that the power cable is firmly
connected to the charger, and is firmly plugged
in to the power outlet.
Wipe them well with a dry cloth before charging.
Replace both batteries with new ones.