Rechargeable batteries should not be stored with full charge, nor can they be stored without power. It has the phenomenon of self-discharge. It is best to put the battery in and take some photos every once in a while to observe the remaining battery capacity and charge it in time to avoid excessive discharge affecting the service life and efficiency of the battery.

V. Memory card: Keep it properly.

If you don't use it for a long time, you should take out the memory card to avoid oxidation or rust of the gold finger at the interface of the memory card due to humidity. Be sure to turn off the power supply when loading and unloading the memory card, and do not bend the memory card lightly. Don't touch the memory card directly. The human body is charged with static electricity, which may damage the interface circuit or memory chip. Therefore, it is best to use an anti-static wrist strap, or touch a metal object such as an iron pipe to generate electricity before touching the memory card. Don't put it anywhere after taking it out. It's best to put it in the original protective box, away from high temperature, high humidity and strong magnetic field.