It is highly forbidden
To charge for a long time
Under unattended condition
So as to avoid the accident
It is highly forbidden
To decompose
Or disassemble
The battery
Batteries are forbidden
To be used
Or kept
Under high temperature
When charging the battery
Covering the charger
Or battery
Is highly forbidden
Batteries are forbidden
To be stored
Or transported
With the metal object
Batteries are forbidden
To be thrown in the fire
Or get heated
Metal is forbidden
To connect directly
With the polarity
Of the battery
It is highly forbidden
To upside down
The polarity
Of the battery
(Cheerson mini drone instructions. Submitted by Allison Jeanne)