Verykool s810 - Manual (Page 6)

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Health and safety
Never use a charger or battery that is damaged in any way.
Batteries
Properly use the battery. Do not short-circuit the battery, which may
damage the battery, cause heat or cause fire.
Do not dispose of batteries in high temperature of in a fire as they
may explode.
Return the waste battery to the dealer or designated recycling
center. Do not dispose as household waste.
Battery charging time depends on the remaining battery charge, the
type of battery and the charger used. The battery can be charged
and discharged hundreds of times, but it will gradually wear out.
When your phone’s operating time is noticeably shorter than normal,
it is time to buy a new battery.
Use only original or approved chargers and batteries.
Unplug the charger from the electrical plug and the device when not
in use.
Do not overcharge, which will damage the battery and shorten its
life.
Leaving the battery in extremely hot or cold places will reduce the
capacity of the battery. Cool down or heat up the temperature to
normal level (Li-ion batteries are particularly affected by
temperatures below 0℃ (32° F)).
Your wireless phone gives you the powerful ability to communicate
by voice, almost anywhere, anytime. Therefore, you must uphold
some important responsibility.
Road safety
When you are driving, driving is your first responsibility. When using
your wireless phone while driving, be more alert and follow local