Wrong battery charging practices that damages your battery and phone (Must see)

# If you are in the habit of connecting your
charger to your device before connecting the
plug to a power source then don't expect to enjoy
your battery
.
*** Reason: Sparks are often generated
immediately you plug the charger into a power
source. Your device being connected at this point
could damage your battery or your device.

# If you are in the habit of connecting your
device and stepping out with the hope that it will
start charging once power is restored the save for
a new battery or better still, device.
*** Reason: Power might be supplied at sudden
high voltage or fluctuate several times, causing
damage.

# If you are in the habit of using your device
while connected for several hours without
allowing for proper ventilation then don't be
disappointed when your battery packs up.
*** Reason: When your battery is fully charged,
the next available job for current is to create heat.
If you don't allow for proper cooling then prepare
for trouble.