Zte R3000 User Manual page 15

 Don't leave the battery in direct sunlight or anywhere really hot, like in a car
on a summer's day. That could make it leak or overheat, while lowering its
performance and shortening its life.
 Don't charge the battery continuously for 24 hours. Overcharging is not good
for it.
Note:
Please avoid contact with the materials inside a damaged or leaking
battery. If they get on your skin, wash with lots of water and seek
medical assistance if required.
Charger care and safety
 Only plug the charger into voltages between 110VAC and 220VAC. Using a
voltage outside that range can damage the phone/charger – and cause the
battery to leak or catch fire.
 Never short-circuit the charger – this may cause electrocution, overheating
or damage.
 Don't charge the phone in direct sunlight or in an area where it's damp, dusty,
or on a vibrating surface. And charging your phone near – or on – a TV or
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