Exploding batteries can be harmful and do occur occasionally, It is only expedient that we take necessary steps to forestall this types of incidents. It is advisable to owners to pay adequate attention to the state of their batteries .

The following tips can be applied to any phone (and other electronic devices like tablets) to avoid

failures, explosions or fires.

• Use the correctcharger – Ideally, use the supplied charger with your device.

• Unplug once charged – Try and be aware of when your phone is fully charged and unplug it to avoid unnecessary heat build-up.

• Charge in a safe place – it might sound silly but don't leave your phone charging under your pillow all night, for example.

• Remove cases – a case is like putting a jacket on and will restrict heat dissipation so take it off to charge or other heat inducing tasks.

• Avoid direct sunlight

– your phone won't get a tan but the sun will heat it up so don’t leave

it places like your car dashboard, especially when charging.
• Let your phone cool – whether you're charging, gaming or something else; let your phone cool down if it gets hot.

• Avoid pressure – you don't want the battery to get a puncture so don't sit on it or allow it to come under excessive pressure.

http://www.infinix.club/forum/196/264262