Bluetooth Headphone Battery 1.

Charge

· Battery charge should be used appropriate charger.

· Forbidden to use modified or damaged charger.

· Forbidden to charge over 24 hours for battery.

· Charge current: can't surpass the biggest charge current specified by battery specification.

· Charge voltage: can't surpass the highest charge voltage specified by battery specification.

· Charge temperature: The battery should be charged within proper temperature range specified in specification.

· Forbidden of reverse charge: The battery should be connected correctly, the polarity has to be confirmed before wiring in case

of the battery is connected improperly, the battery can't be charge. Simultaneously, the reverse charge may cause damaging

to the battery which may lead to degradation of battery performance and damage the battery safety, and could cause heat generation or leakage.

Discharge:

· Discharge current: can't surpass the biggest discharge current specified by battery specification.

· Discharge temperature:

The battery should be discharged within proper temperature range specified by specification.

· Over-discharge:

it should be noted that the battery would be at over-discharged state by its self-self-discharge characteristics in case the battery is not used for long time. To prevent over-discharge, the battery shall be charged periodically to maintain between 3.7V and 3.9V.

http://www.m-battery.com