Battery and charger info
Use your device only with an original BP-4W rechargeable battery. Nokia may make additional battery models available for this
device.
Charge your device with AC-50U charger.
Third-party chargers that comply with the IEC/EN 62684 standard, and that can connect to your device micro USB connector,
may also be compatible.
The battery can be charged and discharged hundreds of times, but it will eventually wear out. When the talk and standby times
are noticeably shorter than normal, replace the battery.
Only replace the battery with a battery that is compliant with the IEEE-std-1725 standard.
Only use the battery with a charging system that has been qualified with the system per CTIA Certification Requirements for
Battery System Compliance to IEEE 1725.
The phone shall only be connected to CTIA certified adapters, products that bear the USB-IF logo, or products that have
completed the USB-IF compliance program.