Use your device only with an original BL-5J rechargeable battery. Nokia may make additional battery models available for this device.
Charge your device with AC-20U charger. Charger plug type may vary.
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.
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.