Nokia-branded BL-5C batteryNokia has announced a product advisory for the Nokia-branded BL-5C battery manufactured by Matsushita Battery Industrial Co. Ltd. of Japan between December 2005 and November 2006. This product advisory does not apply to any other Nokia battery.

Nokia has identified that in very rare cases the affected batteries could potentially experience over heating initiated by a short circuit while charging, causing the battery to dislodge. Nokia is working closely with relevant local authorities to investigate this situation and has announced a free battery replacement program for affected units.