This could cause a short when coupled with increased internal pressure as the battery deteriorated, leading to ignition.Īt the same time, however, although extremely rare, there have been cases of ignition occurring in battery packs outside those covered by the returns and exchanges. These returns and exchanges were due to the possibility that foreign matter had contaminated the interior of the battery during the battery pack manufacturing process. On three previous occasions, Fujitsu has asked customers to exchange and return battery packs.

Fujitsu would like to inform you that it will now be distributing this update to all relevant laptop PCs via Microsoft’s Windows Update service. This update regulates charging voltage according to the deterioration of the battery to prevent any battery ignition incidents. Since February 9, 2017, Fujitsu has been offering a 'Battery Charging Control Update Tool' through its website for its laptop PCs launched between 20, in order to enable customers to more safely use their laptop PCs. Thank you for your continued patronage of Fujitsu and its products. Request for Customers to Apply 'Battery Charging Control Update Tool' to Fujitsu-made Laptop PCs (Updated November 13, 2018) NOTE: this is an archived page and the content is likely to be out of date.

Desktop mode battery charge