Batteries affected by this program were shipped with specific HP Products sold worldwide from December 2015 through December 2017.
They were also sold as accessories or provided as replacements through HP or an authorized HP Service Provider.
Products potentially affected:
HP Probook 64x (G2 and G3)
HP ProBook 65x (G2 and G3)
HP x360 310 G2
HP ENVY m6
HP Pavilion x360
HP 11 notebook computers
HP ZBook (17 G3, 17 G4, and Studio G3) mobile workstations
HP state that:
Many of these batteries are internal to the system, which means they are not customer replaceable. HP is providing battery replacement services by an authorized technician at no cost. HP is also providing a BIOS update that places the battery in "Battery Safety Mode" so that the notebook or workstation can be safely used without the battery by connecting to an HP power adaptor. Batteries affected by this recall should immediately be put into "Battery Safety Mode".
Please see this HP webpage for more information and next steps: