Which models are affected by the product warning?
The product warning relates to lithium-ion batteries fitted in models of the Gigaset SL910 series supplied by a sub-contractor.
The particular batteries concerned (component number V30145-K1310-X447) date from the manufacturing period up to and including calendar week 38 of 2011.
They are identifiable by the production date printed on them (e.g. “DATE: HY3811“) which is in black lettering on a white background.
The first two digits after “HY” denote the calendar week as the date of production.
The next two digits denote the calendar year. Batteries with a production date up to and including “DATE: HY3811”, i.e. calendar week 38 of 2011, are affected.
Batteries with a production date "DATE: HY3911" and later are in perfect working order.