Silvercrest STK 36V2 A1 Montage-, Bedienungs- Und Sicherheitshinweise Seite 19

The warranty applies to defects in material or manufacture. This warranty
does not cover product parts subject to normal wear, thus possibly con-
sidered consumables (e.g. batteries) or for damage to fragile parts, e.g.
switches, rechargeable batteries or glass parts.
GB/IE/NI 19