Køb Renata 389 urbatteri (High Drain) hos Batteribyen
Amazon.com: Duracell 389/390 Silver Oxide Button Battery, 1 Count Pack, 389/390 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household
Victorinox Swiss Army Knife Replacement Battery – Swiss Knife Shop