Replace batteries in Philips Philishave 5890 and Philips Hair trimmer HQ-C280

Recently the batteries in my shaver (an old, but working, Philishave 5890) and hair trimmer (an old, but working, Philips HQ-C280) died. I looked around online for replacement batteries but didn’t find any specifications. I opened the devices but they didn’t tell what to use for replacements.… Fortsätt läsa