German Phrase
Wechsle die Batterien einmal im Jahr.
Meaning
This phrase is a direct instruction or piece of advice regarding the maintenance of battery-operated devices. It uses the informal imperative form of the verb 'wechseln', making it suitable for friends, family, or general instructional tips.
When to use
Use this phrase when giving a reminder or safety instruction, such as for smoke detectors, remote controls, or wall clocks. It is perfect for household checklists or maintenance guides.
✦Grammar Breakdown
WechsledieBatterieneinmalimJahr
Imperative Form
'Wechsle' is the informal singular imperative of 'wechseln'. The ending '-e' is often omitted in spoken German ('wechsel').
Temporal Adverbs
'Einmal' means 'once'. Combined with 'im Jahr', it creates a frequency expression meaning 'once a year'.
🗨In Conversation
Warum funktioniert die Fernbedienung nicht?
Why isn't the remote control working?
Vielleicht sind sie leer. Wechsle die Batterien einmal im Jahr.
Maybe they are empty. Change the batteries once a year.
✕Common Mistakes
Wechseln die Batterien einmal im Jahr.
For the informal singular imperative, use 'wechsle' or 'wechsel' instead of the infinitive form.
Wechsle die Batterien einmal in Jahr.
The correct prepositional phrase for 'in the year' is 'im Jahr' (a contraction of 'in dem').
↔Alternatives
Tauschen Sie die Batterien jährlich aus.
Replace the batteries annually (formal).
Man sollte die Batterien einmal pro Jahr wechseln.
One should change the batteries once per year.
Cultural Tip
Germany has strict regulations regarding battery disposal (BattG). You should never throw old batteries in the regular household waste; instead, look for 'Batteriesammelstellen' (green collection boxes) in supermarkets and drugstores.

