Ladebrikken virker.

Because Norwegian usually writes compound nouns as a single word.

Here, ladebrikken is made from:

• lade- = charging / to charge
• brikke = chip, tag, small token
• -en = the definite ending

So Norwegian combines them into one word instead of writing something like charge tag as two separate words.

It makes the noun definite, like the in English.

• ladebrikke = a charging tag / chip
• ladebrikken = the charging tag / chip

Norwegian often puts the at the end of the noun instead of using a separate word before it.

Because in Norwegian, definiteness is usually shown by a suffix attached to the noun.

So instead of:

• English: the charging tag

you get:

• Norwegian: ladebrikken

That -en ending does the job of the.

Because virker is the present tense of å virke, which can mean:

• to work
• to function
• to seem / appear

In this sentence, the natural meaning is works or is working / functioning.

So Ladebrikken virker means that the charging tag is functioning properly.

Because -er is the normal present-tense ending for many Norwegian verbs.

• infinitive: å virke = to work / to function / to seem
• present: virker = works / is working / seems

So:

• Ladebrikken virker = The charging tag works

Yes. This is the basic Norwegian sentence pattern:

• subject + verb

So:

• Ladebrikken = subject
• virker = verb

This is a very normal, simple statement.

Yes. Å virke is a useful verb with more than one meaning.

Common meanings include:

• to work / function
• to seem / appear
• sometimes to have an effect

For example:

• Maskinen virker. = The machine works.
• Det virker rart. = It seems strange.

In Ladebrikken virker, context strongly suggests works / functions.

Possibly, yes, depending on style and dialect.

The noun brikke can often be treated as either masculine/common-gender or feminine in Bokmål, so you may see:

• ladebrikken
• ladebrikka

Both can be possible, but ladebrikken is the form used in your sentence and is very standard.

You would use the indefinite form:

• En ladebrikke virker.

Compare:

• En ladebrikke virker. = A charging tag works.
• Ladebrikken virker. = The charging tag works.

So the difference is whether you are talking about a charging tag in general or the specific one.

A helpful approximate pronunciation is:

• LAH-deh-brik-en

A few tips:

• lade has two syllables: la-de
• brikken has stress on brik
• the r is Norwegian, so it may sound different from English depending on dialect
• the final -en is usually light and unstressed

The main stress is typically on the first part of the compound.

Because virker already expresses the main idea: works / functions.

English often says:

• The charging tag is working

But Norwegian can simply say:

• Ladebrikken virker

So there is no need for a separate verb like is in this sentence.

It is a noun phrase packed into one word.

More specifically:

• brikke is the main noun
• lade- describes what kind of brikke it is
• -en marks it as definite

So grammatically, the whole word functions as the subject of the sentence.