The most common and most likely answer to this crossword clue is the 4 letter word AMPS
I've seen this crossword clue in The Daily Telegraph
A
M
P
S
More clues leading to the result AMPS
- Current measures start to annoy politicians
- Where soldiers my be caught leaving special units
- When a politician gets involved in current measures……
- Word understood by an electrician – or [a word understood by] a chemist
- A politician’s current measures
- A chemist using current measures
- Current assertion of private secretary status
- A parliamentarian’s creating measures in power
- Electrical units installed in campsite
- A note about millions needed for rock band’s requirements?
Buddy explains!

The straight part
We know that "power" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case power = amps.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does AMPS mean?
AMPS noun- Short for ampere.
- Short for amplifier.
- Short for ampoule.
- Short for amputee.
- Short for ampicillin.
- (usually with up) To amplify.
- (usually with up) To excite.
- (usually with up) To intensify or increase.