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battery current sensor
Skip itA small market ($38K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible43.6avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$32.69avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Great58%top-5 brand share — no brand owns this niche
Price range
Good$6.08–$129.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-5.3%90-day search growth — must beat 0% to launch
Returns
Bad6.0%return rate — above 5% kills the launch gate
Market size
Bad$38K$38K/yr · 55K searches