47
power bank
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$51.25avg listing price — sweet spot $15–$100
Price range
Good$18.13–$140.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good901.43avg incumbent reviews — the moat a new listing must climb
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+27.9%90-day search growth — must beat 0% to launch
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Market size
Bad$0$0/yr · 84K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale