42
5v battery
Skip itA small market ($38K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Good$14.10avg listing price — sweet spot $15–$100
Price range
Good$6.39–$31.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good69%top-5 brand share — brands hold most of the demand
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-12.5%90-day search growth — must beat 0% to launch
Review moat
Bad27,637.46avg incumbent reviews — the moat a new listing must climb
Market size
Bad$38K$38K/yr · 114K searches
Signals Low Review Barrier