51
18650 battery holder
Worth a lookShows a thin review moat (270 avg reviews), but soft demand (-15.7% this quarter) keeps it on the watch list.
Review moat
Great269.53avg incumbent reviews — the moat a new listing must climb
Returns
Great1.6%return rate — above 5% kills the launch gate
Brand share
Great55%top-5 brand share — no brand owns this niche
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$9.23avg listing price — sweet spot $15–$100
Price range
Okay$5.95–$18.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$73K$73K/yr · 142K searches
Growth
Bad-15.7%90-day search growth — must beat 0% to launch