58
battery tester
Worth a lookShows a $3.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible$3.5M$3.5M/yr · 1.6M searches
Avg price
Great$21.28avg listing price — sweet spot $15–$100
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Price range
Great$4.88–$75.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.3%return rate — above 5% kills the launch gate
Brand share
Good67%top-5 brand share — brands hold most of the demand
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,262.09avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.5%90-day search growth — must beat 0% to launch