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ac出力 モバイルバッテリー
Worth a lookShows a $8.9M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible¥8.9M¥8.9M/yr · 97K searches
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great478.03avg incumbent reviews — the moat a new listing must climb
Brand share
Good60%top-5 brand share — brands hold most of the demand
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Growth
Bad-4.9%90-day search growth — must beat 0% to launch
Conversion
Bad0.9%search→purchase rate — share of searches ending in a sale
Avg price
Bad¥9885.89avg listing price — sweet spot $15–$100
Price range
Bad¥3156.23–¥24576.77cheapest to priciest tracked listing — scored on the share inside $15–$100