whoop 4.0 charger
Launch itA $1.9M/yr market growing +22.7% this quarter with returns at 3.7% — clears our launch bar.
Conversion
Incredible17.3%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$27.18avg listing price — sweet spot $15–$100
Price range
Incredible$15.24–$48.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.9M$1.9M/yr · 404K searches
Review moat
Great158.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Growth
Good+22.7%90-day search growth — must beat 0% to launch
Returns
Okay3.7%return rate — above 5% kills the launch gate
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, whoop 4.0 charger is a $1.9M/yr Amazon United States market (404K searches/yr). The top 5 brands hold 100% of demand. Verdict: Launch it — 59/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
whoop 4.0 charger market data
- Units sold / yr
- 50K–60K
- avg 10,000–12,500/product
- Revenue / yr
- $1.4M–$1.6M
- units × avg price
- Conversion rate
- 17.3%
- Avg BSR
- #5,956
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 60%
- Out of stock
- 20.0%
- Avg brand age
- 22 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 rising
Sellers
5
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- WHOOP84%
- Cwowhihui13%
- DADO3%
Top whoop 4.0 charger search terms
- whoop charger162K/yr
- whoop 4.0 charger42K/yr
- whoop 5.0 charger30K/yr
- whoop charger 5.025K/yr
- whoop charger 4.028K/yr
- whoop charger replacement 4.011K/yr
- whoop 4.0 battery15K/yr
- whoop battery18K/yr
- whoop mg charger7K/yr
- whoop 5 charger11K/yr
Top whoop 4.0 charger products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WHOOP 5.0/MG Basic Charger Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$28.864.2★348 rev
WHOOP Wireless PowerPack Compatible 5.0/MG One Peak Life Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$48.454.6★372 rev
Cwowhihui Charger Compatible with Whoop Battery Pack 4.0 Charger for Whoop 4.0 2-Port USB-C Charger Box for Charging and Stroage (Battery not Included) (4.0)
Cwowhihui$15.243.4★38 rev
Charger Compatible with Whoop Battery Pack 4.0 & 5.0(Battery NOT Included)
Cwowhihui$19.084.5★2 rev
Dado Wired Charger Compatible with Whoop 5.0/MG One Peak Life Durable & Waterproof Charger. Not Compatible with Whoop 4.0 (USB Type C)
DADO$24.263.6★33 rev
Newest
by launch dateDado Wired Charger Compatible with Whoop 5.0/MG One Peak Life Durable & Waterproof Charger. Not Compatible with Whoop 4.0 (USB Type C)
DADO$24.2633 rev
Charger Compatible with Whoop Battery Pack 4.0 & 5.0(Battery NOT Included)
Cwowhihui$19.082 rev
Cwowhihui Charger Compatible with Whoop Battery Pack 4.0 Charger for Whoop 4.0 2-Port USB-C Charger Box for Charging and Stroage (Battery not Included) (4.0)
Cwowhihui$15.2438 rev
WHOOP 5.0/MG Basic Charger Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$28.86348 rev
WHOOP Wireless PowerPack Compatible 5.0/MG One Peak Life Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$48.45372 rev
Trending
90-day click momentumDado Wired Charger Compatible with Whoop 5.0/MG One Peak Life Durable & Waterproof Charger. Not Compatible with Whoop 4.0 (USB Type C)
DADO$24.263.6★
Charger Compatible with Whoop Battery Pack 4.0 & 5.0(Battery NOT Included)
Cwowhihui$19.084.5★
WHOOP Wireless PowerPack Compatible 5.0/MG One Peak Life Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$48.454.6★
Cwowhihui Charger Compatible with Whoop Battery Pack 4.0 Charger for Whoop 4.0 2-Port USB-C Charger Box for Charging and Stroage (Battery not Included) (4.0)
Cwowhihui$15.243.4★
WHOOP 5.0/MG Basic Charger Portable Waterproof Charger. Not Compatible with WHOOP4.0
WHOOP$28.864.2★
What buyers say about whoop 4.0 charger
What buyers praise and complain about, mined from review topics.What buyers love
“Quick charge”
“Works as advertised”
“The battery life”
“Easy to use”
“Its also compact enough to keep in a travel bag or desk drawer as a backup”
“The build quality feels solid”
“Fits and works great”
“Works great”
“I had no compatibility issues”
“Fulfills its function”
What buyers complain about
“slow charging”
“Garbage”
“It is not portable”
“Didnt work”
“This item doesn't work”
“Does not remain attached”
“$50 is steep IMO for a battery charger that is required as a critical accessory to use the device”
“The batteries do not fit”
“I just think the claims are exaggerated”
“But what confuses me is the claims of it being waterproof or a high speed charger”
Top return reasons
Common questions
- Is whoop 4.0 charger profitable to sell on Amazon United States?
- The niche generates $1.9M/yr across 5 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +22.7%. Flapen's verdict: Launch it (59/100).
- How competitive is the whoop 4.0 charger niche?
- 3 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in whoop 4.0 charger?
- Top complaints mined from reviews: Charging, Quality-Overall, Portability. The return rate is 3.7%.
- What does it cost to enter the whoop 4.0 charger niche?
- Listings span $15.24–$48.45; the average listing price is $27.18 (sweet spot $15–$100). The average incumbent carries 159 reviews — the moat a new listing must climb.