---
title: "Anker 521 Portable Power Station — $68K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/anker-521-portable-power-station"
last_updated: "2026-08-09T12:17:37.923Z"
locale: en
meta:
description: "Niche score 18/100 · $68K/yr market · 15K searches/yr · $188.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 18/100 · $68K/yr market · 15K searches/yr · $188.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Anker 521 Portable Power Station — $68K/yr Amazon US Niche (2026) - Flapen"
---
# **anker 521 portable power station**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 17Growth 20Conversion 31Competition 0Returns 25Price range 0Avg price 48Brand share 0Review moat 24Quality gap 37
**Avg price**
**Okay****$188.53**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****5.0%**
return rate — above 5% kills the launch gate
**Review moat**
**Bad****5,333.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-10.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$68K**
$68K/yr · 15K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$158.40–$227.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, anker 521 portable power station is a $68K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 18/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **anker 521 portable power station market data**
- **Units sold / yr**
- **250–500**
- avg 100–250/product
- **Revenue / yr**
- **$47K–$94K**
- units × avg price
- **Conversion rate**
- **2.5%**
- **Avg BSR**
- **#27**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **204 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **▲rising
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Anker95% - Jackery5%
## **Demand & seasonality**
Weekly Amazon search volume, last 87 weeks — -10.3% search growth over the last 90 days.
900700Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Nov · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/anker-521-portable-power-station/trend)
## **Top anker 521 portable power station 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.
0%25%$17K50%$34K75%$51K100%$68K1K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 3 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Anker 521 Portable Power Station Upgraded with LiFePO4 Battery 256Wh 6-Port PowerHouse 300W (Peak 600W) Solar Generator (Solar Panel Optional) 2 AC Outlets 60W USB-C PD Output Outdoor Generator**Anker**$158.40**4.4★3,112 rev](https://www.amazon.com/dp/B09FF46FQ9) [2**Anker Portable Power Station SOLIX C300 288Wh LiFePO4 Backup Battery 300W Solar Generator 140W Two-Way Fast Charging for Camping Hunting Travel Blackout & Emergencies (Solar Panel Optional)**Anker**$227.13**4.6★1,797 rev](https://www.amazon.com/dp/B0D62GMQ3F) [3**Jackery Portable Power Station Explorer 300 292Wh Backup LiFePO4 Battery Solar Generator for Outdoors Camping Travel Hunting Blackout (Solar Panel Optional)**Jackery**$180.07**4.6★11,091 rev](https://www.amazon.com/dp/B082TMBYR6)
### **Newest**
by launch date
[**Anker Portable Power Station SOLIX C300 288Wh LiFePO4 Backup Battery 300W Solar Generator 140W Two-Way Fast Charging for Camping Hunting Travel Blackout & Emergencies (Solar Panel Optional)**Anker**$227.13**1,797 rev1y ago](https://www.amazon.com/dp/B0D62GMQ3F) [**Anker 521 Portable Power Station Upgraded with LiFePO4 Battery 256Wh 6-Port PowerHouse 300W (Peak 600W) Solar Generator (Solar Panel Optional) 2 AC Outlets 60W USB-C PD Output Outdoor Generator**Anker**$158.40**3,112 rev4y ago](https://www.amazon.com/dp/B09FF46FQ9) [**Jackery Portable Power Station Explorer 300 292Wh Backup LiFePO4 Battery Solar Generator for Outdoors Camping Travel Hunting Blackout (Solar Panel Optional)**Jackery**$180.07**11,091 rev6y ago](https://www.amazon.com/dp/B082TMBYR6)
### **Trending**
90-day click momentum
[**Anker Portable Power Station SOLIX C300 288Wh LiFePO4 Backup Battery 300W Solar Generator 140W Two-Way Fast Charging for Camping Hunting Travel Blackout & Emergencies (Solar Panel Optional)**Anker**$227.13**4.6★**▲ 27%**](https://www.amazon.com/dp/B0D62GMQ3F) [**Anker 521 Portable Power Station Upgraded with LiFePO4 Battery 256Wh 6-Port PowerHouse 300W (Peak 600W) Solar Generator (Solar Panel Optional) 2 AC Outlets 60W USB-C PD Output Outdoor Generator**Anker**$158.40**4.4★**— 1%**](https://www.amazon.com/dp/B09FF46FQ9) [**Jackery Portable Power Station Explorer 300 292Wh Backup LiFePO4 Battery Solar Generator for Outdoors Camping Travel Hunting Blackout (Solar Panel Optional)**Jackery**$180.07**4.6★**— 8%**](https://www.amazon.com/dp/B082TMBYR6)
## **What buyers say about anker 521 portable power station**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Charging**25%
*“holds charge well”*
**Quality-Overall**13%
*“Good quality”*
**Portability**8%
*“portable and practical”*
**Value For Money**7%
*“Worth the money”*
**Battery Life**6%
*“long battery life”*
**Ease Of Use**6%
*“It really comes in handy”*
**Strength**4%
*“Seems sturdy”*
**Weight Light**4%
*“Not too heavy”*
**Advertised Vs Actual Product**3%
*“Product as advertised”*
**Durability**2%
*“Very durable”*
### **What buyers complain about **
**Charging**27%
*“slow charging”*
**Durability**10%
*“Easy to broken”*
**Size-Overall**6%
*“Power Cord Does Not Fit”*
**Functionality-Overall**6%
*“Dont work”*
**Value For Money**5%
*“Not worth the price”*
**Battery Life**4%
*“The battery life is somewhat unsure though”*
**Quality-Overall**4%
*“Poor manufacturing quality”*
**Heating**4%
*“It cant power anything with a heating element”*
**Advertised Vs Actual Product**3%
*“Dirty power, dirty marketing dont purchase”*
**Strength**2%
*“Not strong enough to power a modem or coffee maker”*
### **Top return reasons **
**Charging**27%
**Size-Overall**12%
**Value For Money**12%
**Battery Life**9%
**Functionality-Overall**9%
**Advertised Vs Actual Product**7%
**Durability**4%
**Defective Material/Parts**3%
**Strength**3%
**Weight Heavy**3%
## **Common questions**
- **Is anker 521 portable power station profitable to sell on Amazon United States?**
- The niche generates $68K/yr across 3 tracked products. 90-day search growth is -10.3%. Flapen's verdict: Skip it (18/100).
- **How competitive is the anker 521 portable power station niche?**
- 2 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in anker 521 portable power station?**
- Top complaints mined from reviews: Charging, Durability, Size-Overall. The return rate is 5.0%.
- **When does demand for anker 521 portable power station peak?**
- Demand peaks in Jan–Nov; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the anker 521 portable power station niche?**
- Listings span $158.40–$227.13; the average listing price is $188.53 (sweet spot $15–$100). The average incumbent carries 5,333 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)