--- title: "jbl partybox 320 battery — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/cell-phones-accessories/jbl-partybox-320-battery" last_updated: "2026-07-09T23:06:05.156Z" locale: en meta: description: "a small market ($57K/yr) — jbl partybox 320 battery doesn't clear our bar today." "og:description": "a small market ($57K/yr) — jbl partybox 320 battery doesn't clear our bar today." "og:title": "jbl partybox 320 battery — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen" --- Back to Flapen home # **jbl partybox 320 battery** **Skip it****45/100 ** a small market ($57K/yr) — jbl partybox 320 battery doesn't clear our bar today. **Market/yr** **$57K** **Growth (1y)** **+207.9%** **Products** **24** **Brands** **18** was 6 a year ago **Sellers** **29** **Price range** **$28.01–$94.68** **Returns** **2.4%** **Rating** **4.7★** **Skip it** Scored 45/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **3** ×0.30 Growth **78** ×0.30 Competition **51** ×0.20 Quality gap **25** ×0.10 Returns **81** ×0.10 ## **Demand** Weekly Amazon search volume, last 57 weeks — +207.9% year over year. 2K956.5Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26Jun '25Aug '25Oct '25Dec '25Feb '26Apr '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: May · busiest ÷ quietest = 1.6× ## **Competition** - JBL29% - E EGOWAY15% - Bayhon9% - CITYORK6% - Burflo5% - Palowextra4% - Other (12 brands)31% The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them. 18 brands and 29 sellers compete here. **Brands** **18 **▲rising was 6 a year ago **Sellers** **29** **Top 5 brand share** **65%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![JBL Battery 400 - an Easy-to-Replace Spare Battery Thats Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately)](https://m.media-amazon.com/images/I/21FggO4RU5L.jpg) [**JBL Battery 400 - an Easy-to-Replace Spare Battery Thats Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately)**](https://www.amazon.com/dp/B0D15VM9BT) JBL$94.684.8★10722%▼falling 2 ![Egoway 10000mAh Replacement Battery for PartyBox Stage 320 & Xtreme 4 Speaker - 7.4V 74Wh Rechargeable Battery Long-Lasting Power Fast Charge 1 Pack (Speaker Not Included)](https://m.media-amazon.com/images/I/212PfCa+wuL.jpg) [**Egoway 10000mAh Replacement Battery for PartyBox Stage 320 & Xtreme 4 Speaker - 7.4V 74Wh Rechargeable Battery Long-Lasting Power Fast Charge 1 Pack (Speaker Not Included)**](https://www.amazon.com/dp/B0DQ83M4XQ) E EGOWAY$34.494.4★3012%▲rising 3 ![Bayhon 10000mAh 7.4V 74Wh Rechargeable Lithium-ion Spare Battery Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker Perfect Replacement for Battery 400-(1 Pack)](https://m.media-amazon.com/images/I/41T-D5ZF10L.jpg) [**Bayhon 10000mAh 7.4V 74Wh Rechargeable Lithium-ion Spare Battery Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker Perfect Replacement for Battery 400-(1 Pack)**](https://www.amazon.com/dp/B0FWR6S19Y) Bayhon$37.854.8★358%▲rising 4 ![JBL Battery 200 - an Easy-to-Replace Spare Battery Thats Compatible with The PartyBox Club 120 (Speaker Sold Separately)](https://m.media-amazon.com/images/I/21qvb38Rv3L.jpg) [**JBL Battery 200 - an Easy-to-Replace Spare Battery Thats Compatible with The PartyBox Club 120 (Speaker Sold Separately)**](https://www.amazon.com/dp/B0D15JV9GD) JBL$70.904.6★1437%▼falling 5 ![CITYORK 12000mAh Replacement Battery for PartyBox Stage 320 and Xtreme 4 Portable Speaker Easy-to-Replace Spare Battery 400 with USB-C Port (1 Pack)](https://m.media-amazon.com/images/I/41AmUSPqDVL.jpg) [**CITYORK 12000mAh Replacement Battery for PartyBox Stage 320 and Xtreme 4 Portable Speaker Easy-to-Replace Spare Battery 400 with USB-C Port (1 Pack)**](https://www.amazon.com/dp/B0DRC1S35T) CITYORK$39.734.7★446%▼falling 6 ![2-Pack 10000mAh Rechargeable Battery for JBL Battery 400 Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker](https://m.media-amazon.com/images/I/41mCNgssAqL.jpg) [**2-Pack 10000mAh Rechargeable Battery for JBL Battery 400 Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker**](https://www.amazon.com/dp/B0FCXTYKC3) Burflo$61.174.8★154%▲rising 7 ![JIIKER Battery Replacment for JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker Compatible with JBL Battery 400](https://m.media-amazon.com/images/I/31qmsCg6D5L.jpg) [**JIIKER Battery Replacment for JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker Compatible with JBL Battery 400**](https://www.amazon.com/dp/B0FPXCKVB3) JIIKER$49.595.0★14%▲rising 8 ![Fancy Buying 6000mAh Rechargeable Battery Pack Compatible with JBL PartyBox Club 120 and JBL Battery 200 Portable Speaker Perfect Replacement for JBL Party Box Club 120 Spare Battery](https://m.media-amazon.com/images/I/41zLgoyDZsL.jpg) [**Fancy Buying 6000mAh Rechargeable Battery Pack Compatible with JBL PartyBox Club 120 and JBL Battery 200 Portable Speaker Perfect Replacement for JBL Party Box Club 120 Spare Battery**](https://www.amazon.com/dp/B0FSZXMP12) Fancy Buying$36.185.0★83%▲rising 9 ![GOROFO Replacement Lithium-ion Battery for JBL Battery 400 Compatible with JBL PartyBox Stage 320 & Xtreme 4 Wireless Bluetooth Portable Speaker Only](https://m.media-amazon.com/images/I/41dvGfVAVQL.jpg) [**GOROFO Replacement Lithium-ion Battery for JBL Battery 400 Compatible with JBL PartyBox Stage 320 & Xtreme 4 Wireless Bluetooth Portable Speaker Only**](https://www.amazon.com/dp/B0FH9D9817) GOROFO$28.894.2★143%▲rising 10 ![Palowextra Upgraded 12000mAh Replacement Battery Compatible with JBL PartyBox Stage 320 & Xtreme 4 Replacement for Battery 400](https://m.media-amazon.com/images/I/41P-3Jyqz5L.jpg) [**Palowextra Upgraded 12000mAh Replacement Battery Compatible with JBL PartyBox Stage 320 & Xtreme 4 Replacement for Battery 400**](https://www.amazon.com/dp/B0FCFXS2G6) Palowextra$37.554.7★63%▲rising 11 ![DFTIM 10000mAh Rechargeable Battery Compatible with JBL PartyBox Stage 320 Model and Xtreme 4 Portable Speaker Replacement for PartyBox 400 Battery Upgrade Capacity 7.4V 74Wh (1 Pack)](https://m.media-amazon.com/images/I/41OUUjfR4KL.jpg) [**DFTIM 10000mAh Rechargeable Battery Compatible with JBL PartyBox Stage 320 Model and Xtreme 4 Portable Speaker Replacement for PartyBox 400 Battery Upgrade Capacity 7.4V 74Wh (1 Pack)**](https://www.amazon.com/dp/B0F89WJX3F) DFTIM$28.293.9★133%▲rising 12 ![ASUNCELL Replacement Battery for PartyBox Stage 320 & Xtreme 4 Portable Speaker 13500mAh 7.4V 74Wh Rechargeable Spare MP3 Battery](https://m.media-amazon.com/images/I/41pPp460QOL.jpg) [**ASUNCELL Replacement Battery for PartyBox Stage 320 & Xtreme 4 Portable Speaker 13500mAh 7.4V 74Wh Rechargeable Spare MP3 Battery**](https://www.amazon.com/dp/B0FCFMYNG2) ASUNCELL$41.735.0★83%▲rising 13 ![oliadeo 2Pack for JBL 320 Battery Pack Replacement: Partybox 320 Battery for JBL Battery 400 Party Box Stage 320 Xtreme 4 Lithium Batteries](https://m.media-amazon.com/images/I/41vlhkB4bQL.jpg) [**oliadeo 2Pack for JBL 320 Battery Pack Replacement: Partybox 320 Battery for JBL Battery 400 Party Box Stage 320 Xtreme 4 Lithium Batteries**](https://www.amazon.com/dp/B0FWJS85CN) oliadeo$56.123.2★43%▲rising 14 ![Party Box Stage 320 Replaceable Battery Pack Compatible with J-B-L PartyBox Stage 320 Portable Speaker Series J-B-L Xtreme 4 Portable Speaker Series Replacement for J-B-L 400 Battery 68Wh 9444mAh](https://m.media-amazon.com/images/I/31HsMr98vOL.jpg) [**Party Box Stage 320 Replaceable Battery Pack Compatible with J-B-L PartyBox Stage 320 Portable Speaker Series J-B-L Xtreme 4 Portable Speaker Series Replacement for J-B-L 400 Battery 68Wh 9444mAh**](https://www.amazon.com/dp/B0FFML61KH) ZTHY$37.915.0★133%▲rising 15 ![Egoway 5000mAh Rechargeable Battery Pack Compatible with PartyBox Club 120 Portable Speaker](https://m.media-amazon.com/images/I/31TkckZuqwL.jpg) [**Egoway 5000mAh Rechargeable Battery Pack Compatible with PartyBox Club 120 Portable Speaker**](https://www.amazon.com/dp/B0FBGJTDYR) E EGOWAY$31.985.0★142%▲rising **~~Showing 15 of 24 — show all ~~** ## **Product shelf** All 24 tracked products in this niche. Top sellersNewestTrending [![JBL Battery 400 - an Easy-to-Replace Spare Battery Thats Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately)](https://m.media-amazon.com/images/I/21FggO4RU5L.jpg)**JBL Battery 400 - an Easy-to-Replace Spare Battery Thats Compatible with The JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker (Speaker Sold Separately)** JBL**$94.68**4.8★107 reviews](https://www.amazon.com/dp/B0D15VM9BT) [![Egoway 10000mAh Replacement Battery for PartyBox Stage 320 & Xtreme 4 Speaker - 7.4V 74Wh Rechargeable Battery Long-Lasting Power Fast Charge 1 Pack (Speaker Not Included)](https://m.media-amazon.com/images/I/212PfCa+wuL.jpg)**Egoway 10000mAh Replacement Battery for PartyBox Stage 320 & Xtreme 4 Speaker - 7.4V 74Wh Rechargeable Battery Long-Lasting Power Fast Charge 1 Pack (Speaker Not Included)** E EGOWAY**$34.49**4.4★30 reviews](https://www.amazon.com/dp/B0DQ83M4XQ) [![Bayhon 10000mAh 7.4V 74Wh Rechargeable Lithium-ion Spare Battery Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker Perfect Replacement for Battery 400-(1 Pack)](https://m.media-amazon.com/images/I/41T-D5ZF10L.jpg)**Bayhon 10000mAh 7.4V 74Wh Rechargeable Lithium-ion Spare Battery Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker Perfect Replacement for Battery 400-(1 Pack)** Bayhon**$37.85**4.8★35 reviews](https://www.amazon.com/dp/B0FWR6S19Y) [![JBL Battery 200 - an Easy-to-Replace Spare Battery Thats Compatible with The PartyBox Club 120 (Speaker Sold Separately)](https://m.media-amazon.com/images/I/21qvb38Rv3L.jpg)**JBL Battery 200 - an Easy-to-Replace Spare Battery Thats Compatible with The PartyBox Club 120 (Speaker Sold Separately)** JBL**$70.90**4.6★143 reviews](https://www.amazon.com/dp/B0D15JV9GD) [![CITYORK 12000mAh Replacement Battery for PartyBox Stage 320 and Xtreme 4 Portable Speaker Easy-to-Replace Spare Battery 400 with USB-C Port (1 Pack)](https://m.media-amazon.com/images/I/41AmUSPqDVL.jpg)**CITYORK 12000mAh Replacement Battery for PartyBox Stage 320 and Xtreme 4 Portable Speaker Easy-to-Replace Spare Battery 400 with USB-C Port (1 Pack)** CITYORK**$39.73**4.7★44 reviews](https://www.amazon.com/dp/B0DRC1S35T) [![2-Pack 10000mAh Rechargeable Battery for JBL Battery 400 Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker](https://m.media-amazon.com/images/I/41mCNgssAqL.jpg)**2-Pack 10000mAh Rechargeable Battery for JBL Battery 400 Compatible with PartyBox Stage 320 and Xtreme 4 Portable Speaker** Burflo**$61.17**4.8★15 reviews](https://www.amazon.com/dp/B0FCXTYKC3) [![JIIKER Battery Replacment for JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker Compatible with JBL Battery 400](https://m.media-amazon.com/images/I/31qmsCg6D5L.jpg)**JIIKER Battery Replacment for JBL PartyBox Stage 320 and Xtreme 4 Portable Speaker Compatible with JBL Battery 400** JIIKER**$49.59**5.0★1 reviews](https://www.amazon.com/dp/B0FPXCKVB3) [![Fancy Buying 6000mAh Rechargeable Battery Pack Compatible with JBL PartyBox Club 120 and JBL Battery 200 Portable Speaker Perfect Replacement for JBL Party Box Club 120 Spare Battery](https://m.media-amazon.com/images/I/41zLgoyDZsL.jpg)**Fancy Buying 6000mAh Rechargeable Battery Pack Compatible with JBL PartyBox Club 120 and JBL Battery 200 Portable Speaker Perfect Replacement for JBL Party Box Club 120 Spare Battery** Fancy Buying**$36.18**5.0★8 reviews](https://www.amazon.com/dp/B0FSZXMP12) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Battery Life**29% *“Good battery”* **Charging**18% *“Charges Well”* **Quality-Overall**9% *“The build quality is impressive”* **Value For Money**9% *“It is worth the price”* **Size-Overall**8% *“Nice fitting battery”* **Advertised Vs Actual Product**7% *“The seller described this item accurately”* **Assembly/Installation**4% *“Easy to install”* **Portability**3% *“It gives us the freedom to take our PartyBox to friends houses, outdoor gatherings, and other outings without constantly worrying about finding an outlet — and thats a huge plus”* **Audio Quality**3% *“you probably love the sound”* **Durability**2% *“I was also impressed with the build quality—it feels durable and well-made”* ### **What buyers complain about ** **Size-Overall**29% *“Didnt fit my xtreme 4”* **Charging**14% *“i could not get this to take a charge”* **Quality-Overall**14% *“Trash”* **Compatibility-Overall**11% *“Not compatible”* **Connectivity-Overall**8% *“immediately shut off even when fully charged”* **Battery Life**3% *“was expecting a good battery or a battery that would work”* **Weight Heavy**2% *“The only reason Im giving it 4 stars instead of 5 is that its a bit on the heavier side”* #### **Top return reasons**- Charging21% - Speaker17% - Advertised Vs Actual Product12% - Size-Overall12% - Functionality-Overall10% - Battery Life9% - Compatibility-Overall8% - Value For Money3% - Product Condition1% - Ease Of Use1%