group 31 battery box
Worth a lookShows sweet-spot pricing room ($16.38–$85.13), but a concentrated shelf (top 5 take 66% of clicks) keeps it on the watch list.
Price range
Incredible$16.38–$85.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$48.34avg listing price — sweet spot $15–$100
Growth
Good+44.4%90-day search growth — must beat 0% to launch
Review moat
Good1,182.18avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Returns
Okay3.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$174K$174K/yr · 80K searches
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
According to Flapen's Amazon United States niche tracking, group 31 battery box is a $174K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
group 31 battery box market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $193K–$242K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #104
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 65%
- Out of stock
- 10.7%
- Avg brand age
- 59 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
76
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
18%
- Camco47%
- attwood14%
- NOCO8%
- SUNAPEX5%
- Newport Vessels4%
- Moeller4%
Demand & seasonality
Weekly Amazon search volume, last 58 weeks — +44.4% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 2.0×
Top group 31 battery box search terms
- group 31 battery box64K/yr
- marine battery box group 315K/yr
- battery box group 316K/yr
- group 29 battery box4K/yr
Top group 31 battery box 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Camco Large Battery Box with Straps and Hardware - Group 27 30 31 |Safely Stores RV Automotive and Marine Batteries | Measures Inside 7-1/4 x 13-1/4 x 8-5/8 | (55373) Black
Camco$20.024.6★2,616 rev
Camco Large Battery Box with Straps and Hardware - Group 27 30 31 |Safely Stores RV Automotive and Marine Batteries | Measures Inside 7-1/4 x 13-1/4 x 8-5/8 | (55372)
Camco$18.684.6★2,616 rev
Attwood 9084-1 Large Vented Battery Box with Mounting Strap Fits Group 29 and 31 Series Batteries Black
attwood$24.324.5★601 rev
NOCO Snap-Top BG27 Battery Box Group 27 12V Battery Box for Marine Automotive RV Boat Camper and Travel Trailer Batteries
NOCO$16.384.7★949 rev
Camco Double Battery Box - Safely Stores RV Automotive and Marine Batteries - Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2 x 7-3/8 x 11-3/16 (55375)
Camco$34.794.6★3,411 rev
Newest
by launch date
VEVOR Battery Box Group 24-31 Trolling Motor Battery Box Marine Batteries Case with Lock Handles and Rubber-Grommet Cable Holes Stainless Steel Shell Suitable for Cars Boats & Trolling Motors
VEVOR$44.2362 rev
SUNAPEX Smart Battery Box 12V/24V Power Center - Multi Ports & Circuit Breaker for Trolling Motor Marine RV & Solar Panel (Pro Battery Not Included)
SUNAPEX$85.13169 rev
Trolling Motor Power Center Station Battery Box Fits Group 24/27/31 Size Batteries for Boats Marine RV Outdoor Multi-Function 12V/24V Marine Case w/ 50 AMP Connectors(Battery not Include)
GEARMEISTER$84.0061 rev
Battery Box Power Center with USB USB-C Voltage Display External Ports for Group 27 and 31 Batteries. Smart Battery Box for Marine Boat Trolling Motor Outdoor Camping RV
VMAXTANKS$56.1637 rev
SUNAPEX Smart Battery Box 12V/24V Power Center - Multi Ports & Circuit Breaker for Trolling Motor Marine RV & Solar Panel (No Battery)
SUNAPEX$62.86314 rev
Trending
90-day click momentum
Redodo Smart Battery Box Fits Group 31/27/24 Size Batteries RV/Marine Battery Box with Multi Ports Waterproof Built-in Volt-Meter for Trolling Motor Camping Solar Panel Boat
Redodo$80.354.4★
Attwood 9084-1 Large Vented Battery Box with Mounting Strap Fits Group 29 and 31 Series Batteries Black
attwood$24.324.5★
Camco Double Battery Box - Safely Stores RV Automotive and Marine Batteries - Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2 x 7-3/8 x 11-3/16 (55375)
Camco$34.794.6★
Camco Large Battery Box with Straps and Hardware - Group 27 30 31 |Safely Stores RV Automotive and Marine Batteries | Measures Inside 7-1/4 x 13-1/4 x 8-5/8 | (55372)
Camco$18.684.6★
Peastorm Lockable Car/RV/Marine Battery Box Adjustable Steel Battery Relocation Kit for Trailer Boat Trolling Motor Kayak (Group 24-31 Black)
peastorm$79.934.2★
What buyers say about group 31 battery box
What buyers praise and complain about, mined from review topics.What buyers love
“Powerful battery”
“Absolutely brilliant perfect box”
“Does what it says”
“Fits perfectly”
“Decent price”
“Easy to use”
“Simple design”
“Easy assembly”
“It has pretty much everything that even handles are much more comfortable to carry from both sides versus only one in the middle”
“Durable”
What buyers complain about
“Measurement of the box are smaller than the provided measurements by inches”
“strap sucked wouldn't tighten down”
“Extremely flimsy”
“Companys quality control is terrible”
“The meter worked for a couple days then failed”
“price a little high”
“this box is so thin”
“Cheap made, they mounted the brackets etc”
“Didn't work for me”
“now the battery indicator light doesnt work at all”
Top return reasons
Common questions
- Is group 31 battery box profitable to sell on Amazon United States?
- The niche generates $174K/yr across 17 tracked products. 90-day search growth is +44.4%. Flapen's verdict: Worth a look (51/100).
- How competitive is the group 31 battery box niche?
- 13 brands and 76 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in group 31 battery box?
- Top complaints mined from reviews: Size-Overall, Strap/String Quality, Strength. The return rate is 3.4%.
- When does demand for group 31 battery box peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 2.0× the quietest.
- What does it cost to enter the group 31 battery box niche?
- Listings span $16.38–$85.13; the average listing price is $48.34 (sweet spot $15–$100). The average incumbent carries 1,182 reviews — the moat a new listing must climb.