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group 31 battery box

Skip it45/100

a small market ($174K/yr) — group 31 battery box doesn't clear our bar today.

Market/yr

$174K

Growth (1y)

+245.4%

Products

17

Brands

13

was 14 a year ago

Sellers

76

Price range

$16.38–$85.13

Returns

3.4%

Rating

4.5★

45/100

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Scored 45/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
9
×0.30
Growth
81
×0.30
Competition
36
×0.20
Quality gap
40
×0.10
Returns
72
×0.10

Demand

Weekly Amazon search volume, last 58 weeks — +245.4% year over year.
3K1KPrime Day '25Black Friday '25Spike '26Jun '25Aug '25Oct '25Dec '25Feb '26Apr '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Apr, May, Jun · busiest ÷ quietest = 2.0×

Competition

47%Camco
  • Camco47%
  • attwood14%
  • NOCO8%
  • SUNAPEX5%
  • Newport Vessels4%
  • Moeller4%
  • Other (7 brands)18%

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 76 sellers compete here.

Brands

13 falling

was 14 a year ago

Sellers

76

Top 5 brand share

78%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 17 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Battery Life18%

“Powerful battery”

Quality-Overall17%

“Absolutely brilliant perfect box”

Advertised Vs Actual Product11%

“Does what it says”

Size-Overall9%

“Fits perfectly”

Value For Money7%

“Decent price”

Ease Of Use5%

“Easy to use”

Design-Overall3%

“Simple design”

Assembly/Installation2%

“Easy assembly”

Portability2%

“It has pretty much everything that even handles are much more comfortable to carry from both sides versus only one in the middle”

Durability2%

“Durable”

What buyers complain about

Size-Overall10%

“Measurement of the box are smaller than the provided measurements by inches”

Strap/String Quality8%

“strap sucked wouldn't tighten down”

Strength8%

“Extremely flimsy”

Quality-Overall8%

“Companys quality control is terrible”

Durability6%

“The meter worked for a couple days then failed”

Value For Money5%

“price a little high”

Thickness5%

“this box is so thin”

Mounting5%

“Cheap made, they mounted the brackets etc”

Functionality-Overall4%

“Didn't work for me”

Battery Life4%

“now the battery indicator light doesnt work at all”

Top return reasons

  • Size-Overall70%
  • Advertised Vs Actual Product5%
  • Compatibility-Overall4%
  • Value For Money3%
  • Functionality-Overall3%
  • Strap/String Quality2%
  • Width2%
  • Defective Material/Parts2%
  • Quality-Overall1%
  • Water Resistance1%

Data scraped July 9, 2026 · Marketplace baseline: 4.4★ avg rating · $22.72 median price · 2.2% median returns across 14,813 tracked niches.