battery post shims
Skip it51/100a small market ($91K/yr) — battery post shims doesn't clear our bar today.
Market/yr
$91K
Growth (1y)
+288.3%
Products
21
Brands
19
was 19 a year ago
Sellers
25
Price range
$3.54–$9.95
Returns
3.3%
Rating
3.9★
Skip it
Scored 51/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +288.3% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Jan, Feb · busiest ÷ quietest = 1.6×
Competition
- BESULEN16%
- eMagTech16%
- smilfuy15%
- QWORK10%
- AQEENURA7%
- Ampper7%
- Other (13 brands)30%
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them. 19 brands and 25 sellers compete here.
Brands
19 flat
was 19 a year ago
Sellers
25
Top 5 brand share
63%
Product shelf
All 21 tracked products in this niche.

eMagTech 4pcs Car Battery Terminals Shims Clamps Posts Spacer Shims for in-car Audio Video Connectors Silver
eMagTech
$9.034.5★57 reviews

BESULEN 10PCS Car Battery Post Terminal Shims Auto Lead Terminal Shim Caps with 12 Piece Washers for Top Post Battery Post Ends Repair Universal for Vehicles SUV Truck RV Boat
BESULEN
$7.944.4★305 reviews

smilfuy 1 Pair Battery Post Shims Pure Lead Anode Cathode Sleeves
smilfuy
$4.833.6★324 reviews

QWORK Battery Post Shims Cap 4 Pack Terminal Cable End for Positive or Negative Post
QWORK
$7.294.1★188 reviews

Universal 10PCS Car Battery Post Terminal Shims Kit with Washers - Silver Color Terminal End Repair Accessories
AQEENURA
$7.694.0★60 reviews

2 Sets Battery Post Shim Set With 14 Washers - Lead Terminal Shim Caps for Car Battery Repair - Fits Top Post Battery Ends
Quadafy
$6.083.4★36 reviews

Icyhaws 2 Pair Battery Adaptor Sleeves Car Battery Terminal Shim Universal Car Accessories Positive & Negative Post Battery Terminal Adapter Battery Terminal Adapter Positive Post Shim Lead
Icyhaws
$5.923.8★122 reviews

Ampper Battery Terminal Cleaning & Repair Kit Battery Terminal Cleaning Kit with 5 Shims 2 Brushes and 12 Piece Washers
Ampper
$9.784.5★72 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The quality of the soft lead construction is excellent”
“Good price”
“I can give your battery extra life”
“Fit ok”
“As advertised”
“it works great”
“Fairly easy”
“Easy install”
“maximum-contact connection”
“It's always good to have this since it prevents corrosion”
What buyers complain about
“Does not fit”
“Would have been better if it were thinner”
“You cannot connect once the covers are on the post”
“would break if I tried too”
“Didn't work for me”
“Cheap”
“Could not use at all”
“WASTE OF TIME AND MONEY”
“Needs better grip surface”
“Waste of money”
Top return reasons
- Size-Overall65%
- Advertised Vs Actual Product8%
- Thickness4%
- Compatibility-Overall4%
- Functionality-Overall4%
- Defective Material/Parts4%
- Quality-Overall2%
- Value For Money2%
- Material Quality1%
- Assembly/Installation1%






