Car Batteries & Jump Starters: warranties compared

12 brands. We read every warranty so you don't have to. Checked through October 2026.

The short version

7 of 12 brands cover car batteries & jump starters in full for one year or less. The longest full coverage is 5 years, from Milwaukee. 4 brands keep some parts covered after full coverage ends.

Every brand, side by side

Full coverage: everything, parts and laborPartial coverage: some parts only, you usually pay labor
Sort by
#BrandWarranty ScoreFull and partial coveragePurchase5 yrs10 yrs+
1Milwaukee65 / 100Full: 5 yearsNo partial coverage
2Interstate Batteries54 / 100Full: 4 yearsNo partial coverage
3DeWalt43 / 100Full: 3 yearsNo partial coverage
4Optima43 / 100Full: 3 yearsNo partial coverage
5Ryobi43 / 100Full: 3 yearsNo partial coverage
6Schumacher21 / 100Full: 1 yearNo partial coverage
7KobaltCheck your model's manualUnverified18 / 100Full: NonePartial: to 3 yearsPartial covers: Whole product
8Black+DeckerVaries by model lineCheck your model's manual13 / 100Full: NonePartial: to 1 yearPartial covers: Whole product
9FortemUnverified13 / 100Full: NonePartial: to 1 yearPartial covers: Whole product
10AstroAI10 / 100Full: NonePartial: to 2 yearsPartial covers: Whole product; Registration extension
11DieHard10 / 100Full: NoneNo partial coverage
12Kirkland Signature10 / 100Full: NoneNo partial coverage

From each maker's published warranty. “Unverified” means we couldn't confirm the terms on the maker's own site. How we rate warranties

The fine print, decoded

What these warranties often leave out

  • Missing parts4 of 12 brands
  • Normal wear and tear4 of 12 brands
  • Accidental breaks and misuse2 of 12 brands
  • Batteries2 of 12 brands
Where you buy it matters

How long stores give you to return it

Longest return window first, for car batteries & jump starters.

  1. CostcoMost itemsNo fixed deadline
  2. Sam's ClubMost itemsNo fixed deadline
  3. BJ's Wholesale ClubMost items365 days
  4. Harbor FreightMost items90 days
  5. WalmartMost items90 days
  6. Blain's Farm & FleetUpper Midwest storesMost items90 days
Show all 18 stores
  1. Theisen's Home Farm AutoUpper Midwest storesMost items90 days
  2. Family Farm & HomeGreat Lakes storesMost items60 days
  3. Les Schwab Tire CentersWest storesMost items60 days
  4. Advance Auto PartsMost items45 days
  5. Nordstrom RackCar seats40 days
  6. Bloomingdale'sBaby gear (strollers, car seats, cribs, high chairs)30 days from delivery
  7. Mavis Tires & BrakesMost items30 days
  8. NAPA Auto PartsMost items30 days from delivery
  9. Tractor SupplyMost items30 days
  10. Batteries PlusMost items14 days
  11. O'Reilly Auto PartsCar batteriesNo returns
  12. Rural KingMidwest storesLivestock, trailers, golf carts, opened chemicals and consumablesNo returns

From each store's published return policy, using its rule for car batteries & jump starters where it has one. Member and holiday extensions aren't counted. Check yours before you buy.

More Other warranties

Questions shoppers ask

Which brand of car batteries & jump starters has the best warranty?

On paper, Milwaukee scores highest, with 5 years of full coverage.

Is a long warranty on car batteries & jump starters really that long?

Often not for the whole product. Many longer warranties cover only certain parts after the first year or two, and you usually pay for the labor. The bars above show full and partial coverage separately.

Do I need to register to get the warranty?

1 of 12 brands require registration for some of their coverage, often within a set number of days. Keep your receipt either way.

Already bought one?

Forward the receipt and I-BUY.AI tracks the return window and warranty for you.

Track it free