Best answer: What does SM mean in car battery?

1 Answer. , Former Auto Partsman. “Starting Marine.” A marine-rated battery with a high discharge rate designed to start a marine engine, as opposed to a true deep cycle with a low discharge rate designed to power electrical devices/appliances.

What do car battery model numbers mean?

Nearly all automotive batteries have two sets of consecutive numbers at the top of the battery. One row of numbers is meant to signify the last digit of the year the battery was purchased (such as “7” for 2007, or “9” for 2009). The other row is meant to signify the month of purchase.

What do the letters mean on a battery?

The letters on a battery give the size, in height and width, of the battery. AA means “50.5mm x 14.5mm.” The later the letter the larger the battery. “D” is larger than “C”, etc. “A” is larger than “AA” is larger than “AAA”.

What is din in car battery?

DIN stands forDeutschesInstitutfürNormung (German Industrial Standard). DIN batteries are suitable for Continental vehicles and selected Korean makes (E.g. Kia/Hyundai). • Maintenance-Free (MF) A Maintenance-Free (MF) battery is also known as a VRLA (valve-regulated lead-acid battery) or sealed battery.

Is a higher Ah battery better?

Ah hours are a rating of the amount of energy that a battery can store. Typically, the mAh rating is also a measure of the number of hours a battery may last. … The higher a battery’s amp hour rating is, the longer the battery’s run-time will be.

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How do I know what battery my car needs?

In order to find the right battery for your car, you’ll need to know the group size.

  1. Step 1: Check for the group size on your old battery. …
  2. Step 2: Check your owner’s manual for a group size. …
  3. Step 3: Search online for the group size. …
  4. Step 1: Look on your battery’s label. …
  5. Step 2: Check your manual. …
  6. Step 3: Check online.

What does S stand for on a battery?

This is the notation for the configuration of the battery. S means Series, P means Parallel. XsYp means X cells in series (to get the desired voltage) and Y cells in parallel (to get the desired capacity).

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