Group 27 Starting Marine Battery, 840 Cold Cranking Amps, 1,050 Marine Cranking Amps, 182 Reserve Minutes

Model # 15020126 Mfg # WM27M6
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Group 27 Starting Marine Battery, 840 Cold Cranking Amps, 1,050 Marine Cranking Amps, 182 Reserve Minutes
Model # 15020126 Mfg # WM27M6
5 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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Built specifically for the marine environment rather than adapted from an automotive battery, this Group 27 starting battery is designed to withstand the vibration, heeling, and moisture that shorten the life of standard car batteries. A no-spill design keeps it sealed and secure even when the boat heels over to angles up to 45°, and molded-in stainless steel stud and hex-nut terminals resist corrosion while keeping wiring connections simple and secure.

Flush top covers keep the battery top clean and free of acid residue, making terminals easier to access and preventing caps from getting lost during routine maintenance. Internal plate separators help prevent short circuits that can shorten a battery's lifespan, and full-frame plates are built to handle the demands of repeated engine starts in tough marine conditions.

This battery is manufactured in the U.S. for West Marine by East Penn, and each unit passes over 250 quality control checks before it ships. Most of the plastic, lead, and acid used in manufacturing is recycled, making it a practical choice for boaters who want dependable starting power without unnecessary environmental waste.

Key Features

  • High cranking power for fast, reliable engine starts
  • No-spill design supports safe operation at heel angles up to 45°
  • Flush-mounted cover with handle for easy installation and handling
  • Full-frame plates built to withstand demanding marine starting cycles
  • Molded-in dual terminals accept post or stainless steel stud connections
  • Internal separators help prevent short circuits and protect internal components
  • Manufactured in the USA
  • Backed by a 12-month free replacement warranty

Specifications

  • Group Size: Group 27
  • Battery Type: Flooded, starting
  • Terminal Type: Molded-in SAE posts and vertical 5/16" NEG. and 5/16" POS. Stainless steel studs with hex nuts
  • Voltage: 12 volts DC
  • Cold Cranking Amps (CCA): 840
  • Marine Cranking Amps (MCA): 1,050
  • Reserve Minutes: 182
  • Weight: 57½ lbs
  • Dimensions: 6-3/4" W x 9-3/8" H x 12" L at base, 12-3/4" L at top with flanges
  • Warranty: 12-month free replacement

A core charge will apply if an old 12V battery is not exchanged at the time of purchase.

Warning
Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov

Battery Type Flooded, Starting
Cold Cranking Amps 840 CCA
Dimensions 6 3/4" Width x 9 3/8" Height x 12" Length at Base 12 3/4"L at top with flanges
Marine Cranking Amps 1050 MCA
Reserve Minutes 182
Type Tapered Stud and Wing Nuts
Voltage 12 Volts DC
Warranty One Year Free Replacement

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