Braille B3121 Harley Davidson/Powersports Battery

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Braille B3121 Harley Davidson/Powersports Battery

$270.99

$284.99 Sale price

$270.99

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Motorcycle Audio

Braille B3121 Harley Davidson/Powersports Battery

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Call us at (864) 334‑6131 or message our team with your bike year/model and current upgrades. We'll map the best path to louder, cleaner sound.

  • Description

  • Reviews

The Braille B3121 is a lightweight AGM battery sold by Garage Bagger Stereo as a drop-in replacement for 1998-present Harley-Davidson baggers and dressers. It weighs about 21 lb.

Key Specs

  • Voltage: 12 V; capacity 31 Ah
  • Pulse cranking amps: 1380 (5 second PCA)
  • Dimensions: 6.6" L x 5.2" W x 6.8" H
  • Weight: 21 lb
  • Polarity: right side positive; steel terminal block with M6 bolt
  • Recharge voltage 14.4-14.6 V; maintenance voltage 13.8 V
  • Built for high shock and vibration applications

Fitment and Installation Notes

Braille lists the B3121 as a lightweight AGM race battery; the 1998-present baggers and dressers fitment comes from our listing. Confirm polarity and tray size on your bike before ordering.

Keep it charged with a lithium-compatible maintainer, and see all motorcycle batteries or the parts and accessories we carry.

Not sure what fits your bike? Start a build consultation or call 864-334-6131.

need help deciding?

Speak now to one of our sales consultants or support team.

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