Braille Lightweight Racing Battery - 21 lbs.



At under 22 pounds, the B3121 is Brailles lightest "do eveything" battery yet. Using Advanced AGM racing technology, they have put a lot of power into a very small package. With 1380 pulse cranking amps this has enough power to start more than any other battery in its weight class. Average weight for a factory battery is around 45lbs! There is no better performance modification than weight reduction. Saving weight improves acceleration, braking, handling, and fuel economy. Every pound counts!

Braille lightweight racing batteries are used in professional racing series such as the FIA WRC, FIA Formula Racing, Speed World Challenge Series, SCCA ProRally Series, and SCCA Regional and National Racing.

No Spill, No Corrosion, No Maintenance
Technically registered as a "sealed valve regulated" design, this patented technology completely eliminates acid spills and corrosion on terminals. This design is environmentally safe, does not need filling and maintenance. Air shipping approved.

Exclusive Dual Terminal Design
A Braille Battery exclusive! This feature allows the battery to be mounted in a variety of positions. It is designed to accept racing, powersports and automotive terminals vertically and horizontally.

Recommended Usage: This battery can be used for all cylinder applications, racing or street driving, any climate. Aftermarket audio setups, such as subwoofers and upgraded amps are also supported.

Physical specifications
Length: 6.6" (168mm)
Width: 5.2" (132mm)
Height (without posts): 6.8" (173mm)
Minimum Weight: 21lbs (9.5kg)

Performance
Voltage: 12 Volts
Full Charge Voltage: 13.8 Volts
Pulse Cranking Amps (PCA): 1380
Cranking Amps (CA): 742
Cold Cranking Amps (CCA): 550


All Braille batteries feature an industry leading energy-to-weight ratio accomplished via Enhanced Mat Technology (for more surface area on the lead plates) combined with calcium full frame power path grids (for increased cranking power).

Durability is also built into every Braille battery. Using high-density oxide, Braille batteries offer true deep-cycling ability over the life of the battery. Heavy-duty vibration resistant power posts resist cracking and deterioration common to many lightweight batteries used in harsh automotive environments.

Braille batteries include a one-year free replacement limited warranty that is not pro-rated. IMPORTANT: Braille batteries can only be shipped to addresses within the United States or Canada.

Mounting Solutions

FRP Kit (Fiberglass Reinforced Plastic) Aluminum Mount Kit
The adjustable design of the FRP Mount Kit allows easy mounting of specific batteries in either the vertical or horizontal position. Designed to take full advantage of Braille exclusive dual terminal design, this mount kit allows the battery to be mounted in any postion. This mount is very pospular for laying the battery flat in a stock location or mounting in a cubby or agasint the firewall.

Select your mounting option below




Models this Product Fits
*Universal product, may require modification to fit your car.
More Information
Manufacturer Braille
Make Universal
Model Universal
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