Braille B3121 AGM 550 CCA Lightweight Battery Master Install Kit

#9109243

Braille B3121 AGM 550 CCA Lightweight Battery Master Install Kit

At under 22 pounds, the B3121 is the lightest do-everything battery
Dual terminal design allows flexible mounting options
Aluminum "skeleton" design saves weight & allows clear view of battery

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Product Summary

Oval Track Cars, AGM Battery Type, 6.60" Overall Length

At under 22 pounds, the B3121 is the lightest do-everything battery
Dual terminal design allows flexible mounting options
Aluminum "skeleton" design saves weight & allows clear view of battery
Remote battery disconnect switch for safety and theft protection
Comes with 2 feet of black negative battery cable, and 18 feet of red positive cable

Comes as a Kit

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Key Specs

MFG. Part #	B3121
Brand	Braille Battery
Battery Type	AGM
Cranking Amps (32 deg. F)	742
Voltage	12 volts

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Braille Battery B3121 Details

Make installing a race car battery safe, simple, and professional with this comprehensive Braille B3121 kit. This premium lightweight package includes everything needed for a reliable, flexible, and track-ready battery setup — perfect for racers and performance builders who want maximum power, weight savings, and safety features in one convenient solution.

Lightweight 21 lb B3121 AGM battery with 550 CCA for strong, versatile performance
Flexible dual-terminal mounting system with aluminum skeleton design for any orientation
Heavy-duty 2-gauge copper relocation cables plus complete hardware for clean installation
Remote battery disconnect kill switch and terminal studs for safety and quick charging
Zero-maintenance AGM technology with vibration-resistant connections and NHRA compliance

Kit Includes:

(1) Braille B3121 No-Weight AGM Battery, 550 CCA
(1) Braille 3118 Battery Mount
(1) 2-Gauge Copper Battery Relocation Cable Kit (18 ft)
(1) Pair of Remote Mount Battery Terminal Studs
(1) Two-Post Battery Disconnect Isolation Kill Switch
(1) Billet Aluminum Remote Battery Terminal Mount
(1) Set of Copper Battery Cable Ends (2 Gauge, 3/8" Hole)

Ideal for race cars, hot rods, and high-performance vehicles requiring a complete, reliable battery relocation system.

Specs

BCI Group: Useable for all Group Sizes
Length: 6.6"
Width: 5.2"
Height (without posts): 6.8"
Minimum Weight: 21 lbs.
Voltage: 12 Volts
Full Charge Voltage: 13.8 Volts
Pulse Cranking Amps: 1380
Cranking Amps: 742
Cold Cranking Amps: 550
Amp Hour - Electrical Capacity: 31 amp hr
Reserve Capacity: 1 hr 15 mins

Guides & Documents

Batteries Installation Instructions (9109243)

Batteries MSDS (9109243)

Automotive Batteries Explained-What's Best For You?

Batteries MSDS (1943121)

Battery Boxes and Hardware MSDS (1943118)

Battery Relocation to Trunk or Other Area of Your Vehicle

Battery Switch Connectors Installation Instructions (91064500)

Braille Battery B3121 Specifications

KEY SPECS
MFG. Part #	B3121
Brand	Braille Battery
Battery Type	AGM
Cranking Amps (32 deg. F)	742
Voltage	12 volts

GENERAL
Overall Length	6.60"
Overall Width	5.50"
Overall Height	6.80"
Battery Terminals	Top & Side
Cranking Amps (0 deg. F)	550
Battery Reserve Capacity	75 minutes
Weight	21 lbs.
Sold in Quantity	Kit

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