B2 Audio Batteries

This Listing Includes: (1) B2 Audio 44AH 12V Lithium Iron Phosphate (LiFePO4) Battery (1) XS Power Li1208 12V 8 Amp Lithium IntelliCHARGER with AC input and DC output cables The B2 Audio 44AH LiFePO4 battery gives your system the power reserve to keep up with the bass, helping cut down voltage drop when your amps pull the hardest. Since a lithium battery needs a lithium-compatible charger, this combo includes the XS Power Li1208, an 8 amp charger with a 14.4V cutoff. You can top off the battery at home or in the shop between car meets, after long demo sessions, or when the car’s been sitting. It works for daily drivers, competition builds, and demo vehicles alike. Features For bigger systems, pair the battery with an upgraded charging system so it stays charged while you drive Maintenance free, with high shock resistance for daily driving and competition use Charger comes with a 5.0' (1.5 m) AWG 16 AC input cable and a 3.9' (1.19 m) AWG 10 DC output cable Fuse protected AC input on the charger Charger weighs 2.2 lbs (1 kg), easy to keep in the trunk or on a shop shelf The Li1208 also charges Yinglong LTO cells and Headway lithium cells Battery mounting hardware and power wire are not included Specifications B2 Audio 44AH LiFePO4 Battery Chemistry: Lithium Iron Phosphate (LiFePO4) Nominal Voltage: 12V Capacity: 44AH Energy: 594 Wh Continuous Music Power: 5,000W Max Power: 10,000W Max Output Current: 4,100A Length: 7.75" Width: 6.54" Height: 7" XS Power Li1208 Charger Output: 12V, 8A Charge Cutoff: 14.4V AC Input Voltage: 110 to 230 VAC, 47 to 63 Hz AC Input Current: 5A RMS, fuse protected AC Input Cable: 5.0' (1.5 m), AWG 16 DC Output Cable: 3.9' (1.19 m), AWG 10 Length: 6.1" Width: 3.54" Height: 2" Weight: 2.2 lbs (1 kg) Get 44 amp hours of lithium power and the charger to keep it ready, all in one order. Grab this combo and give your amps the support they need for the next meet. 44AH OF RESERVE POWER: With 594 watt hours of stored energy, the battery help

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery and a pair of Big Jeff Audio bolt-down 4 input terminal distribution blocks. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. BOLT-DOWN MOUNTING: Distribution blocks bolt directly to the B2 Audio 44AH’s M6 terminals, no SAE post adapters needed. FOUR 0 GAUGE INPUTS PER BLOCK: Accepts 1/0 AWG, oversized 1/0 AWG, and 2/0 AWG welding cable for clean power and ground wiring. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w 0GA 4 Input Bolt Down Terminal Blocks This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery (2) Big Jeff Audio Bolt-Down 4 Input Distribution Blocks, BJ-AL-4-INPUT-BD, with installation hardware Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with a pair of Big Jeff Audio bolt-down distribution blocks, giving you four wire inputs on both the positive and negative side. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. The distribution blocks are made from polished 6061 aluminum with a laser-etched Big Jeff Audio logo. Each one bolts directly to the B2 Audio 44AH’s M6 terminals and accepts 1/0 AWG, oversized 1/0 AWG, or 2/0 AWG welding cable, so you can run multiple amps from the battery without stacking ring terminals. Requires a lithium-compatible battery charger. Pair it with a properly upgraded charging system to keep your setup playing strong. Features: Complete battery and terminal setup in one order 44AH lithium iron phosphate battery

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery and a pair of Big Jeff Audio 4 spot lug-style bolt-down terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. BOLT-DOWN MOUNTING: Terminals mount directly to the B2 Audio 44AH’s M6 terminals using the battery’s included M6 bolts. FOUR LUG CONNECTIONS PER TERMINAL: Organized connection points for 3/8 inch ring terminals on both the power and ground side. Ring terminals not included. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w 4 Lug Style Bolt Down Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery, with M6 terminal bolts (2) Big Jeff Audio 4 Spot Lug-Style Bolt-Down Battery Terminals, with 3/8 inch bolts for ring terminal connections Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with a pair of Big Jeff Audio 4 spot lug-style terminals, giving you four ring terminal connections on both the positive and negative side. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. The terminals mount directly to the battery’s M6 terminals using the M6 bolts that come with the B2 44AH. They’re polished aluminum with a low 0.37 inch profile, so they sit flat and keep the top of the battery clean. Each one has four lug-style spots with 3/8 inch holes and includes 3/8 inch bolts, making it easy to run multiple amps, a big three upgrade, and accessories without stacking ring terminals on a single bolt. Ring terminals are not included. Requires a lithium-compat

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery and a pair of Big Jeff Audio 6 spot lug-style bolt-down terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. BOLT-DOWN MOUNTING: Terminals mount directly to the B2 Audio 44AH’s M6 terminals using the battery’s included M6 bolts. SIX LUG CONNECTIONS PER TERMINAL: 3/8 inch connection points for 1/0 AWG or 2/0 AWG ring terminals on both the power and ground side. Ring terminals not included. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w 6 Lug Style Bolt Down Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery, with M6 terminal bolts (2) Big Jeff Audio 6 Spot Lug-Style Bolt-Down Battery Terminals, BJ-AL-6-LUG-BD, with 3/8 inch bolts and washers for ring terminal connections Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with a pair of Big Jeff Audio 6 spot lug-style terminals, giving you six ring terminal connections on both the positive and negative side. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. The terminals mount directly to the battery’s M6 terminals using the M6 bolts that come with the B2 44AH. They’re polished aluminum with a low 0.4 inch profile, and each one has six lug-style spots with 3/8 inch holes for 1/0 AWG or 2/0 AWG ring terminals. That’s plenty of room for multiple amps, a big three upgrade, and accessories without stacking ring terminals on a single bolt. Ring terminals are not included. Requires a lithium-compatible

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery and a pair of Big Jeff Audio 8 spot lug-style bolt-down terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. BOLT-DOWN MOUNTING: Terminals mount directly to the B2 Audio 44AH’s M6 terminals using the battery’s included M6 bolts. EIGHT LUG CONNECTIONS PER TERMINAL: 3/8 inch connection points for ring terminals on both the power and ground side, with bolts and washers included. Ring terminals not included. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w 8 Lug Style Bolt Down Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery, with M6 terminal bolts (2) Big Jeff Audio 8 Spot Lug-Style Bolt-Down Battery Terminals, BJ-AL-8-LUG-BD, with 3/8 inch bolts and washers for ring terminal connections Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with a pair of Big Jeff Audio 8 spot lug-style terminals, giving you eight ring terminal connections on both the positive and negative side. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. The terminals mount directly to the battery’s M6 terminals using the M6 bolts that come with the B2 44AH. They’re polished aluminum with a low 0.41 inch profile, and each one has eight lug-style spots with 3/8 inch holes. That’s room for multiple amps, a big three upgrade, and accessories, all on their own spot instead of stacked on a single bolt. Ring terminals are not included. Requires a lithium-compatible battery charger.

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery, tall brass SAE top post terminals, and a pair of Big Jeff Audio 4 input terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. M6 TO SAE CONVERSION: Short brass adapters mount to the battery’s M6 terminals and convert them to standard clamp-style SAE top posts. FOUR INPUTS PER TERMINAL: Polished aluminum Big Jeff Audio terminals accept 1/0 AWG, oversized 1/0 AWG, and 2/0 AWG welding cable. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w SAE Posts & 1/0 AWG 4 Input Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery (1) Pair of Short Brass SAE Top Post Adapters (Positive & Negative), with (2) stainless steel M6 hex-head machine screws and (2) split lock washers (2) Big Jeff Audio 4 Input SAE Top Post Battery Terminals, BJ-AL-4-INPUT-SAE, with installation hardware Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with short brass SAE top post adapters and a pair of Big Jeff Audio 4 input terminals, so you can run several power and ground wires from one clean top post setup. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. It works for car audio, marine, and off-road electrical setups. The short brass adapters bolt directly to the battery’s M6 terminals with the included stainless steel screws and give you standard clamp-style SAE posts. From there, the polished aluminum Big Jeff Audio terminals clamp on, each with four screw-down inputs

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery, tall brass SAE top post terminals, and a pair of Big Jeff Audio 6 input terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. M6 TO SAE CONVERSION: Short brass adapters mount to the battery’s M6 terminals and convert them to standard clamp-style SAE top posts. SIX 1/0 GAUGE INPUTS PER TERMINAL: Polished aluminum Big Jeff Audio terminals give you six input positions each for power and ground wiring. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w SAE Posts & 1/0 AWG 6 Input Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery (1) Pair of Short Brass SAE Top Post Adapters (Positive & Negative), with (2) stainless steel M6 hex-head machine screws and (2) split lock washers (2) Big Jeff Audio 6 Input SAE Top Post Battery Terminals, BJ-AL-6-INPUT-SAE, with installation hardware Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with short brass SAE top post adapters and a pair of Big Jeff Audio 6 input terminals, so you can run up to six power or ground wires per terminal from one clean top post setup. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. It works for car audio, marine, and off-road electrical setups. The short brass adapters bolt directly to the battery’s M6 terminals with the included stainless steel screws and give you standard clamp-style SAE posts. From there, the polished aluminum Big Jeff Audio terminals clamp on, each wit

COMPLETE BATTERY COMBO: Includes a B2 Audio 44AH lithium battery, tall brass SAE top post terminals, and a pair of Big Jeff Audio 4 lug-style terminals. SUPPORTS UP TO 10,000 WATTS: Rated for 5,000 watts continuous music power and 10,000 watts burst, with 594 watt-hours of reserve energy and up to 4,100 amps of output. ADVANCED LiFePO4 TECHNOLOGY: Faster charging, longer lifespan, lighter weight, and better efficiency than traditional AGM batteries. M6 TO SAE CONVERSION: Short brass adapters mount to the battery’s M6 terminals and convert them to standard clamp-style SAE top posts. FOUR LUG CONNECTIONS PER TERMINAL: Polished aluminum Big Jeff Audio terminals with 3/8 inch mounting holes for organized power and ground wiring. B2 Audio 44Ah 5000W LiFePO4 Battery 12V w SAE Top Posts & 4 Lug Style Terminals This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery (1) Pair of Short Brass SAE Top Post Adapters (Positive & Negative), with (2) stainless steel M6 hex-head machine screws and (2) split lock washers (2) Big Jeff Audio 4 Lug-Style SAE Top Post Battery Terminals, BJ-AL-4-LUG-SAE, with installation hardware Get a complete battery setup in one order. This combo pairs the B2 Audio 44AH LiFePO4 battery with short brass SAE top post adapters and a pair of Big Jeff Audio 4 lug-style terminals, so you can run several power and ground connections from one clean top post setup. The B2 Audio 44AH supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, with 594 watt-hours of reserve energy to help reduce voltage drop when your amps pull hard. It’s lighter than a traditional AGM battery, charges fast, and is maintenance free. The short brass adapters bolt directly to the battery’s M6 terminals with the included stainless steel screws and give you standard clamp-style SAE posts. From there, the polished aluminum Big Jeff Audio terminals clamp on, each with four lug-style connections and 3/8 inch mounting holes

SUPPORTS UP TO 10,000 WATTS: Designed for high-performance car audio systems, competition builds, and powerful amplifier setups that demand reliable electrical support. 44AH HIGH CAPACITY ENERGY STORAGE: Provides 594 watt-hours of reserve energy to help maintain stable voltage and consistent amplifier performance. MASSIVE 4,100 AMP OUTPUT CAPABILITY: Delivers exceptional current on demand with minimal voltage sag during heavy bass hits and musical peaks. ADVANCED LiFePO4 TECHNOLOGY: Offers faster charging, longer lifespan, lighter weight, improved efficiency, and greater reliability compared to traditional AGM batteries. BUILT FOR SERIOUS AUDIO SYSTEMS: High shock resistance, maintenance-free operation, and dependable power delivery make it ideal for daily drivers and competition vehicles alike. B2 Audio 44Ah LiFePO4 Lithium Battery 12V 5000W High Performance Car Audio This Listing Includes: (1) B2 Audio 44AH Lithium Iron Phosphate Battery Give your audio system the power to keep up with the bass. The B2 Audio 44AH LiFePO4 Battery supports up to 5,000 watts of continuous music power and 10,000 watts of burst power, helping reduce voltage drop when your amplifiers need power most. Lighter than traditional AGM batteries, it offers fast charging and dependable power for daily systems, competition builds, and demo vehicles. Pair it with a properly upgraded charging system to keep your setup playing strong. Requires a lithium-compatible battery charger. Specifications Battery Chemistry: Lithium Iron Phosphate (LiFePO4) Nominal Voltage: 12V Capacity: 44AH Maximum Wattage Support: 10,000 Watts Continuous Music Power: 5,000 Watts Energy Capacity: 594 Watt Hours Maximum Output Current: 4,100 Amps High Current Design Fast Charging Capability Low Voltage Sag Lightweight Construction High Shock Resistance Maintenance Free Operation Car Audio Application Dimensions: Length - 7.75 in Height - 7 in Width - 6.54 in

Direct fit for B2 Audio RAGE CDR-44 compression drivers Restores crisp highs and accurate high frequency detail Built from durable materials for long lasting performance Easy drop in replacement for worn or damaged diaphragms Ideal for system maintenance, repairs, or performance refresh RAGE CDR-44 Diaphragm Pair For Bolt On Compression Driver B2-RAGECDR-44-RC This Listing Includes: (2) B2 Audio Replacement Diaphragms for B2 Audio RAGE CDR-44 Compression Horn Tweeters Ensure the continued high-performance audio quality of your B2 Audio RAGE CDR-44 Compression Horn Tweeters with this premium replacement diaphragm pair. Designed specifically for seamless compatibility, these diaphragms restore the precision and clarity of your tweeters, delivering crisp highs and dynamic sound reproduction. Crafted from high-quality materials, they are built to endure long-term use while maintaining their performance. Whether replacing a worn-out diaphragm or upgrading your system, these B2 Audio replacement parts guarantee durability and optimal sound quality. Specifications: Voice Coil Diameter: 1.75 inches Overall Diameter: 2.42 inches Diaphragm Thickness: 0.45 inches All replacement parts are tested for fit and performance. Professional installation is recommended.

DIRECT REPLACEMENT FOR RAGE CDR-50: Designed specifically for B2 Audio RAGE CDR-50 twist-on compression horn tweeters to restore original high-frequency performance and clarity. AVAILABLE IN 4 OHM OR 8 OHM: Offered in two impedance options to match your compression driver configuration. Select the correct version to maintain proper system performance. RESTORES CRISP HIGH FREQUENCIES: Engineered to bring your tweeters back to life with clean highs, sharp detail, and powerful output for high-performance car audio systems. PRECISION FIT DESIGN: Built for seamless compatibility with RAGE CDR-50 compression drivers, ensuring proper alignment and easy installation when replacing damaged or worn diaphragms. DURABLE HIGH-QUALITY CONSTRUCTION: Manufactured with reliable materials to withstand demanding SPL environments while maintaining consistent sound reproduction. RAGE CDR-50 Replacement Diaphragm Pair for Twist-On Compression Driver 4 or 8 Ohm This Listing Includes (1) Pair of B2 Audio RAGE CDR-50 Replacement Diaphragms (2 diaphragms total) Restore the clarity and high-frequency performance of your B2 Audio RAGE CDR-50 compression horn tweeter with this genuine replacement diaphragm pair. Designed for precise compatibility with the RAGE CDR-50 twist-on compression driver, these diaphragms bring your tweeters back to life with crisp highs, clean detail, and powerful output. Built from high-quality materials and engineered for durability, these replacement diaphragms maintain the performance and reliability expected from B2 Audio components. Whether you're replacing worn diaphragms or repairing a damaged driver, this pair ensures your system continues delivering the aggressive, high-energy sound B2 Audio is known for. Perfect for SPL builds, pro audio door setups, and high-output systems where accurate high-frequency reproduction is critical. Specifications: Brand: B2 Audio Model / Part Number: B2-RAGECDR-50-RC Series Product Type: Replacement diaphragm pa

RESTORE ORIGINAL PERFORMANCE: Replace damaged diaphragms and bring your B2 Audio RAGE CDR V2 compression drivers back to the clear, powerful highs they were designed to produce. GENUINE DIRECT REPLACEMENT: Designed specifically for the B2 Audio RAGE CDR V2 for proper fit, dependable performance, and factory-level sound quality. COMPLETE PAIR INCLUDED: Includes two matching replacement diaphragms, making it easy to service both compression drivers at the same time. COST EFFECTIVE REPAIR: Replace only the worn diaphragm instead of purchasing new compression drivers, saving time and money. EASY INSTALLATION: Direct replacement design allows you to quickly restore your existing compression drivers and get your system back up and running. B2 Audio Replacement Diaphragms Pair for RAGE CDR V2 4 Ohms Compression Drivers  This Listing Includes: (2) B2 Audio RAGE CDR V2 Replacement Diaphragms Restore the original performance of your B2 Audio RAGE CDR V2 compression drivers with this genuine pair of replacement diaphragms. Designed as direct replacements, these diaphragms bring back the crisp highs, detailed vocals, and powerful output your system was built to deliver without replacing the entire compression driver. Whether your existing diaphragms have been damaged from extended use or high power, these replacements provide an easy and cost-effective way to get your compression drivers performing like new. Built to match the original specifications, they feature 4 Ohm voice coils for seamless compatibility with the RAGE CDR V2. Perfect for daily drivers, demo vehicles, and competition systems where clean, reliable high-frequency performance is essential. Features: Genuine replacement diaphragms for the B2 Audio RAGE CDR V2 Compression Driver Includes a matched pair of replacement diaphragms Restores factory sound quality and high-frequency output 4 Ohm voice coils match the original driver specifications Direct replacement design for an easy insta