Premium Cranking Power for Your High-Performance Harley

Elevate your riding experience with the Duraboost V-Twin DBLVT20L Lithium Ion Battery, specifically engineered to meet the rigorous demands of American V-Twin engines. Standard lead-acid batteries often struggle with the massive torque required to start a Harley-Davidson, but the DBLVT20L utilizes advanced Lithium Iron Phosphate (LiFePO4) technology to provide a relentless 500 Cranking Amps (CA). This ensures your motorcycle roars to life instantly, providing consistent, high-voltage output even in the most demanding conditions.

Extreme Weight Savings & Improved Agility

One of the most effective ways to improve your motorcycle’s handling is by reducing “sprung weight.” The Duraboost DBLVT20L weighs a mere 5.29 lbs, replacing traditional lead-acid batteries that can weigh up to 15 lbs or more. By shedding nearly 10 lbs from your battery tray, you lower the bike’s center of gravity, resulting in sharper handling, improved braking performance, and better flickability through tight corners. It is the easiest performance upgrade you can install in minutes.

Advanced Integrated Battery Management System (BMS)

Safety and longevity are at the core of the Duraboost design. The DBLVT20L features a sophisticated integrated Battery Management System (BMS). This internal “brain” constantly monitors the health of the lithium cells, protecting against over-charging, deep discharge, and thermal instability. Whether you are running a high-output security system or customized LED lighting, the BMS ensures your battery remains protected from parasitic drain and electrical spikes, extending the lifespan far beyond traditional batteries.

Rugged Durability & Seamless OEM Fitment

Riders demand gear that can withstand the heavy vibration of a V-Twin engine. The DBLVT20L is built into a heavy-duty OEM-sized case (6.89″ L x 3.43″ W x 6.10″ H), ensuring a perfect drop-in fit for Harley-Davidson models without the need for spacers or foam padding. To ensure maximum conductivity, this battery is equipped with heavy-duty brass terminals. Unlike lead terminals that can oxidize or strip, these brass connections provide a rock-solid, corrosion-resistant interface for your bike’s primary power leads.

Maintenance-Free Reliability for the Modern Rider

The Duraboost DBLVT20L is designed for the rider who wants to spend more time on the road and less time on a trickle charger. Lithium technology offers an exceptionally low self-discharge rate, meaning it can hold its charge for up to a year in storage without a load. The built-in LED voltage indicator allows for a quick health check at the push of a button. Additionally, lithium cells charge up to 90% faster than lead-acid alternatives, getting you out of the garage and back onto the pavement in record time.

Note: To preserve the 2-year warranty and ensure optimal cell balancing, always use a lithium-specific smart charger/maintainer.

Duraboost V-Twin DBLVT20L Lithium Ion Battery For Harley
For American V-Twin Motorcycles, the Duraboost® Lithium-Ion Motorcycle Batteries stand as the paramount choice for powering your journey. Engineered with a state-of-the-art on-board management system, these batteries ensure peak performance and unwavering reliability. The inclusion of over discharge protection guards against damage from modern Harley models’ on-board security systems by preventing excessive power drain. Offering a robust solution with substantial Cold Cranking Amps, starting high horsepower engines becomes a breeze. Installation is straightforward, thanks to their OEM compatible case sizes and brass 2 position terminals. For a battery that meets the demands of the most discerning riders, Duraboost® delivers without compromise.

Features:
Excellent cycle life for long-lasting use
Brass 2 position terminals for superior connectivity
Over discharge and short circuit protection for safety
Unmatched cranking power to get you going
Lightweight and vibration resistant design
Heavy duty OEM sized case
2 Year Warranty
Specs:
12V
120Wh
500 CA
5.29 lbs
Dimensions: 6.89″ L x 3.43″ W x 6.10″ H (175mm L x 87mm W x 155mm H)

Harley Davidson

Dyna Convertible FXDS 1994-2000

Dyna Fat Bob CVO/SE FXDFSE 2009, 2010

Dyna Fat Bob FXDF 2008-2017

Dyna Glide Custom FXDC 1992

Dyna Glide Daytona FXDB-D 1992

Dyna Glide Sturgis FXDB-S 1991

Dyna Low Rider FXDL/I 1993-2017

Dyna Low Rider S FXDLS 2016, 2017

Dyna Street Bob FXDB/I 2006-2017

Dyna Super Glide Custom FXDC/I 2005-2014

Dyna Super Glide CVO/SE FXDSE 2007

Dyna Super Glide CVO/SE FXDSE2 2008

Dyna Super Glide FXD/I 1995-2010

Dyna Super Glide Sport FXDX 1999-2005

Dyna Super Glide Sport Touring FXDXT 2001, 2002, 2003

Dyna Switchback FLD 2012, 2013, 2014, 2015, 2016

Dyna Wide Glide CVO/SE FXDWG2 2001

Dyna Wide Glide CVO/SE FXDWG3 2002

Dyna Wide Glide FXDWG/I 1993-2017

Softail Bad Boy Springer FXSTSB 1995, 1996, 1997

Softail Blackline FXS 2011, 2012, 2013

Softail Breakout 114 FXBRS 2018, 2019, 2020

Softail Breakout 117 FXBR 2023, 2024

Softail Breakout CVO/SE FXSBSE 2013

Softail Breakout FXBR 2018, 2019

Softail Breakout FXSB 2013, 2014, 2015, 2016, 2017

Softail Convertible CVO/SE FLSTSE 2010

Softail Convertible CVO/SE FLSTSE2 2011

Softail Convertible CVO/SE FLSTSE3 2012

Softail Cross Bones Springer FLSTSB 2008, 2009, 2010, 2011

Softail Custom FXSTC/I 1991-2010

Softail Deluxe FLDE 2018, 2019, 2020

Softail Deluxe FLSTN/I 2005-2017

Softail Deuce CVO/SE FXSTDSE 2003

Softail Deuce CVO/SE FXSTDSE2 2004

Softail Deuce FXSTD/I 1999-2007

Softail Fat Bob 114 FXFBS 2018-2023

Softail Fat Bob FXFB 2018, 2019

Softail Fat Boy 114 FLFBS 2018-2024

Softail Fat Boy CVO/SE FLSTFSE 2005

Softail Fat Boy CVO/SE FLSTFSE2 2006

Softail Fat Boy FLFB 2018, 2019

Softail Fat Boy FLSTF/I 1991-2017

Softail Fat Boy Lo FLSTFB 2010-2016

Softail Fat Boy S FLSTFBS 2016, 2017

Softail FXDR 114 FXDRS 2019, 2020

Softail Heritage Classic 114 FLHCS 2018-2024

Softail Heritage Classic FLHC 2018, 2019, 2020, 2021

Softail Heritage Classic FLSTC/I 1991-2017

Softail Heritage FLST/I 2006

Softail Heritage Springer FLSTS/I 1997-2003

Softail Low Rider FXLR 2018, 2019, 2020

Softail Low Rider S FXLRS 2020, 2021, 2022, 2023, 2024

Softail Low Rider ST FXLRST 2022, 2023, 2024

Softail Night Train FXSTB/I 1999-2009

Softail Nostalgia FLSTN/I 1993

Softail Slim FLS 2012-2017

Softail Slim FLSL 2018, 2019, 2020, 2021

Softail Slim S FLSS 2016, 2017

Softail Special FLSTN/I 1994, 1995, 1996

Softail Sport Glide FLSB 2018, 2019, 2020, 2021

Softail Springer Classic FLSTSC/I 2005, 2006, 2007

Softail Springer CVO/SE FXSTSSE 2007

Softail Springer CVO/SE FXSTSSE2 2008

Softail Springer CVO/SE FXSTSSE3 2009

Softail Springer FXSTS/I 1991-2006

Softail Standard FXST 2020, 2021, 2022, 2023, 2024

Softail Standard FXST/I 1999-2012

Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024

Softail Street Bob FXBB 2018, 2019, 2020

Sportster Custom XL1200C 1997-2003

Sportster Custom XL883C 1998-2003

Sportster Hugger XLH883HUG 1997-2003

Sportster Roadster XL883R 2002, 2003

Sportster Sport XL1200S 1997-2003

Sportster XLH1200 1997-2003

Sportster XLH883 1997-2003

Unrivaled Cranking Power for High-Compression V-Twins

When you are riding a large-displacement Harley-Davidson or a custom high-compression build, “standard” power isn’t enough. The Duraboost V-Twin DBLVT30L Lithium Ion Battery is engineered to meet the extreme demands of the biggest engines on the road. Utilizing premium Lithium Iron Phosphate (LiFePO4) chemistry, this battery delivers a massive 700 Cranking Amps (CA). This ensures that even the largest 114ci, 117ci, or modified Milwaukee-Eight and Twin Cam engines roar to life instantly, providing a consistent high-voltage discharge that traditional lead-acid batteries simply cannot sustain.

Extreme Weight Reduction & Performance Handling

One of the most transformative upgrades you can make to a heavy touring bike is reducing “top-heavy” weight. The DBLVT30L weighs only 6.83 lbs, making it nearly 70% lighter than the bulky 20+ lb AGM batteries it replaces. By removing over 14 lbs from the battery tray, you effectively lower the motorcycle’s center of gravity. This translates to better flickability in corners, easier low-speed maneuvering, and improved overall suspension response. With the Duraboost DBLVT30L, your dresser or bagger feels lighter and more agile than ever before.

Advanced Intelligence: Integrated Battery Management System (BMS)

Modern motorcycles are equipped with sophisticated electronics that require stable, clean power. The Duraboost DBLVT30L features an advanced integrated Battery Management System (BMS) that acts as a 24/7 guardian for your electrical system. This internal circuitry balances the individual lithium cells to ensure peak efficiency and prevents common causes of battery failure, such as over-charging and deep over-discharging. Whether you have a high-output stereo system or multiple GPS units, the BMS ensures your battery remains healthy and protected against electrical spikes.

Rugged Construction & Direct OEM Fitment

Durability is non-negotiable for V-Twin riders. The DBLVT30L is housed in a heavy-duty OEM-sized case (6.54″ L x 5.16″ W x 6.89″ H), designed specifically to drop into Harley-Davidson battery trays without the need for spacers or foam blocks. To ensure the best possible connection amidst high-vibration environments, it features flush-mount brass 2-position terminals. Brass offers superior conductivity over lead and resists the oxidation that often plagues traditional batteries, ensuring your bike gets every bit of the 700 amps available.

Maintenance-Free Reliability and Fast Charging

The Duraboost V-Twin Lithium series is designed for riders who would rather be on the road than in the garage. This battery features a remarkably low self-discharge rate, allowing it to hold a starting charge for up to one year of storage without a tender. The built-in LED voltage indicator provides an instant health check at the press of a button. When it is time to charge, lithium technology allows the DBLVT30L to reach a full charge significantly faster than lead-acid alternatives, so you spend less time tethered to the wall and more time in the saddle.

Note: To ensure longevity and validate the 2-year warranty, always utilize a lithium-compatible charger/maintainer.

Duraboost V-Twin DBLVT30L Lithium Ion Battery For Harley
For American V-Twin Motorcycles, the Duraboost® Lithium-Ion Motorcycle Batteries stand as the paramount choice for powering your journey. Engineered with a state-of-the-art on-board management system, these batteries ensure peak performance and unwavering reliability. The inclusion of over discharge protection guards against damage from modern Harley models’ on-board security systems by preventing excessive power drain. Offering a robust solution with substantial Cold Cranking Amps, starting high horsepower engines becomes a breeze. Installation is straightforward, thanks to their OEM compatible case sizes and brass 2 position terminals. For a battery that meets the demands of the most discerning riders, Duraboost® delivers without compromise.

Features:
Excellent cycle life for long-lasting use
Brass 2 position terminals for superior connectivity
Over discharge and short circuit protection for safety
Unmatched cranking power to get you going
Lightweight and vibration resistant design
Heavy duty OEM sized case
2 Year Warranty
Specs:
12V
180Wh
600 CA
7.06 lbs
Dimensions: 6.65″ L x 5.16″ W x 6.89″ H (169mm L x 131mm W x 175mm H)

Harley Davidson

Electra Glide Classic FLHTC/I 1997-2013

Electra Glide CVO/SE FLHTCSE 2004

Electra Glide CVO/SE FLHTCSE2 2005

Electra Glide Highway King FLHFB 2023

Electra Glide Standard FLHT 2019, 2020, 2021, 2022

Electra Glide Standard FLHT/I 1997-2009

Electra Glide Ultra Classic FLHTCU/I 1997-2019

Electra Glide Ultra Classic Low FLHTCUL 2015, 2016

Electra Glide Ultra Limited FLHTK 2010-2024

Electra Glide Ultra Limited Low FLHTKL 2015, 2016, 2017, 2018, 2019

Freewheeler FLRT 2015-2025

Revival FLH 2021

Road Glide 3 FLTRT 2023, 2024, 2025

Road Glide Custom FLTRX 2010, 2011, 2012, 2013

Road Glide CVO/SE FLTRSE3 2009

Road Glide CVO/SE FLTRSEI2 2001

Road Glide CVO/SE FLTRXSE 2012-2022

Road Glide FLTR/I 1998-2009

Road Glide FLTRX 2015-2023

Road Glide Limited CVO FLTRKSE 2022, 2023

Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024

Road Glide SE FLTRSEI 2000

Road Glide Special FLTRXS 2015-2023

Road Glide ST FLTRXST 2022, 2023

Road Glide Ultra CVO/SE FLTRUSE 2011

Road Glide Ultra FLTRU 2011-2019

Road King Classic FLHRC/I 1998-2013

Road King Custom FLHRS/I 2004, 2005, 2006, 2007

Road King CVO/SE FLHRSE3 2007

Road King CVO/SE FLHRSE4 2008

Road King CVO/SE FLHRSE5 2013

Road King CVO/SE FLHRSEI 2002

Road King CVO/SE FLHRSEI2 2003

Road King FLHR/I 1997-2022

Road King Special FLHRXS 2017-2025

Street Glide CVO/SE FLHXSE 2010, 2022

Street Glide CVO/SE FLHXSE2 2011

Street Glide CVO/SE FLHXSE3 2012

Street Glide FLHX/I 2006-2023

Street Glide Special FLHXS 2014-2023

Street Glide ST FLHXST 2022, 2023

Street Glide Trike FLHXXX 2010, 2011

Street Glide Ultra FLHXU 2025

Tri Glide CVO/SE FLHTCUTGSE 2020, 2021, 2022

Tri Glide Ultra Classic FLHTCUTG 2009-2025

Ultra Classic Electra Glide CVO/SE FLHTCUSE 2006

Ultra Classic Electra Glide CVO/SE FLHTCUSE2 2007

Ultra Classic Electra Glide CVO/SE FLHTCUSE3 2008

Ultra Classic Electra Glide CVO/SE FLHTCUSE4 2009

Ultra Classic Electra Glide CVO/SE FLHTCUSE5 2010

Ultra Classic Electra Glide CVO/SE FLHTCUSE6 2011

Ultra Classic Electra Glide CVO/SE FLHTCUSE7 2012

Ultra Classic Electra Glide CVO/SE FLHTCUSE8 2013

Unleash Maximum Cranking Power for Your V-Twin

When it comes to powering a heavy-duty Harley-Davidson, standard lead-acid batteries often struggle with the high torque demands of a V-Twin starter. The Duraboost V-Twin DBLVT20L Lithium Ion Battery changes the game. By utilizing advanced Lithium Iron Phosphate (LiFePO4) technology, this battery provides a consistent, high-voltage discharge that ensures your bike fires up on the first press of the button, even in demanding conditions. Rated at 500 CA (Cranking Amps), it offers the “kick” necessary for high-horsepower engines that traditional batteries simply cannot match.

Lightweight Performance & Improved Handling

One of the most immediate benefits of switching to the Duraboost DBLVT20L is the massive reduction in weight. At only 5.29 lbs, this unit replaces bulky lead-acid batteries that can weigh upwards of 15–20 lbs. For Harley riders, this weight saving is strategically located high on the frame, meaning a lower center of gravity and noticeably improved flickability and handling. Whether you are navigating tight city corners or cruising the open highway, a lighter bike is a more responsive bike.

Smart Protection with Integrated BMS

Modern Harleys are packed with electronics, from security systems to infotainment hubs, which can cause “parasitic drain” on a battery. The DBLVT20L features a sophisticated On-Board Battery Management System (BMS). This “brain” protects your investment by monitoring cell voltage and preventing over-discharge. If your bike sits in the garage, the BMS ensures the battery doesn’t drain beyond the point of repair. Additionally, it provides short-circuit and thermal protection, ensuring that your electrical system remains stable and safe under all riding conditions.

Built for the Road: Durability and Fitment

Duraboost understands that Harley-Davidson riders demand rugged gear. The DBLVT20L is housed in a heavy-duty OEM-sized case (6.89″ L x 3.43″ W x 6.10″ H), ensuring a perfect “drop-in” fit without the need for messy spacers or modifications. The brass 2-position terminals offer superior conductivity and corrosion resistance compared to standard lead terminals, providing a rock-solid connection that withstands the heavy vibrations inherent in V-Twin engines.

Maintenance-Free Longevity

Forget the days of checking acid levels or worrying about winter storage. This lithium-ion battery boasts an exceptional cycle life—up to 6 times longer than lead-acid alternatives. It features a remarkably low self-discharge rate, allowing it to hold a charge for up to a year without a load. For peace of mind, the built-in LED test gauge allows you to check your power levels at the touch of a button. When it is time to charge, the DBLVT20L reaches 90% capacity in a fraction of the time required for AGM batteries, getting you back on the road faster.

Note: To maintain the 2-year warranty and ensure peak performance, always use a lithium-specific smart charger.

Duraboost V-Twin DBLVT20L Lithium Ion Battery For Harley
For American V-Twin Motorcycles, the Duraboost® Lithium-Ion Motorcycle Batteries stand as the paramount choice for powering your journey. Engineered with a state-of-the-art on-board management system, these batteries ensure peak performance and unwavering reliability. The inclusion of over discharge protection guards against damage from modern Harley models’ on-board security systems by preventing excessive power drain. Offering a robust solution with substantial Cold Cranking Amps, starting high horsepower engines becomes a breeze. Installation is straightforward, thanks to their OEM compatible case sizes and brass 2 position terminals. For a battery that meets the demands of the most discerning riders, Duraboost® delivers without compromise.

Features:
Excellent cycle life for long-lasting use
Brass 2 position terminals for superior connectivity
Over discharge and short circuit protection for safety
Unmatched cranking power to get you going
Lightweight and vibration resistant design
Heavy duty OEM sized case
2 Year Warranty
Specs:
12V
120Wh
500 CA
5.29 lbs
Dimensions: 6.89″ L x 3.43″ W x 6.10″ H (175mm L x 87mm W x 155mm H)

Harley Davidson

Dyna Convertible FXDS 1994-2000

Dyna Fat Bob CVO/SE FXDFSE 2009, 2010

Dyna Fat Bob FXDF 2008-2017

Dyna Glide Custom FXDC 1992

Dyna Glide Daytona FXDB-D 1992

Dyna Glide Sturgis FXDB-S 1991

Dyna Low Rider FXDL/I 1993-2017

Dyna Low Rider S FXDLS 2016, 2017

Dyna Street Bob FXDB/I 2006-2017

Dyna Super Glide Custom FXDC/I 2005-2014

Dyna Super Glide CVO/SE FXDSE 2007

Dyna Super Glide CVO/SE FXDSE2 2008

Dyna Super Glide FXD/I 1995-2010

Dyna Super Glide Sport FXDX 1999-2005

Dyna Super Glide Sport Touring FXDXT 2001, 2002, 2003

Dyna Switchback FLD 2012, 2013, 2014, 2015, 2016

Dyna Wide Glide CVO/SE FXDWG2 2001

Dyna Wide Glide CVO/SE FXDWG3 2002

Dyna Wide Glide FXDWG/I 1993-2017

Softail Bad Boy Springer FXSTSB 1995, 1996, 1997

Softail Blackline FXS 2011, 2012, 2013

Softail Breakout 114 FXBRS 2018, 2019, 2020

Softail Breakout 117 FXBR 2023, 2024

Softail Breakout CVO/SE FXSBSE 2013

Softail Breakout FXBR 2018, 2019

Softail Breakout FXSB 2013, 2014, 2015, 2016, 2017

Softail Convertible CVO/SE FLSTSE 2010

Softail Convertible CVO/SE FLSTSE2 2011

Softail Convertible CVO/SE FLSTSE3 2012

Softail Cross Bones Springer FLSTSB 2008, 2009, 2010, 2011

Softail Custom FXSTC/I 1991-2010

Softail Deluxe FLDE 2018, 2019, 2020

Softail Deluxe FLSTN/I 2005-2017

Softail Deuce CVO/SE FXSTDSE 2003

Softail Deuce CVO/SE FXSTDSE2 2004

Softail Deuce FXSTD/I 1999-2007

Softail Fat Bob 114 FXFBS 2018-2023

Softail Fat Bob FXFB 2018, 2019

Softail Fat Boy 114 FLFBS 2018-2024

Softail Fat Boy CVO/SE FLSTFSE 2005

Softail Fat Boy CVO/SE FLSTFSE2 2006

Softail Fat Boy FLFB 2018, 2019

Softail Fat Boy FLSTF/I 1991-2017

Softail Fat Boy Lo FLSTFB 2010-2016

Softail Fat Boy S FLSTFBS 2016, 2017

Softail FXDR 114 FXDRS 2019, 2020

Softail Heritage Classic 114 FLHCS 2018-2024

Softail Heritage Classic FLHC 2018, 2019, 2020, 2021

Softail Heritage Classic FLSTC/I 1991-2017

Softail Heritage FLST/I 2006

Softail Heritage Springer FLSTS/I 1997-2003

Softail Low Rider FXLR 2018, 2019, 2020

Softail Low Rider S FXLRS 2020, 2021, 2022, 2023, 2024

Softail Low Rider ST FXLRST 2022, 2023, 2024

Softail Night Train FXSTB/I 1999-2009

Softail Nostalgia FLSTN/I 1993

Softail Slim FLS 2012-2017

Softail Slim FLSL 2018, 2019, 2020, 2021

Softail Slim S FLSS 2016, 2017

Softail Special FLSTN/I 1994, 1995, 1996

Softail Sport Glide FLSB 2018, 2019, 2020, 2021

Softail Springer Classic FLSTSC/I 2005, 2006, 2007

Softail Springer CVO/SE FXSTSSE 2007

Softail Springer CVO/SE FXSTSSE2 2008

Softail Springer CVO/SE FXSTSSE3 2009

Softail Springer FXSTS/I 1991-2006

Softail Standard FXST 2020, 2021, 2022, 2023, 2024

Softail Standard FXST/I 1999-2012

Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024

Softail Street Bob FXBB 2018, 2019, 2020

Sportster Custom XL1200C 1997-2003

Sportster Custom XL883C 1998-2003

Sportster Hugger XLH883HUG 1997-2003

Sportster Roadster XL883R 2002, 2003

Sportster Sport XL1200S 1997-2003

Sportster XLH1200 1997-2003

Sportster XLH883 1997-2003