BS Battery BSLi-02 Lithium Max LiFePO4 Battery 2003-2025 Yamaha YZ450F YZ250F WR450F WR250F

Product Description

Nothing stalls momentum out on the track or trail like a sluggish engine crank or a completely dead power cell. When you're piloting high-performance modern dirt bikes, having instantaneous ignition energy is the baseline requirement for a winning ride. Moto-House MX delivers the ultimate solution with this ultra-lightweight power cell, specifically engineered to eliminate starting lag and optimize your machine's racing performance under extreme track conditions. No matter how punishing the terrain, this heavy duty power source ensures your high-performance engine fires to life the second you hit the electric start.

Engineered for technical superiority, this battery features advanced structural materials that deliver critical weight savings across your electrical chassis. Utilizing Lithium Max LiFePO4 chemistry, it sheds up to 70% of the weight of standard lead-acid packs while providing a massive 180A cold cranking performance for relentless starting power. Built with robust terminals and a high-integrity design for excellent sealing performance, this factory quality upgrade handles extreme vibration and deep discharges while eliminating leakage risks completely. Secure this performance upgrade today!

Top Features: BS Battery BSLi-02 Lithium Max LiFePO4 Battery

• Lithium Max Chemistry: Advanced LiFePO4 core yields a massive reduction in chassis weight—up to 70% lighter than traditional lead-acid options for improved handling.
• Enhanced Cranking Power: Supplies a stable 180 cold cranking amps through heavy-duty terminals for lightning-fast, reliable engine turnover.
• Unbeatable Longevity: Premium internal cell engineering is built to survive extreme track vibration, delivering over 2000 continuous operating cycles.
• State of Charge Indicator: Features a built-in voltage indicator directly on the upper casing for instant visual confirmation of your power levels.
• Plug & Play Ready: Arrives fully charged straight out of the box so you can eliminate prep work and get straight to the track.

Don't let a dead battery cut your weekend short—verify your fitment below and upgrade your machine today!

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2019-2025	Yamaha	YZ250F
2018-2025	Yamaha	YZ450F
2016-2024	Yamaha	YZ450FX
2003-2024	Yamaha	WR250F
2003-2024	Yamaha	WR450F
2009-2021	Yamaha	YFZ450R (ATV)

Frequently Questions Asked

Q: Do I need a special charger for this battery?
A: Yes, you must use a dedicated lithium-specific charger with a proper lithium charging profile to safeguard the cell chemistry and maintain maximum longevity.

Q: How long will this battery last under normal track conditions?
A: With proper maintenance, this premium battery will provide reliable performance for years and endure over 2000 continuous charge cycles.

Q: Is it really that much lighter than a standard lead-acid battery?
A: Yes! The weight savings are substantial (up to 70%), and you will feel the improvement in your machine's handling and acceleration immediately.

Expert Pro-Tip: When retrofitting this lightweight lithium cell into your Yamaha battery box, ensure your battery terminals are snug and use any included foam spacers to eliminate loose movement and isolate track vibration.

Recommended Pairings:

• Shop Yamaha YZ450F Performance Parts & Accessories
• Shop Lithium Battery Chargers
• Browse the Full BS Battery Collection

Stop by our local store in Montverde, FL or lightning-fast shipping across the USA.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The Best Motocross/UTV &ATV Shop in Central Florida.