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The Lithium-Iron Phosphate battery, also known as Li-Fe, LiFePO4, LFP, or LFX, is a rechargeable battery that comes in a variety of shapes, sizes, right/left polarity options. Lithium-Iron Phosphate Motorcycle Batteries are specifically designed for street, dirt, touring and cruiser motorcycles. These batteries are also great for scooters, ATVs, personal watercraft, riding lawnmowers and utility vehicles.
So why would one choose a lithium-iron battery over a lead acid? Generally these batteries are higher in cost then their lead acid counterparts; however, there are some key advantages that compensate for the higher cost.
Lithium-Iron Phosphate batteries have a higher energy density for weight compared to a lead acid, which results in more cranking power for a smaller size battery. Since the battery is generally smaller, it comes with self-adhesive foam inserts to protect against vibration. Its lightweight design allows you to mount the battery in any position.
In comparison; pictured above are the Shorai SKU: LFX07L2-BS12 and Motocross SKU: MTX4L-BS motorcycle batteries. Don’t let the size fool you. Although similar in size, we will take a closer look at the specifications side by side. You get extra power in a small package.
|MTX4L-BS Specifications||LFX07L2-BS12 Specifications|
|Chemistry||Dry Charge AGM||Chemistry||Lithium-Iron Phosphate|
|Voltage||12 V||Voltage||12 V|
|Capacity||4 Ah||Capacity||7 Ah|
|Rating||48 Whr||Rating||84 Whr|
Available with right/left polarity options; check your original before purchasing a replacement. For Shorai brand LFX batteries;
Under similar use patterns Lithium Iron batteries have outperformed lead-acid by lasting twice as long. With proper maintenance and under ideal storage conditions, a Lithium Iron battery can last between 5 to 10 years.
Most motorcycle enthusiasts can buy this battery and leave it in their motorcycle without ever using an external charger or battery management system. However, to really optimize and extend the life of a Lithium Iron battery you should use a battery management system as directed by the battery manufacturer.
While Lithium Iron batteries are lower maintenance alternatives to lead-acid, it’s still a good idea to invest in a specialized Lithium Iron battery management system. A battery management system will basically balance the cells in a Lithium Iron battery which will optimize performance and prolong the life of the battery. Please visit our charging Li-Fe batteries page for video tutorials and more information on charging plus maintaining a lithium iron phosphate motorcycle battery.
The Shorai Lithium Iron Phosphate battery comes with a three year manufacturer warranty. Warranty exchanges are easily handled directly through Shorai or manufacturer.