AA LiFePO₄ LN3 is a lithium iron phosphate automotive battery designed to replace conventional LN3 lead-acid batteries, commonly used in European and larger Japanese vehicles. It provides lighter weight, stable voltage, and longer service life compared to traditional lead-acid batteries.

Size & Compatibility

Battery Size: DIN / EN LN3
Physical Size (Approx.): 278 × 175 × 190 mm

Replaces Lead-Acid Sizes:

• DIN / EN: LN3

• Common Size Reference: DIN74, DIN75

• Typical Lead-Acid Capacity: ~70–75Ah (reference only)

Typical Vehicles:
BMW 3 Series / 5 Series
Mercedes-Benz C-Class / E-Class
Volkswagen Passat / Tiguan
Peugeot, Audi, Skoda models using LN3 size

🔎 Battery Size Reference (IMPORTANT)

LN3 is a European DIN battery size standard, commonly referred to as DIN74 or DIN75.
Battery size refers to physical dimensions and terminal layout. LN3 is larger than LN2 and not interchangeable with LN2 or Q85.

Warranty

3 Years or 60,000 km (whichever comes first)

Comparison – LiFePO₄ vs Lead-Acid Battery

✅ Advantages over Lead-Acid

• Significantly lighter weight

• Faster engine cranking

• Stable voltage delivery

• No acid leakage or corrosion

• No sulfation during storage

• Longer usable service life

⚠ Considerations

• Higher upfront cost compared to lead-acid batteries

• Battery tray size and terminal layout must match LN3 specifications

Why Choose AA LiFePO₄ LN3

• Safe and stable LiFePO₄ chemistry

• Designed for higher-capacity automotive applications

• Maintenance-free operation

• Reduced long-term replacement frequency

• Backed by extended warranty coverage

Q&A (SEO-Friendly)

Q: Can AA LiFePO₄ LN3 replace my original LN3 / DIN74 / DIN75 battery?
Yes. It is designed as a direct physical replacement for LN3-size lead-acid batteries, provided the tray and terminal layout match.

Q: Is LN3 larger than LN2?
Yes. LN3 is physically longer and has higher capacity than LN2. They are not interchangeable.

Q: Can LN3 replace Q85 or NS60?
No. Q85 and NS60 are different battery size classes and should not be replaced with LN3.

Q: Does this battery require special maintenance?
No. AA LiFePO₄ LN3 is maintenance-free under normal use.

Important Note

Battery size refers to physical dimensions and terminal layout, not Ah rating. Please confirm your original battery size before ordering.