The 3.2V 20Ah LiFePO4 battery pack offers superior thermal stability, 2000+ life cycles, and lightweight design, making it perfect for automotive upgrades. Its 4S/8S configurations support 12V/24V systems in motorcycles, cars, and motors. With Grade A cells and C40 discharge rates, it outperforms lead-acid and standard lithium batteries in energy density and safety.
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What Are the Key Specifications of Grade A LiFePO4 Cells?
Grade A cells feature ≤2% capacity variance between cells, 100% DOD capability, and 0.2% monthly self-discharge. The 3.2V 20Ah cells use aluminum-laminated casing for heat dissipation, with built-in pressure relief valves. Electrodes use nano-structured lithium iron phosphate for 30% faster ion transfer compared to standard formulations.
Advanced manufacturing processes ensure consistent electrode thickness (±2μm tolerance) and electrolyte saturation levels exceeding 93%. These cells undergo 48-hour formation cycling with computerized capacity matching, achieving voltage differentials below 0.03V in matched sets. The hybrid carbon coating on cathodes improves conductivity while maintaining structural stability at high discharge rates.
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| Product Name | Short Description | Amazon URL |
|---|---|---|
|
Weize YTX14 BS ATV Battery  |
Maintenance-free sealed AGM battery, compatible with various motorcycles and powersports vehicles. | View on Amazon |
|
UPLUS ATV Battery YTX14AH-BS  |
Sealed AGM battery designed for ATVs, UTVs, and motorcycles, offering reliable performance. | View on Amazon |
|
Weize YTX20L-BS High Performance  |
High-performance sealed AGM battery suitable for motorcycles and snowmobiles. | View on Amazon |
|
Mighty Max Battery ML-U1-CCAHR  |
Rechargeable SLA AGM battery with 320 CCA, ideal for various powersport applications. | View on Amazon |
|
Battanux 12N9-BS Motorcycle Battery  |
Sealed SLA/AGM battery for ATVs and motorcycles, maintenance-free with advanced technology. | View on Amazon |
| Parameter | Grade A Cell | Standard Cell |
|---|---|---|
| Cycle Life | 2,000+ cycles | 800 cycles |
| Self-Discharge | 0.2%/month | 0.5%/month |
| Temperature Range | -20°C to 60°C | 0°C to 45°C |
What Safety Features Do C40-Rated LiFePO4 Packs Include?
Multi-layer protection: UL-certified separator melts at 135°C to prevent shorts, flame-retardant ABS casing (V-0 rating), and IP67 waterproofing. Smart BMS monitors individual cell resistance (±5mΩ accuracy) and temperature (±2°C). Includes automatic load disconnect at 80°C and cell balancing current up to 1.5A.
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The dual-stage pressure relief mechanism activates at 15psi for gradual gas venting, followed by full membrane rupture at 25psi in extreme cases. Nickel-plated copper busbars with laser welding ensure 0.1mΩ connection resistance even after 5,000 thermal cycles. Embedded fiberglass reinforcement in terminal posts prevents deformation under 500A surge currents.
“The 3.2V 20Ah LiFePO4 C40 cells represent a paradigm shift in vehicle electrification. Their 12-minute fast-charge capability (with proper cooling) and 98% round-trip efficiency make them indispensable for high-performance applications. We’re seeing 40% adoption growth annually in the aftermarket automotive sector.”
— Dr. Elena Voss, EV Battery Systems Engineer
FAQs
- Can I use LiFePO4 batteries in below-freezing temperatures?
- Yes, with preconditioning. Charge only above 0°C, but discharge works to -20°C with 15% capacity reduction at -10°C.
- How to calculate runtime for 4S 20Ah setups?
- Runtime (hours) = 20Ah / Load Current. Example: 10A load = 2 hours at 100% discharge (recommend 80% DOD for longevity).
- What maintenance do LiFePO4 packs require?
- Monthly voltage check (3.2-3.4V/cell ideal), terminal cleaning every 6 months, and full-capacity test annually. No water refilling needed.