21700 Cylindrical NCA/NCM Battery for Tesla Model Y （2021 - Present）OE#1567439-00-C / -D /1666968-99-C
Specifications
Details
Product description
Product Overview
This is a high-performance 21700 cylindrical lithium-ion battery cell with NCA/NCM chemistry, engineered as an original equipment (OE) replacement for Tesla Model Y (2021–Present). It matches OE part numbers 1567439-00-C, 1567439-00-D, and 1666968-99-C, delivering OEM-level energy density, fast-charging capability, and thermal stability. Designed for electric vehicle (EV) battery packs, it ensures consistent power output, extended driving range, and reliable performance in Tesla Model Y applications.
Key Features
- OEM Compatibility: Direct replacement for Tesla Model Y (2021–Present) with OE numbers 1567439-00-C/-D and 1666968-99-C.
- High Energy Density: NCA/NCM chemistry delivers ~250–300 Wh/kg for extended EV range .
- 21700 Cylindrical Format: 21mm diameter × 70mm height, optimized for Tesla’s pack design.
- Fast Charging Support: Low internal resistance enables efficient Supercharger compatibility.
- Superior Thermal Management: Enhanced heat dissipation for safe, long-cycle operation.
- Automotive-Grade Durability: Meets Tesla’s strict quality and reliability standards.
- High Capacity: Up to 5000mAh nominal capacity for consistent power delivery.
Specifications
- Cell Type: 21700 Cylindrical Lithium-Ion
- Chemistry: NCA (Nickel Cobalt Aluminum) / NCM (Nickel Cobalt Manganese)
- Nominal Voltage: 3.7V
- Nominal Capacity: 4600–5000mAh
- Dimensions: Ø21mm × 70mm
- Weight: ~68–70g
- Energy Density: 250–300 Wh/kg
- Internal Resistance: ≤25 mΩ (AC 1kHz)
- Charge Cutoff Voltage: 4.2V
- Discharge Cutoff Voltage: 2.5V
- Operating Temperature: -20°C to 60°C
- Cycle Life: ≥1000 cycles (80% capacity retention)
- OE Numbers: 1567439-00-C, 1567439-00-D, 1666968-99-C
- Fitment: Tesla Model Y (2021–Present)
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FAQ
Frequently Asked Questions
▸ What is the nominal capacity and voltage of the cell?
The cell delivers its rated capacity at 3.2V nominal (charge to 3.65V, discharge to 2.5V). Capacity is measured at 0.5C discharge rate after standard formation cycles. Internal resistance is below 0.25 milliohm for prismatic cells.
▸ Can these cells be used in series and parallel configurations?
Yes. Cells can be configured in series (1S to 16S typical packs) and parallel (1P to 4P) for 12V, 24V, 48V, and high-voltage 400V/800V systems. Cell matching within 2% capacity and 0.5 milliohm internal resistance ensures balanced packs.
▸ What cycle life can I expect?
LIANLI LFP cells deliver 6000+ cycles at 80% DoD, 4000+ cycles at 90% DoD, and 2000+ cycles at 100% DoD. Capacity retention remains above 80% throughout the rated cycle life when operated within specified charge/discharge rates and temperature ranges.
▸ What certifications apply to these cells?
All LIANLI LFP cells carry UN38.3, IEC62619, UL1973, CE, GB/T 36276, and MSDS certifications. Cells are manufactured in ISO9001/14001 facilities with automated electrode coating, stacking, and electrolyte filling under dry room conditions (Dew point below -40C).
▸ Do you ship internationally and what are minimum order quantities?
Yes. Sample orders accepted from 4 pieces for evaluation. Bulk orders ship via sea freight in custom wooden cases with anti-static and shock-proof packaging. DDP terms available for major destinations. Air freight available for urgent orders up to 500kg.
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