21700 Cylindrical NCA/NCM Battery for Tesla Model Y （2021 - Present）OE#1700012-99-B /1137375-01-P
Specifications
Details
Product description
Product Overview
This is a high-performance 21700 cylindrical lithium-ion battery with NCA/NCM cathode chemistry, engineered as an original equipment (OE) replacement for Tesla Model Y (2021–Present). It matches OE part numbers 1700012-99-B and 1137375-01-P, delivering OEM-grade energy density, power output, and thermal stability to support long driving range, fast charging, and reliable EV operation. Designed for direct fitment in Tesla’s battery pack architecture, it ensures consistent performance and durability for electric vehicle powertrain applications.
Key Features
- OEM Compatibility: Direct replacement for Tesla Model Y (2021–Present), OE#1700012-99-B / 1137375-01-P
- High Energy Density: NCA/NCM chemistry for superior energy storage vs. 18650 cells
- Optimized Thermal Management: Cylindrical design enhances heat dissipation for safe, long-cycle performance
- High Power Output: Supports fast charging and high-demand EV driving conditions
- Long Cycle Life: Stable capacity retention over repeated charge-discharge cycles
- Precision Manufacturing: Strict quality control for consistent cell performance and fit
- Automotive-Grade Durability: Built to withstand harsh EV operating environments
Specifications
- Cell Type: 21700 Cylindrical Lithium-Ion
- Chemistry: NCA (Nickel Cobalt Aluminum) / NCM (Nickel Cobalt Manganese)
- Nominal Voltage: 3.7V
- Nominal Capacity: 4600mAh (Typical)
- Dimensions: Diameter 21mm × Height 70mm
- Weight: ~68.6g
- Charge Cut-off Voltage: 4.2V
- Discharge Cut-off Voltage: 2.5V
- Internal Resistance: ≤22mΩ (AC 1kHz)
- Application: Tesla Model Y (2021–Present) Battery Pack
- OE Number: 1700012-99-B, 1137375-01-P
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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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