21700 Cylindrical NCA/NCM Battery for Tesla Model 3 (2018-2026, Drive Unit Module) OE#1234424-00-A
Specifications
Details
Product description
Product Overview
This 21700 cylindrical NCA/NCM ternary lithium-ion battery cell is a direct OEM replacement, specifically engineered for Tesla Model 3 (2018-2026) with exclusive OE part number 1234424-00-A. Adopting premium NCA/NCM dual cathode material consistent with Tesla’s original 21700 battery specifications—used in Model 3 Standard Range Plus, Long Range and Performance editions with 50-82kWh battery packs—it delivers higher energy density, more stable electrical performance and superior single-cell consistency compared to traditional 18650 cells. It perfectly matches the original battery module structure, vehicle BMS (Battery Management System), and Tesla’s proprietary liquid cooling thermal management system, widely applied for Tesla Model 3 battery pack repair, module refurbishment, capacity recovery and aftermarket replacement, complying with strict automotive-grade reliability standards and meeting B2B OEM/aftermarket demands. It is compatible with Tesla Model 3’s 350-380V battery pack system, ensuring efficient power delivery and adaptability to the supercharger network.
Key Features
- Exact OE replacement with part number 1234424-00-A, fully compatible with Tesla Model 3 (2018-2026) original battery packs that use 21700 cylindrical cells—the upgraded, high-efficiency cell format that replaced 18650 cells for Tesla’s mass-market Model 3.
- Standard 21700 cylindrical form factor (21mm diameter × 70mm height), equipped with premium NCA/NCM dual ternary lithium cathode material as original OEM specification—NCA/NCM chemistry balances high energy output and stable performance, tailored for Tesla Model 3’s diverse single/dual-motor powertrain configurations and various battery pack capacities.
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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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