21700 Cylindrical NCA/NCM Battery for Tesla Model 3 (2018-2026)OE#1666969-24-E
Specifications
Description
<p>Product Overview</p><p>This 21700 cylindrical NCA/NCM ternary lithium-ion battery cell is direct OEM replacement engineered for Tesla Model 3 (2018-2026) with exclusive OE part number 1666969-24-E. Adopting original NCA/NCM composite cathode chemistry matching Tesla factory 21700 cell standard, it delivers superior energy density, stable high-current discharge performance and excellent single-cell consistency. It fully adapts to original battery module structure, vehicle BMS system and proprietary liquid cooling thermal management system. Widely applied for Tesla Model 3 battery pack repair, module refurbishment, capacity restoration and aftermarket replacement, meeting automotive-grade reliability and global B2B wholesale requirements.</p><p>Key Features</p><p>Exact OEM replacement with OE part number 1666969-24-E, full compatibility with Tesla Model 3 (2018-2026) original 21700 battery packs.</p><p>Standard 21700 cylindrical dimension (21mm diameter × 70mm height), premium NCA/NCM ternary cathode material.</p><p>Ultra-high energy density, steady power output supporting vehicle driving range and acceleration performance.</p><p>Low internal resistance, ultra-low self-discharge rate and long stable cycle life.</p><p>Perfect adaptation to Tesla liquid cooling system and original BMS for safe high-power operation.</p><p>Outstanding single-cell consistency for series-parallel combination in EV battery module assembly.</p><p>No memory effect, random shallow charge-discharge allowed to extend overall pack lifespan.</p><p>Strict automotive-grade quality control, durable performance for long-term aftermarket and OEM supply.</p><p>Specifications</p><p>Battery Type: 21700 Cylindrical NCA/NCM Ternary Lithium Battery Cell</p><p>OE Part Number: 1666969-24-E</p><p>Compatible Vehicle: Tesla Model 3 (2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026)</p><p>Nominal Voltage: 3.7V</p><p>Nominal Capacity: 5350mAh</p><p>Charging Cut-off Voltage: 4.2V</p><p>Discharging Cut-off Volt
Products Description
Product Overview
This 21700 cylindrical NCA/NCM ternary lithium-ion battery cell is direct OEM replacement engineered for Tesla Model 3 (2018-2026) with exclusive OE part number 1666969-24-E. Adopting original NCA/NCM composite cathode chemistry matching Tesla factory 21700 cell standard, it delivers superior energy density, stable high-current discharge performance and excellent single-cell consistency. It fully adapts to original battery module structure, vehicle BMS system and proprietary liquid cooling thermal management system. Widely applied for Tesla Model 3 battery pack repair, module refurbishment, capacity restoration and aftermarket replacement, meeting automotive-grade reliability and global B2B wholesale requirements.
Key Features
Exact OEM replacement with OE part number 1666969-24-E, full compatibility with Tesla Model 3 (2018-2026) original 21700 battery packs.
Standard 21700 cylindrical dimension (21mm diameter × 70mm height), premium NCA/NCM ternary cathode material.
Ultra-high energy density, steady power output supporting vehicle driving range and acceleration performance.
Low internal resistance, ultra-low self-discharge rate and long stable cycle life.
Perfect adaptation to Tesla liquid cooling system and original BMS for safe high-power operation.
Outstanding single-cell consistency for series-parallel combination in EV battery module assembly.
No memory effect, random shallow charge-discharge allowed to extend overall pack lifespan.
Strict automotive-grade quality control, durable performance for long-term aftermarket and OEM supply.
Specifications
Battery Type: 21700 Cylindrical NCA/NCM Ternary Lithium Battery Cell
OE Part Number: 1666969-24-E
Compatible Vehicle: Tesla Model 3 (2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026)
Nominal Voltage: 3.7V
Nominal Capacity: 5350mAh
Charging Cut-off Voltage: 4.2V
Discharging Cut-off Voltage: 2.75V
Cell Size: 21mm (Diameter) × 70mm (Height)
Cathode Material: Nickel Cobalt Aluminum/Nickel Cobalt Manganese (NCA/NCM)
Anode Material: High-density artificial graphite
Continuous Discharge Rate: 1.2C
Cycle Life: ≥1320 charge-discharge cycles (80% capacity retention)
Internal Resistance: ≤27mΩ
Energy Density: 311Wh/kg
Discharge Operating Temperature: -20℃ ~ 60℃
Charge Operating Temperature: 0℃ ~ 45℃
Application: Tesla Model 3 Battery Module Repair, Pack Refurbishment, Aftermarket Replacement
