21700 Cylindrical NCA/NCM Battery for Tesla Model Y （2021 - Present）OE#1666969-24-E /1666968-99-C

Specifications

Description

<p>1. Product Overview&nbsp;</p><p>This is a high-performance 21700 cylindrical lithium-ion battery pack (NCA/NCM chemistry) designed as an OEM replacement for Tesla Model Y (2021–Present). It matches OE numbers 1666969-24-E and 1666968-99-C, delivering factory-equivalent energy density, power output, and thermal stability. Built for long-range EV applications, it ensures reliable performance, fast charging compatibility, and seamless fitment for Tesla Model Y electric vehicles.</p><p>2. Key Features</p><p>&nbsp;OEM-grade fitment for Tesla Model Y (2021–Present), direct replacement for OE#1666969-24-E / 1666968-99-C</p><p>21700 cylindrical format (21mm × 70mm), NCA/NCM lithium-ion chemistry for high energy density (~300Wh/kg)</p><p>Superior power density and fast-charging capability, optimized for Tesla’s BMS and thermal management</p><p>Robust cycle life, low self-discharge, and consistent performance across -20°C to +60°C</p><p>Precision-engineered for OEM-level safety, reliability, and vehicle integration</p><p>Direct drop-in replacement, no modifications required for installation</p><p>3. Specifications</p><p>&nbsp;Cell Type: 21700 Cylindrical Lithium-Ion (NCA/NCM)</p><p>Nominal Voltage: 3.7V (single cell); 360V (pack)</p><p>Nominal Capacity: 4.8–5.3Ah (single cell); ~75–85kWh (pack)</p><p>Dimensions (Cell): Diameter 21mm × Height 70mm</p><p>Chemistry: NCA (Ni:Co:Al = 90:5:5) / NCM (high-nickel)</p><p>Energy Density: ~290–300Wh/kg</p><p>Max Charge Voltage: 4.2V</p><p>Cut-off Discharge Voltage: 2.5V</p><p>Operating Temp: Discharge: -20°C to +60°C; Charge: 0°C to +45°C</p><p>Applications: Tesla Model Y (2021–Present), OEM replacement battery pack</p><p>OE Numbers: 1666969-24-E, 1666968-99-C</p><p><br/></p>