21700 Cylindrical NCA/NCM Battery for Tesla Model 3 （2018 - Present OE#1104424-00-X /1234422-00-A

Specifications

Description

<p>1. Product Overview&nbsp;</p><p>This 21700 cylindrical lithium-ion battery (NCA/NCM chemistry) is a direct OEM replacement for Tesla Model 3 (2018–Present), matching OE numbers 1104424-00-X and 1234422-00-A. Engineered for high energy density, fast charging, and long cycle life, it’s built to Tesla’s original performance and safety standards, ideal for EV battery pack repair, replacement, and wholesale B2B supply.&nbsp;</p><p>2. Key Features</p><p>&nbsp;OEM-compatible: Direct fit for Tesla Model 3 2018–Present, OE#1104424-00-X / 1234422-00-A</p><p>High energy density: NCA/NCM cathode, 254+ Wh/kg, boosts range vs 18650 cells&nbsp;</p><p>Fast-charging capable: Supports Tesla Supercharger speeds</p><p>Robust safety: Ceramic-coated separator, thermal stability, automotive-grade protection</p><p>Long cycle life: 1000+ cycles at 80% capacity retention</p><p>Premium build: Panasonic/LG Chem-grade cylindrical 21700 format, 21mm×70mm</p><p>Low internal resistance: Stable discharge, minimal heat generation&nbsp;</p><p>3. Specifications</p><p>&nbsp;Cell Type: 21700 Cylindrical Li-ion (NCA / NCM)</p><p>Nominal Voltage: 3.66V</p><p>Nominal Capacity: 4.78Ah (17.5Wh)</p><p>Dimensions: Ø21mm × 70mm</p><p>Weight: ~68.6g</p><p>Energy Density: ~254.8 Wh/kg&nbsp;</p><p>Chemistry: NCA (Ni:Co:Al=90:5:5) / NCM (high-nickel 811)&nbsp;</p><p>Anode: Graphite + SiOx (3.5wt%)</p><p>Separator: 10μm PE with ceramic coating</p><p>Max Charge Voltage: 4.2V</p><p>Cut-off Voltage: 2.5V</p><p>Operating Temp: -20°C to 60°C</p><p>Cycle Life: ≥1000 cycles (80% capacity)</p><p>Fitment: Tesla Model 3 (2018–Present)</p><p>OE Numbers: 1104424-00-X, 1234422-00-A</p><p><br/></p>