18650 Battery Pack for Tesla Model Y 1st Gen (2020–2021)

Product Overview

This product is a high-performance 18650 cylindrical NCA (Nickel Cobalt Aluminum) ternary lithium-ion battery pack, exclusively designed for the first-generation Tesla Model Y (2020–2021). It features a 75 kWh usable capacity (gross 82 kWh), serving as the original long-range power source for the Model Y Long Range and Performance variants. Manufactured by Panasonic, this battery pack integrates thousands of high-density 18650 NCA cells, paired with Tesla's sophisticated Battery Management System (BMS) and integrated liquid thermal management. Engineered for the Model Y's compact SUV platform, it delivers exceptional energy density, stable power output, and long-term durability, enabling the vehicle's impressive all-electric range and dual-motor all-wheel-drive performance.

Key Features

• High-Energy NCA Chemistry: Utilizes Nickel-Cobalt-Aluminum (NCA) ternary cathode material, providing an industry-leading pack-level energy density of approximately 250 Wh/kg for maximum driving range.
• 18650 Cylindrical Cell Format: Robust, mass-produced cylindrical cells (18mm diameter × 65mm length) offering consistent quality, high power discharge efficiency, and proven reliability.
• Optimized 75 kWh Capacity: Single high-capacity variant (usable 75 kWh) specifically engineered for the 2020–2021 Model Y Long Range & Performance, balancing range and weight.
• High-Voltage Platform: Nominal pack voltage of 350V (347.8V typical), optimized for efficient power delivery to dual electric motors.
• Advanced Liquid Thermal Management: Active liquid cooling and heating system maintains optimal cell temperature (20–45°C), ensuring performance in extreme climates and extending cycle life.
• Precision Battery Management System (BMS): Real-time monitoring of individual cell voltage, current, and temperature, ensuring balanced charging, superior safety, and maximum pack longevity.