Product Overview

The SK E777 is a premium pouch-type lithium-ion battery cell, designed specifically for electric vehicle (EV) applications. With a nominal voltage of 3.65V (3.7V nominal), standard discharge capacity ≥77.7Ah, and energy ≥283.6Wh, it supports high-rate charge/discharge (39A max charge / 77.7A max continuous discharge) and operates stably across a wide temperature range (-30℃ to 60℃). Its compact pouch form factor (530×99.75×8.6mm) and 1070±21.4g weight make it easy to integrate into custom battery packs, delivering consistent performance for automotive and energy storage use cases.

Key Features

• Genuine SK Quality: 100% authentic SK E777 cells, manufactured to the official E777 specification (v2.0), with strict quality control for EV-grade reliability.

• High Capacity & Energy Density: ≥77.7Ah capacity (≥283.6Wh energy), providing long runtime for electric vehicles and high-demand applications.

• High-Rate Performance: Supports 39A max continuous charge and 77.7A max continuous discharge, meeting the high-power demands of electric vehicles.

• Wide Temperature Adaptability: Stable operation from -30℃ to 60℃, suitable for diverse climates and harsh operating environments.

• Pouch Form Factor: Flexible, lightweight pouch design (530×99.75×8.6mm, 1070±21.4g), easy to assemble into custom battery packs for EVs and energy storage.

• EV-Grade Safety: Compliant with automotive-grade safety standards, with defined overcharge/overdischarge cutoffs (4.3V max charge / 2.0V min discharge) to protect system integrity.

• Recommended Applications

• Engineered for automotive-grade use, the SK On E777 is ideal for:

• Electric Vehicles (EVs): Primary power core for passenger EVs, commercial electric vehicles, and hybrid vehicles, meeting strict automotive safety and performance standards.

• Custom Battery Packs: Suitable for assembling high-capacity battery packs for energy storage, electric mobility, and industrial applications.

• Automotive Energy Storage: Backup and auxiliary power systems for electric and hybrid vehicles, leveraging its wide-temperature and high-rate capabilities.

• Why Source SK E777 From Joyvolte Energy ?

• Authorized SK Supply: Genuine E777 cells sourced directly from SK On, with full access to official specifications and documentation.

• Strict Quality Control: Pre-shipment testing for capacity, voltage, and performance, ensuring zero defective products.

• Flexible MOQ & Bulk Pricing: Competitive pricing for large-scale orders, with flexible minimum order quantities to fit EV manufacturers and battery pack assemblers.

• Global Shipping & Compliance: Professional packaging for safe transport, with full support for regulatory compliance in automotive markets.

• 24/7 Technical Support: Prompt quotes, stock updates, and technical consultation for battery pack design and integration.

• Ready to get the SK E777 pouch battery cell for your electric vehicles or battery packs?

  Contact us today for custom quotes, bulk pricing, and stock availability—we respond to all inquiries within 24 hours!