LG E78-2P12S Lithium-Ion Battery Module

LG E78-2P12S Lithium-Ion Battery Module – OEM-Grade Energy, Ready for EV Integration

Built for serious power systems and advanced EV applications, the LG E78-2P12S Lithium-Ion Battery Module is a high-efficiency, high-capacity pack engineered with premium LG 21700 cells in a 2P12S configuration. Delivering a robust energy profile in a compact footprint, this module is ideal for electric vehicles, energy storage systems, and industrial mobile power solutions.

Technical Highlights:

• 43.2V Nominal Voltage (12S Configuration)

• 5.0Ah Capacity (2P) – LG E78 21700 cells (5000mAh per cell)

• ~216Wh Total Energy Output

• Max Continuous Discharge: 50A

• Max Charge Voltage: 50.4V / Cutoff: 36.0V

• Integrated Thermal Monitoring Harness

Engineered for Demanding Systems

Each LG E78-2P12S module is factory-built with OEM precision and internal spot-welded connections, ensuring low resistance, minimal voltage drop, and strong thermal performance. These modules are perfect for building scalable, high-voltage packs with consistent behavior under load.

• High-Grade LG M50LT Cells – Trusted for durability and cycle life

• Compact, Stackable Housing – Ideal for modular builds

• Thermistor Equipped – Real-time temperature monitoring for advanced BMS integration

• Pre-assembled Bus Bars & Balance Leads – Simplifies wiring and pack design

Applications:

• Electric Vehicle Conversions (Motorcycles, Karts, Compact EVs)

• Off-Grid Solar Battery Storage

• Robotics & Industrial Mobility

• Backup Power & Portable Energy Systems

Built for Builders – Backed by EVSource

At EVSource.com, we stock only authentic, high-quality LG modules with verified specs and traceable sourcing. The LG E78-2P12S gives you OEM-level performance with DIY flexibility—perfect for engineers, fabricators, and high-power hobbyists who demand precision and reliability.

Need Custom Pack Design or BMS Recommendations?
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