Discover Energy Systems HELIOS ESS Battery | 16.1 kWh Capacity | 51.2V | 314 Ah | Outdoor Wallmount LiFePO4 Battery

The Discover Helios 52-48-16000 Energy Storage System (ESS) is a high-performance 48-volt lithium-ion battery engineered for residential, commercial, and off-grid renewable-energy systems. Delivering 16 kWh of usable capacity, it provides dependable, long-lasting power using advanced lithium iron phosphate (LiFePO4) chemistry for superior safety, efficiency, and cycle life.

Its modular, stackable design makes expansion simple as energy needs grow. The integrated Battery Management System (BMS) continuously monitors cell health, optimizing performance and protecting against over-charge, over-discharge, short circuits, and temperature extremes. Designed for seamless compatibility with leading hybrid inverters such as Sol-Ark, EG4, and Growatt, the Helios ESS ensures easy integration and reliable operation in virtually any system.

Key Features

• 16 kWh nominal capacity in a 48 V configuration
• Modular and scalable design for flexible system sizing
• Lithium iron phosphate (LiFePO4) chemistry for maximum safety and longevity
• Intelligent BMS with complete protection and optimization controls
• Compatible with major inverter brands for versatile applications
• Remote monitoring capability for real-time system insight
• Designed for thousands of cycles and backed by a robust manufacturer warranty

Specifications

Nominal Voltage: 51.2 V
Energy Capacity: 16 kWh
Nominal Capacity: 314 Ah
Charge Voltage (Bulk): 55.2 – 56.8 V
Maximum Continuous Charge Current: 200 A
Maximum Continuous Discharge Current: 200 A
Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
Certifications: UN38.3, UL 1973, UL 9540A, UL 9540 DC ESS 3rd Edition (Pending)
Terminal Type: Quick-Connect Plug-and-Pull
Weight: 299.83 lbs (136 kg)
Dimensions (L × W × H): 35.43 × 18.31 × 9.72 in (900 × 465 × 247 mm)

Applications

• Whole-home backup and off-grid solar systems

• Commercial and industrial energy storage

• Time-of-use load shifting and peak shaving

• Microgrid and backup-power installations

Discover 52-48-16000 Brochure: Download

Discover 52-48-16000 Data Sheet: Download 

Discover Helios 52-48-16000 Manual: Download

Discover Helios Conduit Box Manual: Download

Discover Helios Purchase sheet: Download

Discover Helios Lynk Cloud Setup Guide: Download

Discover Helios Warranty: Download

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