
Discover HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor
A powerful lithium energy storage system for off-grid solar and whole-home backup power.
HELIOS ESS is a powerful and dependable 16 kWh Lithium Iron Phosphate (LiFePO4) Energy Storage System with advanced 4th generation Battery Management System (BMS). Backed by 75 years of battery expertise, it’s designed for residential and commercial energy solutions. Offering reliable performance, quick installation, and seamless configuration, the HELIOS ESS is perfect for Off-Grid Solar, Whole-Home Backup, and Micro-grids—delivering superior performance, reliability, and safety.
POWERFUL
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Continuous Discharge - 200 A.
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Continuous Power - 10.2 kW.
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Peak Power - 26 kW 10 sec.
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Up to 36 modules (579.6 kWh) in parallel with Closed-loop communication.
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Lifetime Energy Throughput - 94.4 MWh.
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10-Year Warranty, plus Energy Performance Guarantee.
ALL CLIMATE
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Indoor or Outdoor Installation - NEMA 3R / IP 65.
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Self-heating for operation in low-temperature conditions.
ADVANCED SAFETY
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Dual fire arrestors.
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Rapid Shut-down (RSD) using inverter RSD or independent emergency stop button, ESS disconnects, or inverter RSD.
EFFORTLESS INTEGRATION
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Compatible with 48 V inverter-chargers and solar charge controllers.
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Closed-loop communication with major inverter-charger brands.