Discover HELIOS ESS Battery 16.1kWh 51.2V 314Ah 52-48-16000 Outdoor
The Helios ESS Battery 16.1 Kwh 51.2V 314 Ah Outdoor is a premium lithium energy storage system designed for high-performance and long-lasting reliability in both off-grid and grid-connected renewable energy applications. Engineered with LiFePO4 (lithium iron phosphate) chemistry, this outdoor-rated unit offers enhanced safety, stability, and efficiency, making it ideal for residential, commercial, and light industrial use.
With a nominal capacity of 16.1 kWh and 51.2V voltage, the Helios battery provides consistent power output and seamless compatibility with major inverter brands. Its smart Battery Management System (BMS) ensures protection against overcharging, deep discharge, and temperature variations, maximizing the lifespan and performance of your energy system.
Designed for scalability, the modular layout allows users to expand storage as needed—supporting growing energy demands with ease. Plus, with built-in remote monitoring capabilities, the Helios makes system oversight, maintenance, and diagnostics simple and effective from anywhere.
Key Benefits
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High-Capacity Storage: 16,080Wh of usable energy supports large residential or commercial loads.
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Powerful Output: Delivers 10kW continuous and 19kW peak power for surge-intensive appliances.
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Weatherproof & Outdoor Ready: IP65-rated steel enclosure with built-in self-heating for cold climates.
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Fast & Flexible Setup: Wall-mount bracket and plug-and-play terminal simplify installation.
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Scalable Design: Connect up to 36 units (579.6kWh) in parallel for large-scale energy projects.
Special Technology
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4th Generation BMS: Enhances safety, efficiency, and performance with active protection and real-time system management.
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Closed-Loop Communication: CAN protocol integration with hybrid inverters ensures optimal charging and discharging.
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Rapid Shutdown Integration: Built-in fire arrestors and E-stop provide compliance and safety in critical applications.
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Arc Flash Safe: Low incident energy and arc flash boundary improve installation safety.
Best Use
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Whole-home solar backup systems
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Off-grid energy storage and microgrid setups
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Commercial solar + storage projects
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Cold-weather energy storage (down to -13°F)
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Installations with Sol-Ark 15K or hybrid inverters
Warranty
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10-Year Product Warranty
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Energy Performance Guarantee – Backed by a 93 MWh lifetime throughput rating.
Specifications
| Category | Details |
|---|---|
| Model | 52-48-16000 |
| Energy Capacity | 16,080Wh |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 314Ah |
| Max Continuous Charge/Discharge | 200A (10.24kW) |
| Peak Power (10s) | 19kW (300A) |
| BMS | 4th Generation Integrated |
| Self-Heating System | Yes (operates to -13°F / -25°C) |
| Breaker | 200A Single-Pole |
| Short Circuit Current Rating | 7.16kA (100 ms) |
| Arc Flash Incident Energy | 0.310 cal/cm² (AFB: 9.41 in) |
| Dimensions (inches) | 35.43 x 18.31 x 10.7 (H x W x D) |
| Weight | 299.83 lbs |
| Enclosure Rating | IP65 – Galvanized Steel |
| Mounting Type | Wall Mount (Quick Connect) |
| Certifications | UL1973, UL9540A, UL9540 (pending), UN38.3 |
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