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Discover Energy HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor Battery Discover Energy

Discover Energy HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor

BY: Discover Energy SKU: 52-48-16000 Availability: In Stock
$5,600.00

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Discover HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor

The Discover HELIOS ESS LiFePO4 Battery is a premium, high-capacity outdoor-rated energy storage system designed to deliver reliable power for residential and commercial applications. With 16.1 kWh of usable storage, a rugged IP65-rated outdoor enclosure, and advanced lithium iron phosphate (LiFePO4) chemistry, the HELIOS battery is perfect for whole-home backup, off-grid systems, or scalable hybrid solar configurations. It integrates seamlessly with leading inverter brands and is engineered for safe, efficient, and long-lasting operation in all climates.

Discover HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor Features

High-Capacity Outdoor Energy Storage

16.1 kWh of usable capacity with 314 Ah of lithium power—ideal for whole-home backup or large solar installations.

51.2V LiFePO4 Chemistry

Safe, stable, and maintenance-free lithium iron phosphate cells deliver high cycle life and consistent energy performance.

Rugged IP65 Outdoor Enclosure

Designed for extreme weather conditions with a waterproof and dustproof shell—no need for indoor storage or additional protection.

Smart Integrated BMS

Monitors voltage, temperature, and charge levels in real time while protecting against overvoltage, short-circuit, and thermal events.

Compatible with Leading Inverters

Supports CAN/RS485 protocols for direct communication with hybrid and off-grid inverters including Sol-Ark, Schneider, Growatt, and more.

Scalable & Stackable

Add additional units in parallel to increase total storage capacity for residential, commercial, or microgrid applications.

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Discover HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor Applications

  • Whole-home solar backup systems - Powers critical appliances and circuits during outages while seamlessly recharging from your solar array.
  • Off-grid homes and cabins - A reliable energy source in remote locations without grid access—perfect for full-time off-grid living.
  • Commercial and agricultural facilities - Supports backup and load shifting for businesses, barns, or greenhouses requiring consistent power.
  • Hybrid energy systems - Integrates with inverter systems for daily solar self-consumption, backup, or grid-assisted energy use.
  • Scalable residential battery banks - Expandable solution for homeowners planning long-term energy independence with multiple units.
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What's Included

Everything you need is included with your product.

  • Discover HELIOS ESS LiFePO4 Battery (16.1 kWh, 314Ah, Outdoor)
  • User Manual

Discover HELIOS ESS LiFePO4 Battery 16.1 kWh 51.2V 314 Ah Outdoor Specifications

ELECTRICAL SPECIFICATIONS

Category Specifications
Nominal Voltage 51.2 V
Energy 16,080 Wh
Nominal Capacity 314 Ah
Charge Bulk Voltage - Bulk Vdc 55.2 – 56.8 V
Charge Absorption Voltage - U1 MAX 55.2 – 56.8 V
Charge Float Voltage - U2 53.6 V
Charge Termination Current (a) 5 A
Low Voltage Disconnect Recommended 48 V
Low Voltage Disconnect (b) 43.2 V
Max Continuous Charge Current (c) 200 A
Max Continuous Discharge Current (c) 200 A
Peak Discharge Current (15 seconds) 300 A RMS
Self Discharge Current (operation) ≤ 25 mA
Self Discharge Current (battery OFF) ≤ 4 mA
Breaker Type Single-Pole (positive only) 200 A breaker (CVP-RH-P2BD5-D200-LT)
Maximum Short Circuit Fault Current (IBF / ½ IBF) 7.16 kA (100 ms) / 3.58 kA (100 ms)
Arc Flash Incident Energy IEm 0.310 Cal/cm²
Arc Flash Incident Energy AFB 239 mm (9.41 in)

MECHANICAL SPECIFICATIONS

Category Specifications
Height (A) 900 mm (35.43 in)
Width (B) 465 mm (18.31 in)
Depth - body only (C) 247 mm (9.72 in)
Depth (including Wall-Mount bracket) 271 mm (10.7 in)
Terminal Quick Connect Plug and Pull Terminal
Weight 136 kg (299.83 lb)
IP Rating IP65
Case Material Galvanized Steel Sheet
Certifications UN38.3, UL 1973, UL 9540A, UL 9540 DC ESS 3rd Edition (Pending)

Frequently-Asked Questions

Can this battery be installed outdoors without extra housing?

Yes. The HELIOS battery includes a fully weather-sealed, IP65-rated outdoor enclosure that protects it from dust, rain, snow, and extreme temperatures.

What inverters is it compatible with?

It supports CAN and RS485 communication protocols, making it compatible with most leading inverter brands such as Sol-Ark, Growatt, and Schneider.

Is it expandable?

Yes. Multiple HELIOS batteries can be connected in parallel to increase overall system capacity for larger storage needs.

Is there a heating function for sub-zero temperatures?

This model is built for outdoor durability but does not include internal heating. It is best used in environments above 0°C unless supplemental protection is provided.

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