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HELIOS Energy Storage System | 16.1kWh | Heated | UL9540

HELIOS Energy Storage System | 16.1kWh | Heated | UL9540

Whole-Home Backup Power | Off-Grid Power

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Best Cost/kWh on the Market

  • 16kWh usable capacity (51.2V, 314Ah)
  • 200A continuous charge/discharge (300A peak)
  • Built-in heating (-25°C to 55°C operation)
  • Indoor or outdoor mounting
  • 10-year warranty | 93 MWh throughput guarantee
  • 6,000+ cycle life with LiFePO4 chemistry

$4,697.00 CAD
$5,451.00 CAD $4,697.00 CAD
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Powerful. Scalable. Reliable.
HELIOS ESS – 16 kWh / 51.2 V / 314 Ah, 200 A charge/discharge, IP65-rated, heated, expandable to 580 kWh, UL 9540/UL 1973 certified. Ideal for off-grid, backup, and light‑commercial solar systems

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Why Choose HELIOS Energy Storage System | 16.1kWh | Heated | UL9540?

Complete Whole-Home Backup Power

Keep your entire home running during power outages. Powers everything from lights and refrigerators to HVAC systems and medical equipment. Perfect for grid-tied homes that need reliable backup during storms, rolling blackouts, or unexpected outages.

Best Cost/kWh on the Market

Industry-leading total cost of ownership with 6,000+ cycle life. Lower upfront cost per kWh than competing lithium systems. 93 MWh lifetime throughput guarantee means your investment delivers maximum value over its 10-year warranty period.

Built for Canadian Climate, Local Canadian Tech Support

Automatic heating extends the operating range to -25°C to 55°C,
protecting your investment through harsh Canadian winters. Operates reliably year-round. UL 1973, UL 9540A certified. Canada-based Discover Energy Systems and Canadian Energy are available to provide technical support along the way

Ships from Canadian inventory with local technical support.

Simple Installation

  • Plug-and-play design - CAN-bus integration with compatible inverters
  • Flexible mounting - Wall or floor mount options
  • Installation support available from our Canadian technical team

Expandable as Your Needs Grow

Start with 16kWh, scale up to 579.6kWh

  • Single unit: 16kWh capacity
  • Multiple units: Scale from essential backup to whole-home power
  • Up to 36 units: 579.6kWh for commercial/off-grid applications

Parallel-ready architecture makes expansion simple when you're ready.

Seamless Inverter Integration

HELIOS features advanced CAN-bus communication for closed-loop integration with leading inverter brands. Featured partners: Sol-Ark and Solis for optimized whole-home backup systems.

Sol-Ark IntegrationSolis Integration

Technical Specs

16 kWh capacity (51.2 V, 314 Ah)
200 A continuous charge/discharge, 300 A peak
10 kW continuous, 19 kW peak output
93 MWh lifetime energy throughput guarantee
Internal heating (auto-activates from –25 °C to 8 °C)
Built-in 200 A breaker (single-pole)
Safe LiFePO₄ cells with dual fire arrestors and RSD emergency stop
IP65 / NEMA 3R outdoor-rated enclosure
Advanced 4th-gen BMS with dynamic charging and top-balancing
Seamless CAN‑bus integration with compatible inverters
Wall-mountable with parallel-ready cable kit included
Scalable up to 36 modules / 579.6 kWh
Certified: UL 1973, UL 9540A, UN 38.3, CE (UL 9540 pending)
10-year warranty with performance guarantee

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