The Harnyss Oasis H2 is a long-duration energy storage system
combining supercapacitors, low-pressure hydrogen production and storage, and advanced energy management for uninterrupted, zero-carbon power with a 30+ year lifespan.
Designed for microgrids and critical infrastructure, it delivers scalable, safe, and sustainable power with low maintenance and high efficiency, ensuring resilient energy anywhere.
| 20-year performance with No End-of-Life degradation Warranty |
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| 25+ years Expected Life |
| 500,000 cycles No. of Cycles |
| 99.1% DC round trip Efficiency |
| 100% Depth of Discharge (DoD) |
| -30°C to 60°C Exposure to Extreme Temperature |
| Rapid Charge and Controlled Discharge |
| Non-chemical Will not overheat Safety |
| No Rare Earth elements. 100% Recyclable Environmentally Friendly |
| Minimal Operation & Maintenance costs O&M |
| Up to 10 Years with Limited Capacity Warranty |
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| 5-8 years Expected Life |
| 6,000 cycles (max) No. of Cycles |
| 80-90% DC round trip Efficiency |
| 70-80% Depth of Discharge (DoD) |
| 0°C to 50°C Exposure to Extreme Temperature |
| 1 hour Charge and Discharge |
| Risk of fire Safety |
| High Carbon Footprint. Recycling Issues. Environmentally Unfriendly |
| High O&M Costs O&M |
Cutting-edge energy solutions that maximize performance, eliminate risk, and power of cleaner, more resilient future.