HiTHIUM · utility-scale
HiTHIUM ∞Power 6.25MWh
shipping20 ft containerDC blockliquid-cooledLFP · 1175 AhBNEF Tier 1
Everything below comes from what HiTHIUM publishes about the ∞Power 6.25MWh: the datasheet, the product page and press releases. Where a figure is not published, the field says so — we do not estimate.
Variants
Energy figures are nominal (beginning of life) as published by the manufacturer. One model, several duration options — the same enclosure with different power ratings.
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 6.25 MWh 2h (587 Ah cells, 8*1P416S, 0.5P) | 6.25 MWh | 3.125 MW | 2 h |
| 6.25 MWh 4h (1175 Ah cells, 4*1P416S, 0.25P) | 6.25 MWh | 1.562 MW | 4 h |
Specifications
| Cell chemistry | LFP |
|---|---|
| Cell capacity | 1175 Ah |
| Cell configuration | 4*1P416S (4h) / 8*1P416S (2h) |
| Cell supplier | not published |
| Form factor | 20 ft container |
| Block type | DC block |
| PCS integrated | no |
| DC voltage | 1040–1500 (nominal 1331.2) V |
| Cooling | liquid-cooled |
| Ingress protection | IP55 |
| Operating temperature | -30…55 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm |
| Weight | 48 t |
| Energy density | 130 Wh/kg |
| Round-trip efficiency | 95% |
| Cycle life | not published |
| Calendar life | not published |
| Warranty | not published |
| Fire suppression | multi-stage active fire detection and protection system (NFPA 855 compliant); type of agent not specified in datasheet |
| Generation | ∞Pack+ platform (2024) |
| Announced | 2024-12 |
Certifications
UL 1973UL 9540AUL 9540NFPA 855UN 38.3IEC 62619IEC 62620IEC 62477IEC 63056IEC 61000IEC 62933
Key facts
- Two cell builds on one 20ft platform: 587 Ah cells for the 2h build (0.5P, RTE ≥94% DC) and 1175 Ah cells for the 4h build (0.25P, RTE ≥95% DC), 25 °C ±2 °C test conditions
- Nominal 6,250 kWh, 1,331.2 V nominal / 1,040–1,500 V operating, maximum weight 48,000 kg, IP55, -30…55 °C ambient
- Datasheets (2025, marked Preliminary; certifications marked 'in progress'): US version lists UL 1973 / UL 9540A / UL 9540 / NFPA 855; EU version adds IEC 62619 / 62620 / 62477 / 63056 / 61000 / 62933; both UN 38.3, RoHS, REACH, EU Battery Regulation 2023/1542
- Product page (2026) lists ≥142 Wh/kg / ≥146 Wh/L for the 4h build and ≥130 Wh/kg / ≥145 Wh/L for the 2h build; the 2025 datasheets list ≥130 Wh/kg / ≥145 Wh/L for both
- First 12 units of the 4h build shipped to Germany in Oct 2025; open-door large-scale fire test of the 4h system completed under UL 9540A:2025 / NFPA 855-2026 supervision (Feb 2026); power figures in variants derived from stated P-rate × nominal energy
What HiTHIUM does not publish for this model
These fields are empty because no public datasheet or release states them. That is information too: ask for these numbers before you shortlist.
Cell supplierCycle lifeCalendar lifeWarranty
Price signal
$68–88/kWh
Estimate against market benchmarks (China H1 2026 tenders averaging $75–84/kWh; FOB-China for Europe $71–89/kWh) — Hithium publishes no prices. Ex-works DC block; the vendor claims up to 15% lower system cost versus the 314Ah generation. In February 2026 it ran the industry's first open large-scale fire test of a 6.25 MWh container on kAh-class cells.
From the Coloprice BESS Price Index — a benchmark, not an offer. See the index for how each figure was collected. See the BESS Price Index →
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Sourcing quote for HiTHIUM ∞Power 6.25MWh
Coloprice is published by Dream View, a China-sourcing company. For commercial-scale projects we buy BESS containers factory-direct — verified manufacturer, certification review, pre-shipment inspection, export and freight — for a flat 10% fee.
Sources: HiTHIUM — Utility System product page · HiTHIUM datasheet ∞Power 6.25 MWh 4h, US, Sep 2025 (Wayback archive of hithium.com PDF) · HiTHIUM datasheet ∞Power 6.25 MWh 2h, US, Sep 2025 (Wayback archive of hithium.com PDF) · HiTHIUM datasheet ∞Power 6.25 MWh 4h, EU, Aug 2025 (Wayback archive of hithium.com PDF) · HiTHIUM product brochure (PDF) · Press release — global launch ∞Power 6.25MWh 2h/4h (Dec 2024) · Press release — EU version launch (May 2025) · Press release — first 6.25MWh 4h shipment to Europe (Oct 2025) · Press release — open-door fire test of 6.25MWh 4h (Feb 2026)