Great Power · utility-scale
Great Power Max-20HC-3720-1P
shipping20 ft containerDC blockliquid-cooledLFPBNEF Tier 1
Everything below comes from what Great Power publishes about the Max-20HC-3720-1P: 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 |
|---|---|---|---|
| 3.727 MWh 1P/1C (≤1860 kW ×2) | 3.727 MWh | 3.72 MW | 1 h |
Specifications
| Cell chemistry | LFP |
|---|---|
| Cell capacity | not published |
| Cell configuration | not published |
| Cell supplier | not published |
| Form factor | 20 ft container |
| Block type | DC block |
| PCS integrated | no |
| DC voltage | 1164.8–1497.6 (nominal 1331.2) V |
| Cooling | liquid-cooled |
| Ingress protection | not published |
| Operating temperature | not published |
| Dimensions (L × W × H) | not published |
| Weight | not published |
| Energy density | not published |
| Round-trip efficiency | 92% |
| Cycle life | not published |
| Calendar life | not published |
| Warranty | not published |
| Fire suppression | not published |
| Generation | 2025 |
| Announced | not published |
Key facts
- 1-hour (1P/1C) DC container for frequency-regulation duty on grid and generation side
- Rated 3.727 MWh, DOD 0–100%; two centralized DC circuits, rated 1400 A and max 1600 A (≤5 min) per circuit
- Round-trip efficiency ≥92% at ≤1P (DC)
- Listed only on the Chinese product page and in the June 2026 brochure; cell size, IP rating, weight, dimensions and certifications not published
What Great Power 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 capacityCell configurationCell supplierIngress protectionOperating temperatureDimensions (L × W × H)WeightEnergy densityCycle lifeCalendar lifeWarrantyFire suppressionAnnounced
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Sourcing quote for Great Power Max-20HC-3720-1P
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: Great Power — Company Introduction brochure, June 2026 (PDF), p. 58 · Great Power — 大型储能系统 (CN product page)