BESS comparison
Great Power Max-20HC-5000 vs HyperStrong HyperBlock M (AC version)
Both columns come from what Great Power and HyperStrong publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
Great Power
Max-20HC-5000
5 MWh
20 ft containerliquid-cooledLFPshipping
HyperStrong
HyperBlock M (AC version)
12.8 MWh
modular blockliquid-cooledLFPshipping
Specifications side by side
| Field | Great Power Max-20HC-5000 | HyperStrong HyperBlock M (AC version) |
|---|---|---|
| Max energy per enclosure | 5 MWh | 12.8 MWh |
| Max power per enclosure | 2.5 MW | 3.2 MW |
| Published durations | 2 h | 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 314 Ah | 601 Ah |
| Cell configuration | 1P416S ×12 | 8P416S / 16P416S |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | modular block |
| Block type | DC block | AC block (PCS integrated) |
| PCS integrated | no | yes |
| DC voltage | 1164.8–1497.8 V | 1123.2–1497.6 (rated 1331.2) V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | Container IP55, Pack IP65, PDU IP55 |
| Operating temperature | -35…60 (discharge), -30…50 (charge) °C | -30…55 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 46 t | 24 t |
| Energy density | not published | not published |
| Round-trip efficiency | 95% | 93% |
| Cycle life | not published | 10,000 · >10000cls@SOH70%, 0.5P, to achieve up to 20 years of operation life guarantee |
| Calendar life | not published | 20 y |
| Warranty | not published | not published |
| Fire suppression | aerosol + water | Combustible gas detection, temperature sensor, smoke detection, cabin level aerosols, deflagration venting panels, water fire protection |
| Generation | 2024 | MagicBlock platform, 2025 |
| Announced | 2024-09 | 2025-05 |
| Certifications | GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A | EN50549, EN61000, G99, IEC60730, IEC62477, IEC62619, IEC62933, IEEE1547, NFPA855/68/69, UL1741, UL1973, UL9540, UL9540A, UN38.3, VDE4110, VDE4120 |
| Public datasheet | yes | yes |
Where they differ
Only fields both manufacturers publish and where the values are not identical. Not a judgement — the right choice depends on the project.
- Max energy per enclosure: Max-20HC-5000 — 5 MWh; HyperBlock M (AC version) — 12.8 MWh
- Max power per enclosure: Max-20HC-5000 — 2.5 MW; HyperBlock M (AC version) — 3.2 MW
- Published durations: Max-20HC-5000 — 2 h; HyperBlock M (AC version) — 4 h
- Cell capacity: Max-20HC-5000 — 314 Ah; HyperBlock M (AC version) — 601 Ah
- Cell configuration: Max-20HC-5000 — 1P416S ×12; HyperBlock M (AC version) — 8P416S / 16P416S
- Form factor: Max-20HC-5000 — 20 ft container; HyperBlock M (AC version) — modular block
- Block type: Max-20HC-5000 — DC block; HyperBlock M (AC version) — AC block (PCS integrated)
- PCS integrated: Max-20HC-5000 — no; HyperBlock M (AC version) — yes
- DC voltage: Max-20HC-5000 — 1164.8–1497.8 V; HyperBlock M (AC version) — 1123.2–1497.6 (rated 1331.2) V
- Ingress protection: Max-20HC-5000 — IP55; HyperBlock M (AC version) — Container IP55, Pack IP65, PDU IP55
- Operating temperature: Max-20HC-5000 — -35…60 (discharge), -30…50 (charge) °C; HyperBlock M (AC version) — -30…55 °C
- Weight: Max-20HC-5000 — 46 t; HyperBlock M (AC version) — 24 t
- Round-trip efficiency: Max-20HC-5000 — 95%; HyperBlock M (AC version) — 93%
- Fire suppression: Max-20HC-5000 — aerosol + water; HyperBlock M (AC version) — Combustible gas detection, temperature sensor, smoke detection, cabin level aerosols, deflagration venting panels, water fire protection
- Generation: Max-20HC-5000 — 2024; HyperBlock M (AC version) — MagicBlock platform, 2025
- Announced: Max-20HC-5000 — 2024-09; HyperBlock M (AC version) — 2025-05
- Certifications: Max-20HC-5000 — GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A; HyperBlock M (AC version) — EN50549, EN61000, G99, IEC60730, IEC62477, IEC62619, IEC62933, IEEE1547, NFPA855/68/69, UL1741, UL1973, UL9540, UL9540A, UN38.3, VDE4110, VDE4120
Published by only one of the two: Cycle life, Calendar life.
Variants
Great Power Max-20HC-5000 variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 5.0 MWh @0.5C (≤417 kW ×6 / 1.25 MW ×2) | 5 MWh | 2.5 MW | 2 h |
HyperStrong HyperBlock M (AC version) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| HSL3G71-06400 — 6.4 MWh / 400 kW×4 | 6.4 MWh | 1.6 MW | 4 h |
| HSL3G71-12800 — 12.8 MWh / 400 kW×8 | 12.8 MWh | 3.2 MW | 4 h |
Full model cards
Open Great Power Max-20HC-5000 →Open HyperStrong HyperBlock M (AC version) →
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