BESS comparison
Great Power Max-20HC-5000 vs Pylontech Container L5000-BAT
Both columns come from what Great Power and Pylontech 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
Pylontech
Container L5000-BAT
5.016 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | Great Power Max-20HC-5000 | Pylontech Container L5000-BAT |
|---|---|---|
| Max energy per enclosure | 5 MWh | 5.016 MWh |
| Max power per enclosure | 2.5 MW | 2.5 MW |
| Published durations | 2 h | 2 h · 3.3 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 314 Ah | not published |
| Cell configuration | 1P416S ×12 | not published |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | 20 ft container |
| Block type | DC block | DC block |
| PCS integrated | no | no |
| DC voltage | 1164.8–1497.8 V | 1164–1497 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -35…60 (discharge), -30…50 (charge) °C | -20…50 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 46 t | 43 t |
| Energy density | not published | not published |
| Round-trip efficiency | 95% | not published |
| Cycle life | not published | 8,500 · Cycle Life >8500, Depth of Discharge 98% (single string); test conditions not stated |
| Calendar life | not published | not published |
| Warranty | not published | not published |
| Fire suppression | aerosol + water | aerosol |
| Generation | 2024 | M7-20ft |
| Announced | 2024-09 | not published |
| Certifications | GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A | CE, IEC 62040-1, IEC 62619, UL 1973, UL 9540A, VDE 2510-50 |
| 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; Container L5000-BAT — 5.016 MWh
- Published durations: Max-20HC-5000 — 2 h; Container L5000-BAT — 2 h · 3.3 h
- DC voltage: Max-20HC-5000 — 1164.8–1497.8 V; Container L5000-BAT — 1164–1497 V
- Operating temperature: Max-20HC-5000 — -35…60 (discharge), -30…50 (charge) °C; Container L5000-BAT — -20…50 °C
- Weight: Max-20HC-5000 — 46 t; Container L5000-BAT — 43 t
- Fire suppression: Max-20HC-5000 — aerosol + water; Container L5000-BAT — aerosol
- Generation: Max-20HC-5000 — 2024; Container L5000-BAT — M7-20ft
- 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; Container L5000-BAT — CE, IEC 62040-1, IEC 62619, UL 1973, UL 9540A, VDE 2510-50
Published by only one of the two: Cell capacity, Cell configuration, Round-trip efficiency, Cycle life, Announced.
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 |
Pylontech Container L5000-BAT variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| M7-20ft-5MWh at 0.5C | 5.016 MWh | 2.5 MW | 2 h |
| Min. configuration 3344kWh/1000kW | 3.344 MWh | 1 MW | 3.3 h |
Full model cards
Open Great Power Max-20HC-5000 →Open Pylontech Container L5000-BAT →
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