BESS comparison
Great Power Max-20HC-5000 vs LG Energy Solution JF2 AC LINK (2HR / 4HR)
Both columns come from what Great Power and LG Energy Solution 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
LG Energy Solution
JF2 AC LINK (2HR / 4HR)
5.11 MWh
modular blockliquid-cooledLFPshipping
Specifications side by side
| Field | Great Power Max-20HC-5000 | LG Energy Solution JF2 AC LINK (2HR / 4HR) |
|---|---|---|
| Max energy per enclosure | 5 MWh | 5.11 MWh |
| Max power per enclosure | 2.5 MW | 2.55 MW |
| Published durations | 2 h | 2 h · 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 314 Ah | not published |
| Cell configuration | 1P416S ×12 | 14 packs in series × 6 racks in parallel (2HR) |
| 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 | not published |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -35…60 (discharge), -30…50 (charge) °C | -30…50 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 7020 × 2570 × 2900 mm |
| Weight | 46 t | 48 t |
| Energy density | not published | not published |
| Round-trip efficiency | 95% | not published |
| Cycle life | not published | not published |
| Calendar life | not published | not published |
| Warranty | not published | not published |
| Fire suppression | aerosol + water | gas detection and active venting system, fire detection and alarm system |
| Generation | 2024 | 2024 |
| Announced | 2024-09 | 2024-11 |
| Certifications | GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A | IEEE1547, IFC/CFC, NFPA 69, NFPA 72, NFPA 855, UL1642, UL1741 (SA, SB), UL1973, UL9540, UL9540A and large-scale fire testing, UN 38.3 |
| 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; JF2 AC LINK (2HR / 4HR) — 5.11 MWh
- Max power per enclosure: Max-20HC-5000 — 2.5 MW; JF2 AC LINK (2HR / 4HR) — 2.55 MW
- Published durations: Max-20HC-5000 — 2 h; JF2 AC LINK (2HR / 4HR) — 2 h · 4 h
- Cell configuration: Max-20HC-5000 — 1P416S ×12; JF2 AC LINK (2HR / 4HR) — 14 packs in series × 6 racks in parallel (2HR)
- Form factor: Max-20HC-5000 — 20 ft container; JF2 AC LINK (2HR / 4HR) — modular block
- Block type: Max-20HC-5000 — DC block; JF2 AC LINK (2HR / 4HR) — AC block (PCS integrated)
- PCS integrated: Max-20HC-5000 — no; JF2 AC LINK (2HR / 4HR) — yes
- Operating temperature: Max-20HC-5000 — -35…60 (discharge), -30…50 (charge) °C; JF2 AC LINK (2HR / 4HR) — -30…50 °C
- Dimensions (L × W × H): Max-20HC-5000 — 6058 × 2438 × 2896 mm; JF2 AC LINK (2HR / 4HR) — 7020 × 2570 × 2900 mm
- Weight: Max-20HC-5000 — 46 t; JF2 AC LINK (2HR / 4HR) — 48 t
- Fire suppression: Max-20HC-5000 — aerosol + water; JF2 AC LINK (2HR / 4HR) — gas detection and active venting system, fire detection and alarm system
- Announced: Max-20HC-5000 — 2024-09; JF2 AC LINK (2HR / 4HR) — 2024-11
- 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; JF2 AC LINK (2HR / 4HR) — IEEE1547, IFC/CFC, NFPA 69, NFPA 72, NFPA 855, UL1642, UL1741 (SA, SB), UL1973, UL9540, UL9540A and large-scale fire testing, UN 38.3
Published by only one of the two: Cell capacity, DC voltage, Round-trip efficiency.
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 |
LG Energy Solution JF2 AC LINK (2HR / 4HR) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| JF2 2HR AC LINK — 5.11 MWh / 2.55 MW, 690 Vrms, 0.5 CP | 5.11 MWh | 2.55 MW | 2 h |
| JF2 4HR AC LINK — 5.11 MWh / 1.32 MW (6 × 220 kVA), 690 Vrms, 0.25 CP | 5.11 MWh | 1.32 MW | 4 h |
Full model cards
Open Great Power Max-20HC-5000 →Open LG Energy Solution JF2 AC LINK (2HR / 4HR) →
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