AlphaESS · commercial & industrial
AlphaESS StaX-M30/M50
shippingmodular blockAC block (PCS integrated)LFPBNEF Tier 1
Everything below comes from what AlphaESS publishes about the StaX-M30/M50: 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 |
|---|---|---|---|
| StaX-M30 min. 8 modules (96.4 kWh) | 96.4 kWh | 30 kW | 3.2 h |
| StaX-M30 max. 18 modules (216.9 kWh) | 216.9 kWh | 30 kW | 7.2 h |
| StaX-M50 min. 9 modules (108.5 kWh) | 108.5 kWh | 50 kW | 2.2 h |
| StaX-M50 max. 18 modules (216.9 kWh) | 216.9 kWh | 50 kW | 4.3 h |
Specifications
| Cell chemistry | LFP |
|---|---|
| Cell capacity | not published |
| Cell configuration | not published |
| Cell supplier | not published |
| Form factor | modular block |
| Block type | AC block (PCS integrated) |
| PCS integrated | yes |
| DC voltage | not published |
| Cooling | not published |
| Ingress protection | IP66 |
| Operating temperature | -25…60 (system); -20…50 (battery) °C |
| Dimensions (L × W × H) | not published |
| Weight | not published |
| Energy density | not published |
| Round-trip efficiency | not published |
| Cycle life | 8,000 · 8000 @ EOL 70% — 'under specific test conditions' (datasheet) |
| Calendar life | not published |
| Warranty | 5 y |
| Fire suppression | not published |
| Generation | V3.3 (2025-11) |
| Announced | not published |
Certifications
IEC 62109IEC 61000VDE 4105VDE 4110TOR-R25G99G100EN 50549-1&-10C10/11NC RFGIEC 62619IEC 62040IEC 61000-6-1/-2/-3/-4UL 9540A
Key facts
- Stackable plug-and-play columns of 12.05 kWh M38314-S modules (38.4 V, 90 kg), 8–18 modules, max 12 per column, 2 columns
- 30 or 50 kW hybrid inverter with 3/4 MPPT, 200% PV oversizing (60/100 kW PV input), backup switch <10 ms
- IP66 outdoor, integrated heating module, C5 corrosion class
- 5-year product / 10-year battery warranty; DoD 95% on-grid, 90% off-grid
- Cooling method and system weight not stated in datasheet
What AlphaESS 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 supplierDC voltageCoolingDimensions (L × W × H)WeightEnergy densityRound-trip efficiencyCalendar lifeFire suppressionAnnounced
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Sourcing quote for AlphaESS StaX-M30/M50
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: AlphaESS — StaX-M30/M50 product page · StaX-M30/M50 datasheet (PDF)