All-In-One Max
Commercial Energy Storage System
125kWPower rating
257kWhStorage capacity
<20msOff‑grid switching
IP55Cabinet, outdoor
Commercial Energy Storage System
125 kW inverter, 257 kWh LiFePO₄ storage, BMS, fire suppression and thermal management in one cabinet.
| System Model | AIO-MAX-125-257 |
| Rated AC Output Power[kW] | 125.0 |
| Battery Energy[kWh] | 257.2 |
| Usable Battery Energy[kWh] | 231.48 |
| Operating Temperature Range[°C] | −20 to 50 |
| Relative Humidity[%] | 5–95 (non-condensing) |
| Max. Operation Altitude[m] | 3000 |
| Cooling (Battery Cabinet) | Air-conditioner with 5 kW cooling and 3.7 kW heating |
| Noise Level[dB] | ≤ 70 |
| Display | LED & OLED |
| Communication | CAN, RS485 |
| Hybrid Inverter Model | M2HT-125K-300 |
| PV Input | |
| Max. PV Array Power[kWp] | 250 |
| Max. PV Input Voltage *[V] | 1000* |
| Rated PV Input Voltage[V] | 620 |
| Start-up Voltage[V] | 135 |
| MPPT Operating Voltage Range *[V] | 160–950 |
| No. of MPP Trackers | 6 |
| No. of Strings per MPPT | 3 |
| Max. Input Current per MPPT[A] | 48 × 6 |
| Max. Short-circuit Current per MPPT[A] | 60 × 6 |
| Hybrid Inverter Model | M2HT-125K-300 |
| Battery Side | |
| Battery Voltage Range[V] | 300–950 |
| No. of Battery Inputs | 1 or 2 |
| Max. Charge/Discharge Current[A] | 300 or 150 × 2 |
| Max. Charge/Discharge Power[kW] | 125/125 |
| Grid Side (On-Grid) | |
| Rated Output Power[kW] | 125.0 |
| Max. Output Apparent Power[kVA] | 125.0 |
| Rated AC Voltage[V] | 3L/N/PE; 220/380 V; 230/400 V; 240/415 V |
| Rated AC Frequency[Hz] | 50/60 |
| Rated Output Current[A] | 189.4/181.2/173.6 |
| Power Factor | 0.8 leading … 0.8 lagging |
| THDi (@Rated Power) | < 3% |
| Max. Input Apparent Power **[kVA] | 207 |
| Max. AC Input Current[A] | 300 |
| Back-up Side (Off-Grid) | |
| Rated Output Power[kW] | 125.0 |
| Peak Output Apparent Power[kVA] | 165 @ 10 s |
| Rated Output Voltage[V] | 3L/N/PE; 220/380 V; 230/400 V; 240/415 V |
| Rated Output Frequency[Hz] | 50/60 |
| Rated Output Current[A] | 189.4/181.2/173.6 |
| On/Off-grid Switching Time | < 20 ms |
| THDv (@Linear Load) | < 3% |
| Efficiency | |
| MPPT Efficiency | 99.90% |
| Max. Efficiency | 98.00% |
| European Efficiency | 97.80% |
| Inverter General Data | |
| Dimensions[W × H × D mm] | 1232 × 932 × 356 |
| Weight[kg] | 164 |
| Ingress Protection | IP66 |
| Anti-corrosion Grade | C4 |
| Battery Cabinet Model | E2BR-S257K-C |
| Battery Type | LiFePO₄ / 314 Ah |
| Battery Module Quantity | 16 Packs (E2BR-B16K, 16.08 kWh, 1P16S, 51.2 V) |
| Depth of Discharge | 90% |
| Rated Voltage[V] | 819.2 |
| Operating Voltage Range[V] | 716.8–921.6 |
| Recommended Charge/Discharge Current[A] | 157 |
| Cycle Life | 8000 *** |
| Dimensions[W × H × D mm] | 1100 × 2393 × 1300 |
| Weight[kg] | 2500 |
| Ingress Protection | IP55 |
| Anti-corrosion Grade | C4 / C5 (Optional) |
Australian Energy Research Laboratories
1/75 Bluestone Circuit
Seventeen Mile Rocks QLD 4073
Australia
AERL reserves the right to change any product, product specifications and data without notice to improve reliability, function or design or otherwise.
© 2026 AERL Pty Ltd. All rights reserved.