- Seamless multi-day backup power with dynamic load control
- Flexible DC and AC-coupling with new and existing solar systems
- Stunningly compact design that fits easily in any home
- Lunar AI to optimize solar self-consumption, utility bill savings and VPP revenue

System Specifications
| System | 10 kWh | 15 kWh | 20 kWh | 25 kWh | 30 kWh |
|---|---|---|---|---|---|
| Model Number | L2-ESS-10KWH | L2-ESS-15KWH | L2-ESS-20KWH | L2-ESS-20KWH + (1) LE-DC-UNIT | L2-ESS-20KWH + (2) LE-DC-UNIT |
| Aggregate Energy | 10 kWh | 15 kWh | 20 kWh | 25 kWh | 30 kWh |
| Max Continuous AC Power | 9.6 kW (Sun) 5 kW (No Sun) | 9.6 kW (Sun) 7.5 kW (No Sun) | 9.6 kW | 9.6 kW | 9.6 kW |
| 80 LRA | 100 LRA | 134 LRA | 134 LRA | 134 LRA | |
| Warranty | 12.5 Years 38 MWh AC throughput | 12.5 Years 56 MWh AC throughput | 12.5 Years 75 MWh AC throughput | 12.5 Years 94 MWh AC throughput | 12.5 Years 113 MWh AC throughput |
| System | 10 / 15 / 20 / 25 / 30 kWh |
|---|---|
| Solar Configuration | DC-coupled and AC-coupled |
| Customer Interface | Customer App, Installer App, Gridshare Fleet Portal, APIs, LEDs |
| Operating Modes | Lunar AI, Solar Self-Consumption, Time-of-use, Backup |
| Advanced Software Features | Outage Watch, VPP enabled, load control |
| Communication | Wi-Fi (2.4 GHz), 4G/LTE (CAT M1), Ethernet |
Mechanical
| System | 10 kWh | 15 kWh | 20 kWh | 25 kWh | 30 kWh |
|---|---|---|---|---|---|
| Dimensions (H x W x D) | 34.8” x 24.4” x 13.5” (884 x 619 x 344 mm) | 45.5” x 24.4” x 13.5” (1156 x 619 x 344 mm) | 56.1” x 24.4” x 13.5” (1425 x 619 x 344 mm) | 66.8” x 24.4” x 13.5” (1696 x 619 x 344 mm) | 77.4” x 24.4” x 13.5” (1967 x 619 x 344 mm) |
| Weight | 305 lb (139 kg) | 421 lb (191 kg) | 540 lb (245 kg) | 659 lb (299 kg) | 778 lb (354 kg) |
| Mounting | Floor or wall mounted |
Environmental
| Ingress Rating | Type 3R (System & Inverter) |
| Operating Temp | -4°F to 122°F (-20°C to 50°C) |
| Altitude | Up to 9843 ft (3000 m) |
| Storage Conditions | Absolute Limits: –4°F to 140°F (-20°C to 60°C) < 95% RH 1 month: –4°F to 113°F (-20°C to 45°C) <60%RH 2 months: 32°F to 95°F (0°C to 35°C) <60%RH Up to 24 months: 65°F to 82°F (18°C to 28°C) <60%RH |
| Operating Noise @ 1 m | < 39.5 dbA (Typical) < 57.5 dbA (Maximum) |
Compliance
| Certifications | CAN/UL 9540, UL 9450A, UL 1741 CRD PCS, UL 3141 |
| Grid Connection | IEEE 1547.1-2020, IEEE 1547.1-2018, SunSpec IEEE 2030.5 / CSIP, CA Rule 21 |
| Emissions | FCC Part 15 Class B |