
Technical Data Sheet
Model: SL-WA-5-20
Revision: Rev 1.0 · August 2026
WallLoop Series
WallLoop ESS (5 kWh – 20 kWh)
WallLoop is a residential wall-mounted LiFePO4 energy storage system engineered for solar self-consumption, UPS backup, and peak-load management. Modular 5–20 kWh capacity with parallel expansion to 15 units.
Residential solar self-consumption
Home UPS backup
Time-of-use tariff optimization
IEC 62619
UN 38.3
CE
Electrical Characteristics
| Nominal Voltage | 48V / 51.2V DC |
| Capacity Range | 5 kWh – 20 kWh (expandable) |
| Cell Chemistry | LiFePO4 Grade A |
| Cycle Life | ≥ 6,000 cycles @ 80% DOD |
| Efficiency | ≥ 95% round-trip |
| Parallel Units | Up to 15 units |
Mechanical Specifications
| Mounting | Wall-mounted, indoor/outdoor rated |
| Display | Integrated LCD status panel |
| Dimensions (typ.) | 580 × 260 × 180 mm (5 kWh unit) |
| Weight (typ.) | 45 – 95 kg depending on capacity |
Environment & Protection
| Operating Temperature | -10°C to +50°C |
| IP Rating | IP65 |
| Cooling | Natural convection |
| Altitude | ≤ 2,000 m |
Certifications
IEC 62619UN 38.3CERoHS
Warranty
| Warranty 1 | 10 Years Product Warranty (Battery & BMS) |
| Warranty 2 | 5 Years Extended Service Available |
Ordering Information
Contact Sunloop Energy sales for configuration matrix and inverter compatibility guide.