Sunloop Energy

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 Voltage48V / 51.2V DC
Capacity Range5 kWh – 20 kWh (expandable)
Cell ChemistryLiFePO4 Grade A
Cycle Life≥ 6,000 cycles @ 80% DOD
Efficiency≥ 95% round-trip
Parallel UnitsUp to 15 units

Mechanical Specifications

MountingWall-mounted, indoor/outdoor rated
DisplayIntegrated 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 RatingIP65
CoolingNatural convection
Altitude≤ 2,000 m

Certifications

IEC 62619UN 38.3CERoHS

Warranty

Warranty 110 Years Product Warranty (Battery & BMS)
Warranty 25 Years Extended Service Available

Ordering Information

Contact Sunloop Energy sales for configuration matrix and inverter compatibility guide.