• MAX. EFFICIENCY 97.6%
  • IP66 PROTECTION

STH 5~20kW

Three Phase | 4 MPPTs | Hybrid Inverter (LV)

The Sunways STH-5~20KTL-LT is a three-phase hybrid inverter for residential and small commercial energy storage. With 5–20kW power, 20A PV input, and up to 430A fast charging/discharging, it delivers reliable solar generation, backup, and off-grid operation. IP66 protection, generator and EV charger compatibility, and up to 10-unit parallel support ensure flexible, high-performance energy storage.

STH-5~20KTL-LT

Key Features

HIGH EFFICIENCY

Powerful Backup Performance

Switches to off-grid mode within 10ms and supports inductive & capacitive backup loads up to 2 times rated current, ensuring reliable power supply during outages.

MORE OPTIONS

Flexible System Expansion

Supports diesel generators, charging piles, and up to 10 units in parallel for off-grid operation, meeting larger residential and small commercial energy needs.

STRONG OFF-GRID CAPABILITY

Efficient & Easy Operation

With up to 430A continuous charging/discharging, up to 20A PV input current, IP66 protection, and fast data checking and commissioning, the system delivers high efficiency, durability, and easy installation.

Product Highlights

ModelSTH-5~20KTL-LT
Start-up Voltage (V)150
MPPT Voltage Range (V)160–850
Number of MPP Trackers2, 3, 4
Max. Input Current (A)2×20, 3×20, 4×20
Battery Voltage Range (V)40–60
Max. Charge/Discharge Current (A)120–2×210

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