• MAX. EFFICIENCY 97.6%
  • IP65 PROTECTION

STH 3~8kW

Single Phase | 2 MPPTs | Hybrid Inverter (HV)

The Sunways STH-3~8KTL-HS is a single-phase high-voltage hybrid inverter designed for residential solar storage. With 3–8kW power output, dual MPPTs, 97.6% max. efficiency, and IP65 protection, it helps homeowners improve solar self-consumption, manage battery energy efficiently, and secure reliable backup power.

STH-3K~8KTL-HS

Key Features

HIGH EFFICIENCY

High Efficiency & Energy Yield

Max. efficiency up to 97.6%, with up to 15A PV input current to support high-current PV panels, reducing system cost and improving solar energy harvest.

MORE OPTIONS

Reliable Backup & Strong Load Adaptability

Supports AC output from 3kW to 8kW, strong load adaptability, and UPS-level switching to off-grid mode within 10ms for stable and uninterrupted power supply.

STRONG OFF-GRID CAPABILITY

Flexible Battery Use & Easy Operation

Wide battery voltage range supports more battery module combinations, while up to 30A fast charging/discharging and App or OLED commissioning make installation, monitoring, and energy management easier.

Product Highlights

ModelSTH-3K~8KTL-HS
Start-up Voltage (V)80
MPPT Voltage Range (V)100–550
Number of MPP Trackers1, 2
Max. Input Current (A)15, 2×15
Battery Voltage Range (V)85–500
Max. Charge/Discharge Current (A)30

Related Products

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STH-3K~8KTL-LS-LV

STH-3K~8KTL-LS-LV

3~8kW | Single Phase | 1/2 MPPTs

STH Series

STH-4K~12KTL-HT-P

STH-4K~12KTL-HT-P

4~12kW | Three Phase | 2 MPPTs

STH Series

STH-40K~80KTL-HT

STH-40K~80KTL-HT

40~80kW | Three Phase | 5 MPPTs 

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