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BYD Power-Box TH8K – 8 kW 3-phase inverter

BYD Power-Box TH8K – 8 kW 3-phase inverter

Manufacturer: BYD
Model: BYD-Power-Box-TH8K
Availability: Available soon

BYD Quality – Now in Inverters Too
BYD is no longer just a leader in battery energy storage – now it brings premium technology to the inverter market as well. The Power-Box TH series is the result of industry expertise and forward-thinking innovation, perfectly aligned with BYD’s own batteries.

8 kW Continuous Output, 12 kW Peak
The TH8K is the ideal choice for users who need to run several high-power devices with a solar system. Whether it's a heat pump, air conditioner, or EV charger – this inverter handles the load smoothly.

Exceptionally Fast Backup Switch (<10 ms)
Reliable power means quick response. The TH8K switches to backup mode almost instantly in case of a power outage, ensuring seamless operation.

Smart Control – Anytime, Anywhere
The BYD inverter is fully controllable and updatable remotely – with the mobile app and web interface providing all settings and live system information.

15-Year Warranty – Among the Longest in Its Class
The TH8K stands out not only in technology but also in warranty: 15 years of BYD-backed assurance means long-term peace of mind.

Description

Key Features:

  • Max. PV input power: 12,000 Wp

  • Rated output power (grid): 8,000 W

  • Max. apparent output power: 8,800 VA

  • Backup power: 8,000 W / 12,000 VA (for 60 seconds)

  • Max. efficiency: 98.2%

  • MPPT efficiency: > 99.9%

  • EU efficiency: 97.5%

Technical Specifications:

  • MPPT voltage range: 160 V – 950 V

  • Max. PV current / MPPT: 18 A

  • Max. short-circuit current / MPPT: 25 A

  • Number of MPP trackers: 2

  • Grid voltage: 3/N/PE, 220/380 V or 230/400 V

  • Frequency: 50/60 Hz

  • Backup switching time: < 10 ms

  • THDv (total harmonic distortion): < 2%

Battery Compatibility:

  • Supported batteries: BYD Battery-Box HVE or HVB

  • Battery voltage: 160 V – 600 V

  • Max. charge/discharge power: 12 kW

Protection & Reliability:

  • Built-in arc fault circuit interrupter (AFCI)

  • Type II surge protection (SPD) on both DC and AC sides

  • Protection against PV reverse polarity, islanding, short circuit, and ground fault

  • IP66 rated – suitable for outdoor use

Smart Features:

  • 24/7 online monitoring

  • Remote diagnostics and firmware updates (OTA)

  • LED display + mobile app

  • Communication: WiFi, Ethernet, RS485, CAN

  • Parallel operation possible (up to 3 units)

Other Info:

  • Cooling: natural convection

  • Dimensions: 577 × 537 × 206 mm

  • Weight: 26 kg

  • Certifications: IEC, EN, VDE, CEI, AS, PTPiREE

 

The Power-Box TH8K is for those who take energy management seriously but want to avoid oversizing. It’s the ideal choice for anyone seeking a reliable, long-lasting, and smart inverter – now with a unique 15-year BYD warranty.

Phases Asymmetrical hybrid
Power 8000 W
Inverter type Asymmetrical hybrid

Manufacturer

BYD (Build Your Dreams) was founded in China in 1995 and has since grown into one of the world’s leading battery manufacturers.
The company’s main focus is the development and production of electric vehicles and energy storage solutions, making it a key player in the field of sustainable energy generation.

With its innovative technologies and environmentally conscious solutions, BYD offers new possibilities not only in transportation but also in industrial and residential energy storage. The company's goal is to reduce carbon emissions and promote the global adoption of green energy sources. BYD’s products – including batteries and energy storage systems – are known for their high quality and reliability, and are present in numerous markets around the world.