The SOFAR BTS Smart energy storage kit, consisting of a Sofar HYD15KTL-3PH three-phase hybrid inverter rated at 15 kW, six high-voltage BTS 5K Smart battery modules with a total capacity of 30.72 kWh and two BTS 5K-BDU control modules, is a complete solution for larger residential photovoltaic systems. The system efficiently stores surplus energy generated by the PV installation and makes it available during peak demand hours, increasing self-consumption and reducing the amount of energy drawn from the grid.

The HYD15KTL-3PH inverter has two independent battery inputs, so the storage consists of two towers of three modules, each with its own BDU unit and base. The inverter offers efficiency of up to 98.2%, 2 MPPT trackers, built-in EPS backup power with a switchover time of less than 15 ms, zero export function and multiple operating modes, including self-use and time-of-use. The LiFePO₄ BTS 5K Smart modules provide a total of 30.72 kWh of capacity (28.5 kWh usable) and feature integrated heating that supports battery operation at low temperatures. Together they form a modern system that increases energy independence and the security of your home's power supply.

The SOFAR 15 kW + BTS Smart 30 kWh kit includes:

• Sofar HYD15KTL-3PH 15 kW hybrid inverter
• 6 × Sofar BTS 5K Smart 5 kWh battery module
• 2 × Sofar BTS 5K-BDU control module (with base)

What are the benefits of this energy storage system?

• Complete kit: 15 kW hybrid inverter, 30.72 kWh energy storage and two BDU control modules.
• Two inverter battery inputs – two independent towers of three modules.
• High-voltage LiFePO₄ battery modules with 93% depth of discharge.
• Integrated heating of the BTS 5K Smart modules – suitable for unheated rooms.
• Inverter efficiency of up to 98.2% and 2 MPPT trackers.
• EPS backup power with a switchover time of less than 15 ms.
• Zero export function and multiple operating modes (self-use, time-of-use).
• SOFAR AI-EMS smart energy management.
• Increased self-consumption of energy from the photovoltaic system.
• More energy available in the evening, at night and during power outages.

Who is this kit for?

• larger single-family homes with a three-phase photovoltaic system,
• buildings with high daily energy consumption,
• users who want to increase self-consumption and energy independence,
• those who need a large energy reserve for backup power.