Home energy storage, 11 kW wallbox & PowerBox: SunEnergyXT expands its solar storage lineup
A few months ago, SunEnergyXT introduced the 500 Pro Series, a new all-in-one energy storage system for balcony solar systems and photovoltaic (PV) installations. Ahead of the upcoming ees Europe 2026 trade fair in Munich, the manufacturer formerly known as SunLit Solar is expanding the lineup with three additional products: the SunEnergyXT PowerBox, the SunEnergyXT 500 Pro AC Core, and the Smart Wallbox.
SunEnergyXT PowerBox enables three-phase parallel operation
The new PowerBox allows three-phase operation of more than three master storage units from the 500 and 500 Pro Series. This makes it possible to operate up to nine units in parallel and distribute them across the three phases L1, L2, and L3. Total system output can reach up to 21.6 kW, making it capable of supplying even high-consumption loads such as heat pumps and EV charging stations.
In addition, when combined with a compatible Automatic Transfer Switch (ATS) for automatic switching between grid-connected and island operation, the system can provide a fully functional backup power solution.
New Wallbox charges EVs at up to 11 kW
The new Smart Wallbox can, for example, be powered by the PowerBox's output of up to 21.6 kW. It supports three-phase charging of electric vehicles at up to 11 kW (maximum 16 amps) via a Type 2 charging cable. The wallbox features an integrated RFID reader for access control and user-specific authorization.
It is also compatible with the SunEnergyXT app, enabling coordinated management of charging, energy storage, and self-consumption, while allowing charging schedules to be aligned with the availability of self-generated solar power.
SunEnergyXT 500 Pro AC Core is a new home energy storage system
The third new product is the SunEnergyXT 500 Pro AC Core. It complements the existing all-in-one solution and is a purely AC-coupled battery storage system. The home energy storage unit is well suited for retrofitting existing photovoltaic systems and can also be particularly attractive when used in conjunction with dynamic electricity tariffs.
The SunEnergyXT 500 Pro AC Core features a bidirectional inverter with 2,400 W charging and discharging power, along with 5 kWh of storage capacity. If required, capacity can be expanded to up to 30 kWh by adding up to five additional battery modules. Another noteworthy feature is that the integrated MPPTs already built into the unit for direct solar module connection are disabled only at the software level. If needed, they can be activated later for an additional fee.
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