With "DC coupling and integrated grid-tied/off-grid operation" as its core concept, VGID POWER introduces a new generation of wall-mounted solar-storage-charging solutions. Built around the dual core of Leona-H135K (SP135HAPSS) and Leona-M200K (SP200HAPV), the system redefines how distributed energy is connected — fewer cables, a smaller footprint, higher protection, and more flexible topologies — bringing integrated solar-storage-charging into commercial, industrial, and residential applications.
Dual-Core Products: Leona-H135K & Leona-M200K
The complete system consists of two wall-mounted core devices: the Leona-H135K handles AC-side power conversion and seamless grid-tied/off-grid switching, while the Leona-M200K handles DC-side PV conversion and battery dispatch. Together they form a complete, compact, and flexibly scalable DC-coupled grid-tied and off-grid system.
Wall-Mounted Grid-Forming Energy Storage PCS
- Protection RatingIP65
- InstallationWall-mounted
- Overload Capability125%
- Core ConfigurationBuilt-in STS / ATS dual AC inputs
Wall-Mounted DC Converter DCDC/MPPT
- Rated Power200 / 150 kW
- Max. Efficiency99.26%
- MPPT Channels16 / 12
- Protection RatingIP65
System Architecture: DC-Coupled, Multi-Terminal Coordination
The system adopts a DC bus coupling architecture. PV is connected to the DC bus nearby through MPPT units; batteries, DC chargers, loads, the grid (GRID), and generators are dispatched in a unified manner through the PCS unit of the Leona-M200K. The AC side and DC side use an AC BUS / DC BUS dual-bus design, with an independent communication network, achieving a clear separation of energy flow and information flow.
- Direct PV Connection: Module DC power enters the system directly, eliminating the need for a conventional combiner box and reducing one stage of conversion loss.
- Direct Battery Connection: Cells/battery clusters connect directly to the DC bus for higher charge and discharge efficiency.
- DC Fast Charging: DC chargers draw power directly, avoiding repeated AC-DC conversion and reducing energy consumption and equipment costs.
- Grid-Tied/Off-Grid Switching: Grid-tied operation when the grid is normal, and millisecond-level off-grid power supply during grid faults, ensuring uninterrupted power for critical loads.
Eight Core Advantages
Direct PV Connection, No Combiner Box
Fewer equipment tiers, lower system cost and fewer failure points.
MPPT Deployed Nearby
Trackers are placed close to the modules, significantly shortening DC cables and reducing line losses and installation costs.
Lightweight Wall-Mounted Structure
No large lifting equipment required; a single person can install it, greatly improving transport and deployment efficiency.
AC/DC Bidirectional Charging Direct Connection
Flexibly build charging systems at multiple voltage levels, adapting to complex conditions such as weak grids and phase-loss grids.
One-Cluster-One-Management & Parallel Connection
Supports refined battery cluster management and centralized parallel expansion, flexibly matching different capacities and topologies.
Modular Independent Design
Each functional unit is an independent module; a single-point failure does not affect overall operation, significantly reducing maintenance costs.
Built-In Dual AC Inputs
Automatic switching between grid and diesel generator AC inputs without an external ATS module.
IP65 High Protection Rating
Dust-proof and water-proof, suitable for outdoor, island, high-humidity, high-salt-spray, and other demanding application scenarios.
Typical Application Scenarios
With high integration and strong environmental adaptability, the Leona series wall-mounted DC-coupled grid-tied and off-grid system has been deployed at scale in multiple scenarios:
Get a Customized Solution Now
Whether you are planning a new solar-storage plant or upgrading an existing grid-tied and off-grid system, VGID POWER can tailor the most suitable solution for you based on the Leona-H135K and Leona-M200K. Contact us to obtain product brochures, system configurations, and quotations.