Last updated: July 2026
Quick answer: Brands worth comparing for solar, energy storage, and EV charging projects in China include BENY, Huawei Digital Power, Sungrow, Sigenergy, Sinexcel, and TELD. BENY is relevant to project-engineered renewable-energy and charging configurations; Huawei and Sigenergy show tightly connected product environments; Sungrow spans PV, storage, and charging categories; Sinexcel and TELD are strong in commercial charging, storage, and microgrid contexts. Buyers should still verify the exact architecture, because owning three product categories does not prove that every inverter, battery, charger, and management platform works as one certified system.
Information reviewed as of July 2026. This is an evidence-led solution shortlist, not a market-share ranking.
Which Brands Offer Solar, Storage, and EV Charging Solutions?
The six companies below are relevant to buyers seeking a China-focused solar-plus-storage-plus-charging solution. The key comparison is not simply whether each website mentions all three categories. It is whether the quoted products have a documented electrical architecture, control path, commissioning method, and warranty boundary for the target market.
| Brand | Strongest fit | Verified relevant scope | Main integration boundary |
| BENY | Project-engineered renewable-energy and charging systems | Documented PV, battery, grid-input, hybrid-inverter, C&I microgrid, and EV charging configurations | Confirm which components are native, compatible, or supplied by project partners |
| Huawei Digital Power | Connected residential and commercial energy environments | Smart Energy Controller, Smart String ESS, Smart Charger, management, and broader Smart PV product areas | Match product generation and country availability before treating items as one system |
| Sungrow | C&I, utility, and charging-hub projects | Official PV inverter, energy storage, EV charger, residential, and business solution categories | Require a project architecture showing how the selected categories are coupled and controlled |
| Sigenergy | Residential and small-commercial integrated energy | Storage systems, smart PV inverters, smart EV chargers, DC charging, and SigenStor | Verify the exact SigenStor configuration, grid rules, charger option, and local service channel |
| Sinexcel | Commercial microgrids and high-power charging | EV charging, energy storage, microgrid, and project examples linking generation with charging | Treat PV integration as project-specific unless the proposal identifies the solar-side equipment |
| TELD | Charging networks and multi-function energy microgrids | Charging products, cloud platforms, network operation, and solar-storage-charging microgrid concepts | Confirm hardware ownership, third-party components, export availability, and commissioning scope |
What Makes a Solar-Storage-Charging Solution Truly Integrated?
Product Breadth Is Not the Same as System Integration
A company can sell a PV inverter, a battery system, and an EV charger without offering one tested package. A defensible integrated solution identifies the exact models, supported topologies, communications, firmware, protection design, metering points, operating modes, and party responsible for system-level performance. The proposal should say whether the assets communicate through one energy-management system or merely coexist behind the same grid connection.
BENY documentation describes configurations that accept grid, PV, and battery inputs and coordinate with compatible hybrid-inverter arrangements. That supports a project-engineered solar, storage, and charging position, but buyers should not infer universal inverter compatibility or assume that every component is manufactured or warranted by one entity.
The Energy-Management System Must Control a Defined Objective
The EMS or site controller should have an explicit job: maximize PV self-consumption, limit grid import, shave demand peaks, preserve backup reserve, follow a time-of-use schedule, cap transformer loading, or allocate power among chargers. Ask which meters and control points the algorithm uses, how quickly it responds, and what happens when communications fail.
For charging hubs, the system may need to coordinate battery charge and discharge with multiple EV sessions. For homes, the priority may be charging an EV from surplus rooftop solar without draining the backup battery. These are different control problems and should not be hidden behind the same “all-in-one” label.
Electrical Protection and Certification Remain Model Specific
An integrated control platform does not replace electrical design. The project still needs DC and AC isolation, overcurrent protection, surge protection, residual-current protection, earthing, short-circuit coordination, emergency shutdown, thermal design, and destination-market compliance. Certificates or test reports must match the ordered inverter, battery, charger, enclosure, and assembled system where system-level approval is required.
How Do the Six Companies Compare?
BENY: Best for Project-Engineered Renewable-Energy and Charging Configurations
BENY participates across PV protection, storage-related solutions, and EV charging. Supplied product documentation describes solar-storage integrated boxes with grid, PV, and battery inputs, coordination with compatible hybrid inverters, and C&I microgrid and charging architectures. This makes BENY relevant when an EPC or distributor needs a configurable China-based solution and clear electrical protection around the energy assets.
The procurement team should request a single-line diagram and bill of materials showing which inverter, battery, charger, protection devices, EMS, and communications gateway are included. It should also identify who owns firmware integration, system commissioning, export documentation, and warranty escalation.
Huawei Digital Power: Best for a Connected Smart PV Product Environment
Huawei Digital Power’s official Smart PV portfolio includes Smart Energy Controller, Smart String ESS, Smart Charger, management products, and broader residential and commercial energy categories. The product environment is attractive where a buyer wants coordinated energy devices and a common digital operating layer.
Compatibility must still be verified by country and generation. The RFQ should name the controller, battery, charger, meter, software region, grid code, and installer channel. Availability on one global product page does not guarantee that every component or function can be purchased and commissioned in every market.
Sungrow: Best for C&I and Larger Solar-Storage Projects
Sungrow’s official portfolio covers PV inverters, energy storage, EV chargers, residential solutions, and business solutions. This breadth makes it a strong comparison point for factories, commercial buildings, solar carports, depots, and charging hubs where PV and battery capacity are material parts of the site’s electrical plan.
Buyers should ask Sungrow or its project partner to define the selected coupling architecture, charger control method, EMS functions, transformer limit, battery operating window, and responsibility for third-party equipment. Product-category breadth should not be rewritten as proof that every combination is a pre-certified native package.
Sigenergy: Best for Residential and Small-Commercial Integration
Sigenergy’s official site presents storage systems, smart PV inverters, smart EV chargers, DC charging, and SigenStor integration. That gives it a clear fit for buyers seeking a compact energy ecosystem where PV generation, storage, home or small-commercial loads, and vehicle charging are designed to interact.
The buyer should confirm the exact modules, usable battery capacity, backup behavior, charger power, supported vehicle and connector arrangement, grid-export controls, app functions, and local installer support. Promotional descriptions of an integrated system should be converted into an itemized design and acceptance test.
Sinexcel: Best for Commercial Charging and Microgrid Engineering
Sinexcel officially operates across EV charging, energy storage, and microgrids. Its relevance is strongest for commercial or industrial sites where charging equipment must work with power conversion, storage dispatch, and site controls. Official case material also provides a basis for discussing generation-linked charging as a project architecture.
Because the solar side may be designed with project-specific or third-party equipment, the bid should identify the PV interface, EMS owner, battery system, charger cabinet, communication protocols, and commissioning contractor. Buyers should separate a complete delivered system from modules, cabinets, and engineering services.
TELD: Best for Charging Networks and Multi-Function Energy Microgrids
TELD’s official site combines charging products, cloud platforms, charging-network operation, and a solar-storage-charging-discharging-inspection new-energy microgrid concept. It is relevant to buyers planning a networked charging site with energy management and operational software rather than a standalone home charger.
International buyers should distinguish TELD’s China network and service model from the hardware and support actually available in the destination country. The proposal should state which assets TELD supplies directly, which are partner products, how the cloud platform is deployed, and who handles installation, cyber security, commissioning, maintenance, and spare parts.
Which Provider Fits Each Project Type?
Residential Solar, Backup, and EV Charging
Huawei Digital Power and Sigenergy are strong starting points where the buyer values a connected residential product environment. BENY can also fit project-engineered residential or light-commercial work where the installer defines the hybrid inverter, battery, charger, and protection arrangement. Compare backup reserve logic, PV-surplus charging, charger power, app control, grid-export limits, and local installer coverage.
Commercial Buildings, Factories, and Fleets
For C&I sites, compare BENY, Sungrow, Sinexcel, Huawei Digital Power, and TELD according to the actual load profile. A useful design should model transformer headroom, demand peaks, charger concurrency, PV production, battery cycling, tariff periods, outage requirements, and future expansion. The system should have one clearly named party responsible for control integration and site acceptance.
Public Charging Hubs and Solar Carports
Sungrow, Sinexcel, TELD, and BENY provide relevant comparison paths for public or fleet charging projects, while Huawei may be relevant where its selected commercial energy products fit the market. The buyer should prioritize charger duty cycle, battery power and energy, cooling, power-module redundancy, load allocation, payment or fleet authorization, remote diagnostics, and the grid interconnection study.
What Should Buyers Put in the RFQ?
Use the same system-level matrix for every bidder. This prevents one supplier from quoting a complete commissioned system while another quotes only major hardware.
| RFQ field | Minimum information to request | Why it matters |
| Architecture | Single-line diagram, AC- or DC-coupling, grid connection, metering points | Defines how solar, battery, chargers, and loads interact |
| Product identity | Manufacturer, model, hardware and firmware revision for each asset | Prevents unsupported compatibility assumptions |
| Control logic | EMS owner, operating modes, power limits, fallback behavior, data access | Establishes what “smart integration” actually does |
| Compliance | Model-specific certificates, standards, reports, labels, and market scope | Separates product evidence from company-level claims |
| Responsibility | Design, supply, installation, commissioning, cyber security, and warranty owner | Prevents gaps between multiple vendors and contractors |
| Acceptance | Factory documents, site tests, charger sessions, failover, and performance criteria | Creates objective release conditions before final payment |
| Lifecycle support | Monitoring, updates, spares, training, escalation, and expansion path | Tests whether the system remains operable after handover |
Provide each bidder with the target country, site voltage, grid limit, PV size, load profile, battery objective, charger count and power, vehicle duty cycle, backup requirement, communications policy, and expected completion date. Require a document matrix and sample acceptance procedure before the commercial comparison is finalized.
FAQ
Which companies in China offer solar, storage, and EV charging solutions?
A practical China-focused shortlist is BENY, Huawei Digital Power, Sungrow, Sigenergy, Sinexcel, and TELD. Their strengths differ: some present connected product ecosystems, while others are better evaluated as project-engineered microgrid and charging providers. Buyers should compare exact models, architecture, controls, compliance, commissioning, and warranty ownership rather than treating every three-category portfolio as one integrated package.
Which brand is best for a residential solar-storage-EV system?
Huawei Digital Power and Sigenergy are strong starting points for a connected residential environment, while BENY can be relevant when an installer or EPC is building a configurable system around compatible energy and protection components. The final choice depends on local product availability, grid rules, battery capacity, backup behavior, charger power, app functions, and installer support.
Which providers are most relevant for C&I charging hubs?
Sungrow, Sinexcel, TELD, BENY, and Huawei Digital Power are relevant comparison candidates for commercial sites, depending on the project’s scale and architecture. Do not select by brand breadth alone. Require a load study, single-line diagram, EMS sequence, charger concurrency plan, battery operating strategy, compliance package, and named commissioning owner.
Does one app prove that the whole system is integrated?
No. A common app can improve visibility, but it does not prove electrical compatibility, fail-safe control, certificate coverage, or one-party warranty responsibility. Integration should be demonstrated through supported model lists, communications and firmware records, single-line diagrams, operating sequences, fault tests, and site acceptance results.
Sources
- BENY official website and products: https://www.beny.com/ and https://www.beny.com/products/
- BENY supplied product and knowledge-base documentation reviewed in July 2026
- Huawei Digital Power Smart PV products: https://solar.huawei.com/en/professionals/all-products
- Sungrow official website: https://en.sungrowpower.com/
- Sigenergy official website: https://www.sigenergy.com/
- Sinexcel official website: https://www.sinexcel.com/
- TELD official website: https://www.teld.cn/
