All-in-One Off-Grid Solar Inverter 6kW/12kW with Integrated MPPT & EMS for Solar ESS
All-in-one centralized management module integrating a high-efficiency MPPT and smart EMS. Engineered with zero grid-feed logic, it controls multi-input charging via PV, utility grids, and diesel generators for standalone solar storage.
B2B Engineering Support: Contact us for a Free System Design and wholesale quotes. Low MOQ: 1 set minimum order — engineered for distributor evaluation and localized technical compliance verification.
Comprehensive Off-Grid Power Storage Overview
Haven Deer is a premier clean energy systems integrator bridging engineering with global Tier-1 manufacturing. Classified into Standard and Pro tiers, this all-in-one off-grid series serves as the centralized smart brain for residential and light commercial solar ESS kits.
⚡ Flexible Single & Parallel Scaling: Standard models deliver robust standalone power for regular homes. Pro models support up to 6 units in parallel, scaling capacity up to 36kW/72kW for light commercial and high-tier engineering tenders.
🏭 100% Tier-1 Manufacturing Control: Every production batch undergoes rigid multi-phase quality log tracking. Backed by our plant asset shares, we eliminate component variances to ensure long-term operational stability.
🛡️ 5-Year Premium Factory Warranty: Backed by full factory hardware warranty and on-demand engineering support. We provide tailored control firmware optimization and 24/7 dedicated B2B technical consultation.
Technical Specifications
Model ALL486000(6kW Standalone Version)
[ Electrical & Input/Output ]
Rated Output Power: 6,000W / 10,000VA Surge Power
Phase & Rated Voltage: Single Phase (L+N+PE) | 208/220/230/240VAC
Frequency Range: 50Hz/60Hz Auto-Adaptive
Transfer Switch Time: 10ms (UPS Mode) / 10ms (APP Mode)
Output Waveform: Pure Sine Wave
[ Solar Charger & MPPT Tracking ]
Solar Charger Type: High-efficiency MPPT
Max. PV Input Power: 6,000W
MPPT Tracking Range: 120 – 500Vdc (Best Voltage: 300V – 400V)
Max. PV Input Voltage: 500Vdc
Max. PV Charging Current: 80A
[ Battery & Environments ]
Battery Voltage System: 48Vdc Nominal
Charging Voltage: 56.4Vdc Constant | 54Vdc Float
Parallel Capability: Supported (For standalone scaling)
BMS Communication: Dedicated Lithium Battery BMS Card & Dry Contact
Operating Envelope: 0°C to 50°C | 20% – 95% Humidity (Non-condensing)
Model ALL486000Pro (6kW Parallel-Capable Version)
[ Electrical & Input/Output ]
Rated Output Power: 6,000W / 12,400VA Surge Power
Phase & Rated Voltage: Single Phase (L+N+PE) | 220/230/240VAC
Acceptable Voltage Range: 90 – 280VAC (Normal Mode) | 170 – 280VAC
Transfer Switch Time / Peak Efficiency: 10ms Typical | Peak Efficiency >94%
Output Waveform: Pure Sine Wave
[ Solar Charger & MPPT Tracking ]
Solar Charger Type: Advanced MPPT
Max. PV Input Power: 9,000W
MPPT Tracking Range: 120 – 500Vdc (Optimal Working Range: 300 – 400Vdc)
Max. PV Specs: 500Vdc Max. Input Voltage | 27A Max. Input Current
Max. Current Profiles: 100A Max. AC Charging | 100A Max. Total Charging Current
[ Battery, Dimensions & Weight ]
Battery Voltage System: 48Vdc Nominal
Charging Voltage: 56.4Vdc Constant | 54Vdc Float
Parallel Capability: Yes (Seamless scaling up to 6 units cluster)
BMS Communication: RS485 / CAN / USB / RS232 / Dry Contact
Physical & Environmental Specs: 536352135mm | Net Weight: 10.5 KG | Noise ≤50db
Operating Envelope: -10°C to 50°C | 20% – 95% Humidity (Non-condensing)
Model ALL4812000 (12kW High-Capacity Standalone Version)
[ Electrical & Input/Output ]
Rated Output Power: 12,000W (12KVA) / 22,000VA Surge Power
Twin AC Output Function: Yes (Max. Main Load: 12kW | Max. Secondary Load: 6kW)
Nominal Input/Output Voltage: 220-240VAC Input | 220/230/240VAC Output
Acceptable Voltage Range: 90 – 280VAC (Home Appliances) | 170 – 280VAC (PC)
Transfer Switch Time: 10ms (PC) / 20ms (Home Appliances)
Waveform & Peak Efficiency: Pure Sine Wave | Max. Efficiency up to 96% (PV to INV)
[ Solar Charger & MPPT Tracking ]
Solar Charger Type: Dual MPPT
Max. PV Input Power: 12,000W (Dual Channel Array: 7,500W * 2)
MPPT Tracking Range: 60VDC ~ 500VDC (Max. Open Circuit Voltage: 500VDC)
Max. Solar Currents: 27A * 2 Max. Input Current | 160A Max. Solar Charge Current
[ Battery & Environments ]
Battery Specs: 40 – 60VDC Operational Voltage | 220A Max. Discharge Current
Charging & Activation: CC/CV Method | 54Vdc Float | Overcharge Protection: 63VDC
Lithium Activation: Smart Lithium Activation by PV or Utility Grid
Parallel Capability: No (Pure Standalone Unit)
BMS Communication: RS485 / RS232 / Dry Contact | Built-in WIFI (Optional)
Physical & Environmental Specs: Carton Size: 500430130mm | Gross Weight: 14.5 KG | IP21
Operating Envelope: -10°C to 55°C | 5% to 95% Relative Humidity (Non-condensing)
Model ALL4812000Pro (12kW Parallel-Capable Premium Version)
[ Electrical & Input/Output ]
Rated Output Power: 12,000W (12KVA) / 22,000VA Surge Power
Twin AC Output Function: Yes (Dual Channel Smart Load Prioritization)
Nominal Input/Output Voltage: 230VAC Input | 220/230/240VAC Output
Acceptable Voltage Range: 90 – 280VAC (Home Appliances) | 170 – 280VAC (PC)
Transfer Switch Time: 10ms (PC) / 20ms (Home Appliances)
Waveform & Peak Efficiency: Pure Sine Wave | Industry-Leading Peak Efficiency up to 99% (PV to INV)
[ Solar Charger & MPPT Tracking ]
Solar Charger Type: Heavy-Duty Dual MPPT
Max. PV Input Power: 15,000W
Flexible PV Input Architecture: Single Route up to 9,000W | Dual Interconnected Routes up to 7,500W * 2
MPPT Tracking Range: 60VDC ~ 500VDC (Max. Open Circuit Voltage: 500VDC)
Max. Solar Currents: 27A * 2 Max. Input Current | 160A Max. Solar Charge Current
Max. Combined Charge: 160A Max. AC Charge | 160A Max. Combined Current (PV + AC)
[ Battery, Dimensions & Weight ]
Battery Specs: 48VDC Nominal Voltage | 220A Max. Discharge Current
Charging & Activation: CC/CV Method | 54Vdc Float | Overcharge Protection: 63VDC
Lithium Activation: Smart Lithium Activation by PV or Utility Grid
Parallel Mode: Yes (Seamless cluster scaling up to 6 units parallelized)
BMS Communication: RS485 / RS232 / Dry Contact | Built-in WIFI (Optional)
Physical & Environmental Specs: Dimensions: 517425122mm | Net Weight: 16.2 KG | IP21
Operating Envelope: -10°C to 55°C | 5% to 95% Relative Humidity (Non-condensing)
Core Features
Engineered for robust residential storage and industrial-grade reliability, this series integrates advanced power electronics with complete component optimization. Designed strictly for zero grid-feed operations, it serves as an uncompromised, centralized power control center for modern standalone energy infrastructure.
High-Efficiency Integrated MPPT
Eliminates external controller costs by integrating an advanced MPPT tracking architecture supporting a wide 60Vdc–500Vdc input range. Delivers multi-channel tracking with up to 15kW PV capacity on Pro models to maximize power harvest.
Smart EMS & Centralized Management
Features a centralized control processor that supports multiple programmable prioritization modes (SUB, SBU, SUF). Intelligently orchestrates power routing between PV, batteries, grid, and generators with seamless zero grid-feed enforcement.
10ms UPS Transfer Protection
Engineered with an industrial-grade relay delivering a ≤10ms auto-adaptive transfer switch time. Guarantees absolute, zero-latency emergency power for critical computers and heavy appliances during local grid instability.
Multi-Protocol BMS Synchronization
Integrated dual LFP battery activation protocols via PV or grid inputs. Built-in RS485/CAN/RS232 communication architecture ensures instant 2-way firmware synchronization with mainstream 48V LiFePO4 battery banks.
Certifications
Every Haven Deer off-grid inverter is manufactured under rigid multi-phase quality tracking. Fully compliant with international safety and transport standard baselines to guarantee risk-free project deployment worldwide.
CE Safety & Compliance
Fully aligned with European low-voltage and machinery directives. Features active industrial-grade protection mechanisms ensuring stable standalone operation and automatic safety handling under heavy workloads.
Industrial EMC Frameworks
Certified to meet global electromagnetic compatibility standards, including EN 61000-6-1, EN 61000-6-3, and FCC Part 15 Class B. Guarantees zero electrical noise interference with local home appliances.
IEC Control Standards
Integrated dual-channel activation architecture designed to wake up dormant or deeply discharged battery management systems (BMS). Triggers recovery automatically via either PV solar arrays or AC utility inputs.
Versatile Solar Energy Storage Applications
Engineered for seamless adaptability, Haven Deer intelligent inverter modules power diverse off-grid infrastructures, ranging from premium smart homes to scalable commercial mini-grids.
Residential Solar Integration
Optimized for home energy management. It captures surplus daytime solar generation to power household appliances, driving down grid dependence and maximizing local self-consumption.
Critical Backup & Off-Grid Scaling
Delivers an automatic backup power transition under 10ms during blackouts. Utilizing our 6-unit Pro parallel expansion, it easily supports heavy-load emergency appliances in isolated off-grid properties.
EPC & Commercial Infrastructure
A plug-and-play powerhouse engineered for micro-grids, eco-resorts, and light commercial tenders. Highly favored by EPC contractors for its code-compliant certification blueprints.
Engineering Reliability & B2B Advantages
Discover why international EPC contractors, clean energy installers, and regional distributors trust Haven Deer as their strategic manufacturing and integration partner.
Remote BMS Protocol Mastery
We guarantee stable 2-way communication with mainstream lithium battery banks. Our power electronics engineering team provides on-demand remote firmware tuning to ensure immediate, error-free local system integration.
Tier-1 Supply Chain Stability
By holding technical asset shares in our dedicated plant, we completely eliminate raw material variances. Every bulk order features uniform, certified components with comprehensive multi-phase quality tracing logs.
21-Day Rapid Prototyping
We accelerate your commercial project and tender timelines. Our B2B engineering division provides rapid feasibility testing, tailored enclosure modifications, and custom logo branding within a strict 21-day turnaround.
Commercial Terms
Payment Channels & Supported Currencies
Payment:SWIFT(T/T) / HK CHATS.
Currencies:AUD, CAD,CHF, CNY, DKK, EUR, GBP, HKD, JPY, NOK, NZD, SGD, USD.
Payment terms:T/T30% deposit paid against your P.O.,70% paid against invoice be issued after pre-shipment inspection.
Global Logistics & Incoterms Compliance
5-Year Warranty & Professional RMA Policy
What You Need to Know Before Buying:
5-Year Coverage:Fully backed by our 5-year hardware warranty.
Hassle-Free Support:Technical claims are verified remotely by our engineering team to provide genuine replacement parts quickly.
Return Terms:All commercial sales are final. Returns are accepted only for verified Dead-on-Arrival (DOA) claims reported within 14 days of delivery, managed via our professional RMA process in compliance with UN-certified transport regulations.
Exclusions:Labor costs for installation/removal, international return freight, and custom-made orders are not covered.
We highly value your infrastructure investment. Please review our full terms prior to finalizing your order.
Frequently Asked B2B Technical Questions
How do Haven Deer inverters guarantee seamless communication with 3rd-party LiFePO4 battery BMS?
Our power electronics engineering division specializes in multi-protocol synchronization. We provide pre-integrated CAN and RS485 communication protocols matching mainstream lithium battery brands. For complex engineering setups or localized storage solutions, our team delivers dedicated on-demand remote firmware tuning to guarantee immediate, error-free 2-way system integration.
Can the Standard and Pro inverter models be mixed in a parallel system, and what is the maximum capacity?
No, mixing is not supported. The Standard models are engineered as highly stable standalone single units for standard residential demands. The Pro models are strictly required for scaling, supporting up to 6 units in parallel cluster configurations. This parallelization allows you to scale systems seamlessly up to 36kW/72kW for light commercial and high-tier project tenders.
How is the 5-year premium brand factory warranty fulfilled internationally?
We completely eliminate bulk deployment risks for global stockists. Our 5-year premium hardware warranty is backed directly by our factory asset shares, ensuring a reliable, long-term parts supply. Technical diagnostics are handled via our specialized remote engineering networks, and any necessary replacement components or swap-out units are dispatched swiftly via our expedited maritime and air logistics channels.
Are these inverters fully certified for global project compliance and electrical safety?
Yes. Every batch undergoes strict multi-phase tracking inside our Tier-1 plant. The entire series is fully aligned with European low-voltage and machinery safety directives, executing active safety defenses like 63Vdc overcharge protection. Furthermore, it is certified under EN 61000-6-1, EN 61000-6-3, and FCC Part 15 Class B, guaranteeing zero electrical noise interference with home communication grids.
What are the OEM/ODM customization options and lead times for B2B engineering tenders?
Supported by our shared manufacturing plant assets, we offer a strict 21-day rapid prototyping turnaround. We provide customized brand logo engraving, tailored exterior enclosure aesthetics, and custom EMS software priority modifications (SUB, SBU, SUF) to help you accelerate project feasibility testing and comfortably win regional commercial tenders.
Do these all-in-one inverters support operation without battery connection, and what inputs are accepted?
Yes, our centralized energy management logic allows all models to run flawlessly without battery banks connected when solar power or AC inputs are active. The heavy-duty power processing center accepts automated dynamic inputs simultaneously from PV solar arrays, regional utility grids, and diesel generators, ensuring absolute off-grid power continuity.



