
MP-X3 FIT G4-4993
Are you ready to upgrade your existing solar system without the hassle of a full replacement? Meet the MP-X3 FIT G4-4993, a powerhouse retrofit inverter that turns your current setup into a smart, high-efficiency energy hub. With up to 98.5% efficiency and the ability to handle 110% overload, this unit ensures you get the most from every panel. It switches between grid and backup power in under 10 milliseconds, keeping your home or business running smoothly. Plus, it supports both lithium and lead-acid batteries, and even enables participation in smart grid programs. It’s the flexible, future-ready upgrade you’ve been waiting for.
Flexible & High‑Efficiency Retrofit Inverter
The China Moneypro X3‑Retro Fit Series is a versatile hybrid retrofit inverter designed for upgrading existing solar systems with energy storage and advanced energy management capabilities. With robust off‑grid/parallel support, smart operating modes, and high efficiency, it delivers reliable performance for residential and commercial storage integration.
Powerful Energy Conversion & Overload Handling
Maximize Energy Utilization
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Supports up to 110 % AC overload output to handle peak loads without tripping.
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High charge/discharge efficiency up to 98.5 % for minimized energy loss and better storage utilization.
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150 % EPS output for 10 s enables short‑term high‑power support in backup scenarios.
Benefits:
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Efficient conversion improves energy harvest and storage performance.
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Increased resilience to load spikes and backup demands.
Smart & Adaptable Operation
Intelligent Modes for Diverse Needs
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Quick U‑disk configuration simplifies setup — even single‑person installation.
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Supports lithium‑ion and lead‑acid battery compatibility for flexible storage options.
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Five operating modes and two charge periods cater to different energy strategies.
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Unbalanced three‑phase output allows up to 5 kW per phase where needed.
Advantages:
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Flexible system design for existing PV retrofit scenarios.
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Tailored energy mode selection improves cost efficiency.
On‑Grid & Off‑Grid Support
Seamless Energy Integration
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Capable of on‑grid and off‑grid parallel operation up to 150 kW, enabling large system scalability.
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Fast switching in < 10 ms ensures uninterrupted power during grid transitions.
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Supports VPP (Virtual Power Plant) participation and ancillary power services.
Benefits:
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Hybrid operation extends functionality beyond conventional inverters.
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Helps integrate with modern energy markets and grid services.
Durable & Reliable Design
Engineered for Long‑Term Use
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IP65 protection rating ensures durability against dust and water ingress.
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Integrated SPD surge protection enhances safety against electrical surges.
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Compact, robust housing supports ease of installation and maintenance.
Advantages:
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All‑weather reliability for residential and commercial applications.
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Enhanced protection for inverter longevity and operational stability.
Why Choose China Moneypro X3‑Retro Fit?
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High Efficiency: Up to 98.5 % charge/discharge efficiency for excellent performance.
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Strong Overload Capability: 110 % AC overload output and 150 % EPS for peak power demands.
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Smart Operation: Intelligent load management and hybrid operating modes.
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Flexible Compatibility: Works with both lithium and lead‑acid batteries.
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Hybrid & Scalable: On/off‑grid parallel support up to 150 kW.
Typical Applications
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Solar System Upgrades: Convert existing PV to hybrid storage systems.
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Backup Power Scenarios: Reliable EPS support for critical loads.
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Smart Energy Management: Participate in energy markets with VPP readiness.
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Commercial & Residential Storage: Expand storage capacity with scalable parallel configurations.
FAQ – Common Questions
Q1: What power variants does the X3‑Retro Fit Series offer?
The series includes 6 kW, 8 kW, 10 kW, and 15 kW models for flexible system sizing.
Q2: Can it operate both on grid and off‑grid?
Yes — it supports on‑grid and off‑grid parallel operation up to 150 kW.
Q3: What battery types are supported?
It is compatible with both lithium‑ion and lead‑acid batteries for broad application scenarios.
Q4: How fast is the switchover during power disruption?
The inverter achieves switching in less than 10 ms for seamless backup performance.
Q5: Does it support VPP and smart grid services?
Yes — the inverter includes VPP readiness and ancillary service capability for modern power markets.
Specifications
| Parameter | MP-X3‑FIT‑6.0‑W | MP-X3‑FIT‑8.0‑W | MP-X3‑FIT‑10.0‑W | MP-X3‑FIT‑15.0‑W |
|---|---|---|---|---|
| AC INPUT & OUTPUT | ||||
| Nominal AC output power [W] | 6000 | 8000 | 10000 | 15000 |
| Max. AC output apparent power [VA] | 6600 | 8800 | 11000 | 22500 (10s) |
| Max. AC output current [A] | 9.7 | 12.9 | 16.1 | 21.8 |
| Max. AC input apparent power [VA] | 12000 | 16000 | 18000 (10s) | — |
| Max. AC input current [A] | 19.3 | 25.8 | 32 | 32 |
| Nominal AC voltage [V] | 400/230; 50/60 | 380/220; 400/230; 415/240; 50/60 | 380/220; 400/230; 415/240; 50/60 | 380/220; 400/230; 415/240; 50/60 |
| Displacement power factor | 0.8 leading ~ 0.8 lagging | 0.8 leading ~ 0.8 lagging | 0.8 leading ~ 0.8 lagging | 0.8 leading ~ 0.8 lagging |
| THDi (rated power) [%] | <3 | <3 | <3 | <3 |
| BATTERY DATA | ||||
| Battery type | Lithium‑ion battery / Lead‑acid Battery | Lithium‑ion battery / Lead‑acid Battery | Lithium‑ion battery / Lead‑acid Battery | Lithium‑ion battery / Lead‑acid Battery |
| Battery voltage range [V] | 180 ~ 800 | 180 ~ 800 | 180 ~ 800 | 180 ~ 800 |
| Max. continuous charge/discharge current [A] | 30 | 30 | 30 | 30 |
| SYSTEM DATA | ||||
| Switch time [ms] | <10 | <10 | <10 | <10 |
| Parallel operation | Yes | Yes | Yes | Yes |
| Max. efficiency [%] | 98.0 | 98.0 | 98.0 | 98.0 |
| Euro. efficiency [%] | 97.7 | 97.7 | 97.7 | 97.7 |
| Battery charge/discharge efficiency [%] | 98.5 / 97.5 | 98.5 / 97.5 | 98.5 / 97.5 | 98.5 / 97.5 |
| Degree of protection | IP65 | IP65 | IP65 | IP65 |
| Operating temperature range [°C] | -35 ~ +60 (Derating above +45) | -35 ~ +60 (Derating above +45) | -35 ~ +60 (Derating above +45) | -35 ~ +60 (Derating above +45) |
| Max. operation altitude [m] | <3000 | <3000 | <3000 | <3000 |
| Relative humidity [%] | 0 ~ 100 | 0 ~ 100 | 0 ~ 100 | 0 ~ 100 |
| Typical noise emission [dB] | <40 (standby) / <5 (idle) | <40 (standby) / <5 (idle) | <40 (standby) / <5 (idle) | <40 (standby) / <5 (idle) |
| Storage temperature [°C] | -40 ~ +70 | -40 ~ +70 | -40 ~ +70 | -40 ~ +70 |
| Dimensions (W × H × D) [mm] | 503 × 503 × 199 | 503 × 503 × 199 | 503 × 503 × 199 | 503 × 503 × 199 |
| Net weight [kg] | 30 | 30 | 30 | 30 |
| Cooling concept | Natural cooling | Natural cooling | Natural cooling | Natural cooling |
| Communication interfaces | Meter (optional), External control RS485, Pocket WiFi (Optional: Pocket LAN / 4G), DRM, USB Upgrade, NTC (optional) | Same | Same | Same |
| STANDARDS & CERTIFICATION | ||||
| Safety | EMC; EN / IEC62109‑1 / ‑2; EN61000‑6‑1 /2 /3 /4; EN61000‑3‑2 /3 /11 /12; VDE4105, G99, G98; AS4777; EN50549; CEI 0‑21; IEC61727; PEA / MEA; NRS‑097‑2‑1; RD1699; TOR | Same | Same | Same |



