4200W On/Off-Grid Hybrid Inverter, PV Priority MPPT 50/60Hz
4200W On/Off-Grid Hybrid Inverter, PV Priority MPPT 50/60Hz — 4200W hybrid solar inverter in the 3KW / 5KW search class. Key specifications: rated output 4200W, input voltage 220/230/240VAC, input voltage range 90VAC-280VAC ±3V, input frequency 50/60Hz, max. conversion efficiency 98%, max. PV input 6500w. CAN/RS485 battery communication. Datasheet, MOQ, lead time and quotation on request.
Capacity class: approximately 3-5 KW (rated 4200W). Common search sizes: 3KW / 5KW.
Product Overview
The 4200W On/Off-Grid Hybrid Inverter, PV Priority MPPT 50/60Hz is an approximately 3-5 KW (rated 4200W) designed for Residential Rooftop Home. Key ratings: input voltage: 220/230/240VAC; voltage range: 90VAC-280VAC ±3V. Supports both 50Hz and 60Hz mains for export markets. Buyers searching a 3kw/5kw unit in this class get the same build with on/off-grid hybrid inverter engineering.
Brief description
This single phase off grid on grid hybrid inverter integrates inverter and MPPT charger all-in-one. It supports PV>BAT>GRID energy priority logic, with 500VDC wide PV input and 120A high charging current. Pure sine wave output protects household appliances, compatible with lithium and lead-acid batteries. It switches to battery power instantly during blackouts, with full safety protections and WiFi remote monitoring, ideal for rooftop home solar storage systems
Features
1. Dual On/Off Grid Working ModeÂ
Support two working modes freely switchable. It can connect to grid for surplus power feed-in, and run independently without utility power as emergency backup during blackouts.
2. PV>BAT>GRID Energy Priority LogicÂ
Solar power supplies loads first, excess energy charges batteries; only when PV and battery are insufficient will the grid supplement electricity, cutting power bills effectively.
3. High Current MPPT & Wide PV Voltage InputÂ
Built-in high-power MPPT controller, supports up to 500VDC PV open circuit voltage, low-light weak solar current can also charge batteries efficiently.
4. Comprehensive Safety Protection & WiFi MonitoringÂ
Equipped with overvoltage, short circuit, overheat and reverse connection protection. Connect WiFi to check power generation, battery status anytime via mobile APP.
parameters
input voltage | 220/230/240VAC |
voltage range | 90VAC-280VAC ±3V |
input frequency | 50/60Hz |
Output power | 4200W |
Output voltage | 220/230/240VAC±5% |
Grid-connected output voltage | 220/230/240VAC±5% |
Maximum conversion efficiency | 98% |
pv maximum input power | 6500w |
Applications
1. Residential Rooftop HomeÂ
Feature: Realize self-consumption of rooftop solar, feed surplus power to grid to reduce electricity bills. Auto switch to battery power when power cuts, stable power supply for daily household appliances.
2. Rural & Farm HouseÂ
Feature: Adapt to unstable rural grid voltage. Supports all farm equipment like water pumps, lighting. Large MPPT charging current works well in weak sunlight for all-day energy storage.
3. Villa Balcony Solar SystemÂ
Feature: Wall-mounted compact design saves space. Wide PV voltage fits small balcony solar panels. Multiple safety protections ensure long-term outdoor stable operation.
4. Off-Grid Remote AreasÂ
Feature: Independent off-grid operation without utility power. Compatible with lithium & lead-acid batteries, serves mountain cabins, pastoral stations as full-time independent power supply.
Product details
Rooftop Solar Ready | On/Off-Grid Hybrid | Smart Energy Storage | Auto Switchover for Uninterrupted Power
Suitable for Courtyard & Rooftop Solar | All-in-One On/Off-Grid Hybrid | Smart Energy Storage | Weatherproof & Durable
Balcony Solar All-in-One Inverter – On/Off-Grid Hybrid | Compact Wall-Mount Design
FAQ
Q: Is this hybrid inverter suitable for small apartments with balcony solar panels?
A: Yes. Its compact, wall-mount design takes up minimal space and is sized for balcony PV installations. Paired with a storage battery, it enables solar self-consumption to directly reduce your electricity bills.
Q: Will my appliances lose power during a blackout?
A: No. The inverter features millisecond-level automatic switchover (<10ms) to battery power, providing seamless UPS backup-your fridge, lights, and Wi‑Fi will continue running without interruption.
Q: Is it safe for long-term outdoor balcony installation?
A: Yes. The enclosure is dust- and moisture-resistant, with built-in protections against PV/battery reverse polarity, over-temperature, overload, and short circuit-ensuring safe, stable performance in outdoor environments.
Battery Compatibility & CMX Storage
Battery communication uses CAN/RS485; confirm pack compatibility by model before ordering. CMX home-storage battery modules are available as a bundled option for whole-home backup.
Ideal For
- Residential Rooftop Home
- Rural & Farm House
Request a Quote — 4200W On/Off-Grid Hybrid Inverter, PV Priority MPPT 50/60Hz
Send the model, required quantity and destination market. Our team will reply with the controlled datasheet, MOQ, lead time and a written quotation. Prefer email? sales@cmxbattery.com or contact us.
| Product Line |
Solar Inverters |
|---|---|
| Brand |
CMX |
Professinal Package
Lithium batteries are DG goods. The shipping must according to MSDS and UN38.3 regulations. Coremax lithium batteries have passed all required rules. All batteries packed with foams in a brown carton box. Then fit into wood case or wooden pallet. The packing materials provide strong protections to inside batteries. Make sure customer receive batteries in a best condition.
How to ship lithium battery packs.
- 1. For small lithium batteries cells and small battery packs, we can ship by air or express.
- 2. For heavy shipment and higher wh/ batteries, we will shipping by freight. For large order, we ship by containers.
- 3. Coremax provides standard shipping to most area like USA and Europe. Shipping service include DDU. DDP. Please confirm with our sales team for the latest shipping rate.
Lithium ion batteries are different from normal shipment. It requires special shipping forwarder to take care of them. You are welcome to use your shipping agent. Before that, please confirm with your agent as these are DG shipment. We provide shipping service to most area and different country. As battery weight and detail address will cause a different shipping rate. Please contact us for the exactly shipping cost on your order.
About COREMAX
Through cooperation with famous university on constant research and development in new technologies on BMS and Lithium batteries, we are heading toward leader status in the BESS industry due to its high-end technology. With rich experience and knowledge, we offer competitive and reliable LiFePo4 battery systems to promote the brand image, which in-turn has a profound influence on the whole industry. Innovations in research and development provide the best returns for our customers while at the same time providing the inspiration for our further development. Through great management, talented and forward-thinking engineers, high-quality products and first-class customer service, we aims to provide the best vapor experience. To our delight, we have earned a reputation all around the world. We believe that based on honest business practices and stable development, we can be all you want. Our goal is that everyone has a great experience with us, in accordance with our slogan of all for your health. Operation Philosophy: Quality and customer service are the decisive factors in any enterprise future. With that in mind, we implement the policy: Customer first, Quality first. Our forward thinking strategy has made us a consistent source of innovation across the industry in E-cigarettes and our production flexibility has allowed us to keep pace with the changing demands.
Shipping
With strict operating delivery systems in place, customers in the UK, Western Europe, and the US can be delivery door to door service. There is no more additional works on custom clearance for small quantity order.
Customer Service:
As the LiFePo4 lithium battery storage system industry is expanding rapidly in such a short amount of time, there is a high demand for certain products that take weeks and even months to arrive at the retailer. We are looking for distributors from different country like USA, Australia, Germany, England, Lebanon and South Africa..
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