KFFKFF Solar Hybrid Inverter, 3500W Single-Phase Comprehensive Pure Sine Wave Energy Converter Charger, 24V DC to 220/230V AC, Integrated with 100A MPPT Solar Regulator
KFFKFF Solar Hybrid Inverter, 3500W Single-Phase Comprehensive Pure Sine Wave Energy Converter Charger, 24V DC to 220/230V AC, Integrated with 100A MPPT Solar Regulator
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KFFKFF Solar Hybrid Inverter, 3500W Single-Phase Comprehensive Pure Sine Wave Energy Converter Charger, 24V DC to 220/230V AC, Integrated with 100A MPPT Solar Regulator

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Key item features

  • Hybrid Power: This 2-in-1 hybrid solar inverter combines an inverter and controller, providing a 3500W pure sine wave output at 220/230V AC for off-grid solar photovoltaic systems.
  • Efficient Charging: Equipped with an advanced MPPT solar charge controller, it supports up to 100A battery charging with 94% conversion efficiency, handling up to 4000W and 60-500V DC.
  • Battery Versatility: Designed for 24V battery systems, it supports lithium, lead-acid, and custom batteries, with optimization and activation functions for lithium battery performance.
  • Smart Monitoring: A built-in WiFi module enables remote monitoring, while on-device buttons allow adjustment of charging modes (Solar Only, Mains Only, Solar & Mains) and output modes (UTL, SOL, SBU, SUB).
  • Robust Protection: Comprehensive protection features include over-temperature, over current, over voltage, under voltage, short circuit, and overload protection for system security.
  • Flexible Operation: Offers three charging modes (Solar Only, Mains Only, Solar & Mains hybrid) and four output modes (UTL, SOL, SBU, SUB), functioning as a UPS backup during power outages.
  • Versatile Application: Suitable for home, RV, and outdoor camping, this inverter supports solar, generator, and mains power inputs for continuous energy supply.
  • Compact Dimensions: The unit measures 14.37 x 12.13 x 4.13 inches (365 x 308 x 105 mm) and weighs 13.45 lbs (6.1 kg).
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Specs

Surge wattage, 7000 WVolts, 220 VBrand, KFFKFFFeatures, LCD DisplayDimensions, 18.50 x 14.96 x 7.28 inWeight, 15.65 lb

About this item

Product details

Product Description

3500W Hybrid Solar Inverter
Introducing our innovative 2-in-1 hybrid solar inverter controller that offers a remarkable 3500W pure sine wave output and an impressive peak performance of 7000VA. With our advanced MPPT technology, you can achieve up to 94% conversion efficiency, ensuring optimal power utilization. This hybrid solar inverter is designed to be compatible with a wide range of battery types including lithium, lead-acid, and LiFePO4, and it even features a lithium activation function. Experience efficient and reliable power conversion with our state-of-the-art hybrid solar inverter.
Dependable Power Solution
Experience the reliability of our KFFKFF hybrid solar inverter with its robust 3500W rated output. Designed to meet the demands of high-energy applications, this inverter also offers a peak power output of 7000VA and exceptional surge resistance. Count on consistent and stable power delivery for all your electrical needs.
Unleash the Potential of Lithium Batteries
Activate the full potential of your lithium batteries with our KFFKFF hybrid solar inverter. This support enables smarter, more efficient, and reliable power supply, while also extending battery lifespan and reducing maintenance costs.
Flexible Charging and Output Options
Tailor your power supply with our KFFKFF hybrid solar inverter. Choose from three charging modes: Solar Only, Mains Only, or Solar & Mains hybrid charging. Adjust output modes easily with UTL, SOL, SBU, and SUB options. As a UPS backup power, it seamlessly switches during power outages, ensuring uninterrupted power to your devices.
Intuitive LCD Display
Stay informed with the user-friendly LCD display of our KFFKFF hybrid solar inverter. Effortlessly monitor system status and parameters, and conveniently adjust program modes and settings using the physical buttons for maximum control and convenience.
Versatile Power Solution
Enhance your power needs with our 2-in-1 KFFKFF hybrid solar power inverter. Whether you're at home, in your RV, or enjoying outdoor camping, this versatile inverter is designed to meet your power requirements, providing convenience and sustainability to elevate your lifestyle.
Reliable Power from Multiple Sources
Never worry about running out of power with our KFFKFF hybrid solar inverter. With support for solar input, generator input, and mains power, you can achieve continuous power supply from various energy sources, ensuring you always have power, regardless of the situation.

Specifications

Item Model Number: EM3500-24L
Inverter Output Voltage: AC 220/230V 50/60Hz
Inverter Response Time: 10 ms (UPS); 20 ms (Appliance)
Output Waveform: Pure Sine Wave
Battery Type: 24V Lead Acid/Lithium/LIFePO4 Battery
Output Power: 3500W
Maximum Charging Current: 100A (PV & PV + AC) / 80A (AC)
PV Array MPPT Voltage Range: 60-500VDC
No-Load Power Consumption: 35W
Product Dimensions: 14.37 x 12.13 x 4.13 in / 365 x 308 x 105 mm
Net Weight: 13.45 lbs / 6.1 kg

Package Content

1 x Hybrid Solar Inverter Charger
1 x WiFi Antenna
1 x User Manual
  • 2-in-1 Hybrid Solar Inverter: The KFFKFF 2-in-1 hybrid solar inverter combines an inverter and controller in a single, efficient unit. It provides a powerful 3500W pure sine wave output at 220/230V AC, meeting high-energy demands for off-grid solar photovoltaic systems.
  • Efficient MPPT Charging Technology: Equipped with an advanced MPPT solar charge controller, the KFFKFF hybrid solar power inverter supports up to 100A battery charging, boosting solar energy conversion efficiency to 94%. It has a maximum power of 4000W and a voltage range from 60V to 500V DC, ensuring compatibility with a wide range of solar systems.
  • Compatible with Various Battery Types: The KFFKFF hybrid inverter charger is designed for 24V battery systems and supports various battery types, including lithium, lead-acid, and custom batteries. It is specially optimized for lithium battery systems and features an activation function to enhance battery performance.
  • Smart Monitoring, Stay In Control: With a built-in WiFi module, the KFFKFF solar power inverter allows for remote monitoring via WiFi, ensuring excellent connection stability. You can easily track your system's status anytime, anywhere. The on-device buttons enable easy adjustment of different charging modes (Solar Only, Mains Only, or Solar & Mains hybrid charging) and output modes (UTL, SOL, SBU, and SUB). It is suitable for powering most devices in your home or office.
  • Comprehensive Protection Features: The KFFKFF off-grid hybrid solar inverter prioritizes your system's security with multiple protection features, including over-temperature, over current, over voltage, under voltage, short circuit, and overload protection. You can have peace of mind knowing that your circuit and power source are well-protected.
  • Notice: For 110/120V American household electrical appliances, you can simply add a transformer (not included) to step down the 220/240V AC power to 110/120V AC power, and then your 110V household appliances can also be used simultaneously. However, please note that the power of the transformer you add needs to be greater than that of the inverter. This inverter cannot output 110V power; it is a single-phase 220V output inverter.
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Specifications

Surge wattage

7000 W

Volts

220 V

Brand

KFFKFF

Features

LCD Display

Warranty

Warranty information

One Year

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Showing 1-1 of 1 review

May 10, 2025
Reviewer name: dan
Sold and shipped byKFFKFF Sports & Outdoor
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

So far so good.

So far I'm impressed. The 6000w 48v-230v sold out faster than I could make up my mind to buy, so I settled for the 3500w 24v-230v version instead. I'm going to use it (eventually, hopefully) to run my 18k minisplit. The inverter is not fully installed yet but preliminary testing looks good. The unit, with the brand name of Vevor (not KFFKFF), arrived quickly and safely packaged. While smaller than expected, everything about this hybrib inverter looks and feels top quality. The fit and finish is excellent; push-button controls are user friendly; the manual is logical and readable; the set-up is easy; wire connectors are well marked and solid. Once everything is hooked up, you can go with the preset defaults or enter a multitude of options in the settings mode. Two quiet (always on) fans draw a constant flow of air through 2 washable filters -- a thoughtful feature that will help keep the electronics clean. Only 1 minor flaw that I noticed: A blinking light, indicating battery charging, is always on regardless of whether the battery is being charged. When I hooked up the battery, the charge light automatically started blinking. That seemed odd but maybe it was me; I haven't spent a lot of time with it yet. As soon as I find a permanent home for this inverter, I'll be running it a lot. And if all goes well, you probably won't hear from me again.

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