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KH/KA Series
FOX ESS
Single-Phase Hybrid/AC-Coupled Energy Storage Inverter
450*527*208mm
29 (KH) / 27.5 (KA)kg
Product Description
FoxESS H1(G2)/AC1(G2) Series Single-Phase Hybrid/AC-Coupled Energy Storage Inverter is a core energy storage product developed by FoxESS (founded in 2019) specifically for residential scenarios. The company focuses on the R&D, production and sales of PV inverters, energy storage inverters, lithium batteries, EV chargers and heat pumps. With its full industrial chain layout and technical accumulation, it provides users with an integrated solution of "PV power generation + energy storage + smart electricity consumption". Covering a power range of 3.0kW-6.0kW, this series integrates core advantages such as high-voltage compatibility, flexible installation, IP65 protection and remote monitoring, and is fully compatible with FoxESS high-voltage battery series. It efficiently utilizes solar energy for power generation and storage during the day, and releases electricity at night, realizing all-weather energy autonomy.
Wide PV Compatibility: The hybrid inverter has a maximum array power of 6000Wp-12000Wp and a maximum input power of 4500W-9000W, supporting two MPPT channels (1 string per channel). The MPPT operating voltage range is 80V-550V, the startup voltage is as low as 75V, and the maximum input voltage is 600V, which is highly compatible with various residential PV modules. It can start quickly and maintain efficient conversion even in low-light environments.
Top-Tier Conversion Efficiency: The Chinese efficiency reaches up to 96.23%, the maximum efficiency is 97.08%, the maximum charging efficiency from PV to battery is 98.50%, and the maximum discharging efficiency from battery to AC side is 97.00%, leading the industry in full-link energy efficiency. The total harmonic distortion of current (THDi) is <3%, and the power factor can be flexibly adjusted from 0.8 leading to 0.8 lagging, meeting grid connection standards and avoiding interference to household electrical equipment.
Bidirectional Energy Storage Regulation: It supports a maximum charge-discharge current of 40A, with a battery voltage adaptation range of 80V-480V, compatible with lithium iron phosphate (LFP) lithium batteries. The rated output power of 3.0kW-6.0kW can accurately match residential electricity load, and the emergency output peak power is up to 7200VA (for 60 seconds). In case of sudden power outage, it can quickly switch to power supply to ensure the continuous operation of core electrical appliances.
Compact & Lightweight Design: With dimensions of 434×418×185mm and a weight of only 22kg, it adopts a wall-mounted installation design, which can be flexibly deployed on balconies, storage rooms, equipment rooms or outdoor walls, without occupying too much indoor space, and is suitable for most house layouts.
Plug-and-Play Configuration: It supports flexible configuration and plug-and-play function, with built-in insurance protection, standardized and simplified wiring, no complex debugging required. This greatly reduces installation difficulty and construction period, and ordinary installers can complete the operation after simple training.
IP65 All-Weather Protection: It has an IP65 dustproof and waterproof rating, supporting direct outdoor installation without additional protective facilities. The operating temperature range is -25℃ to 60℃, adapting to 0%-100% non-condensing humidity environment, with a maximum operating altitude of 2000m, which can cope with climate conditions in different regions calmly.
Full-Dimensional Intelligent Detection: It has built-in insulation detection and leakage current detection functions, which monitor the circuit insulation status and leakage risks in real time, detect abnormalities in time and trigger protection. It supports battery wake-up function and CAN communication, and can be linked with the inverter to upgrade the BMS (Battery Management System) to ensure the safe operation of the battery.
Full-Scenario Fault Protection: It covers functions such as DC reverse connection protection, anti-islanding protection, AC short circuit protection, AC overcurrent/overvoltage protection, and surge protection (DC side Type II / AC side Type III). Optional DC arc protection is available to deal with sudden situations such as circuit short circuit, grid abnormality and battery failure in an all-round way, building a residential electricity safety barrier.
Compliant Quality Certification: It strictly follows international safety standards such as EN 62109-1 and EN 62109-2, and has passed a series of certifications including electromagnetic compatibility and grid connection. The product has undergone rigorous reliability tests such as high-low temperature cycles and vibration, with stable and durable quality, meeting the long-term use needs of households.
Multi-Mode Remote Monitoring: It supports WiFi, LAN (optional), 4G (optional) communication modules, accesses FoxESS intelligent monitoring platform, and is compatible with mobile APP (iOS/Android dual ends), web terminal and local LCD display. Users can view core parameters such as PV power generation, battery charge-discharge status and electricity load in real time, and adjust the operation mode remotely.
Rich Communication & Expansion: It is equipped with multiple communication interfaces such as RS485, DRM, pulse control, USB and CAN, supporting parallel operation of 10 devices, which can be flexibly expanded according to household electricity demand. It supports grid dispatching signal reception, adapts to peak-valley electricity price policies, and automatically realizes "charging at valley time and discharging at peak time" to maximize electricity cost savings.
Low-Consumption & Quiet Operation: It adopts natural cooling design, with operating noise of only 35dB, equivalent to a soft whisper, which does not affect the family living environment; the standby power consumption is <15W, minimizing energy waste during non-working periods and practicing the concept of energy conservation.
Strong Compatibility & Adaptation: The rated grid voltage is compatible with 220V/230V/240V, the frequency supports 50Hz/60Hz, and the maximum input apparent power is 6000VA-12000VA. It can stably bear the electricity demand of high-power household appliances such as air conditioners, refrigerators and water heaters, and is compatible with global mainstream grid specifications.
Brand Ecology & Guarantee: As a core product of FoxESS's energy storage product line, it is fully compatible with its own high-voltage battery series and can be seamlessly integrated into the "PV + energy storage" home energy system. Relying on the company's global service network, it provides comprehensive after-sales service and quality assurance policies, with spare parts warehouses and service teams in key regions to respond to user needs quickly.
Full-Scenario Energy Solutions: Backed by FoxESS's complete product ecosystem, it can be combined with PV modules, smart meters, EV charging piles and other products to meet diverse residential needs such as green electricity self-use, emergency power supply and peak-valley arbitrage. It helps users achieve energy autonomy, reduce electricity costs, and empower low-carbon life.
From ordinary residences, villas to small apartments, FoxESS H1(G2)/AC1(G2) Series Single-Phase Hybrid/AC-Coupled Energy Storage Inverter accurately matches the energy needs of residential scenarios with its core advantages of "high-efficiency conversion, flexible installation, safety and reliability, and intelligent management". Whether pursuing energy autonomy or wanting to reduce electricity costs, this series is an ideal choice for residential energy storage projects. It works with FoxESS to help families around the world move towards a green, smart and economical new energy life.
