1200KW-100000W Off-grid Transformer-based Low Frequency Solar Inverter Bulit-in MPPT Controller

Powered by the Latest AI Power Management Algorithm

Better Charges And Discharges The Battery, Activates Lithium Battery Energy, Delays Lithium Battery Passivation, And Can Extend Battery Life By One-Third; Equipped with Loongson A1200 DSP Digital CPU

Multiple Protections, Take The Lnitiative To Block The Danger And Escort The Stable Operation Of Your Equipment.

Inverter Industry Innovation: Exclusive Toroidal Transformer Design

Low no-load loss, less than half that of same-power high-frequency machines, Superior anti-interference performance, High overload capacity.

Solar System Operation Diagram

Hardcore High-Power Output | One Device For All-Scenario Power Supply, Compatible with Inductive Loads Such as Electric Drills, Water Pumps, Air Conditioners and Water Heaters

Multiple Communication Functions

Supports Lithium Battery Bms Communication, External Wifi Connection, And Generator Auto-Start Dry Contact Function.

Product Dimension And Details

Exquisite Craftsmanship In Every Detail, Designed For Long-Lasting Durability

Battery Port & WiFi (optional)

Full-Link Communication Coverage | Wired + Wireless Dual Solutions, No Scene Restrictions.

OEM/ODM Service

We support brand customization services, no matter what product, what color, what specification, Your Inverter, Your Rules!

Production Parameters

Model	KK9680-1.2KW/40A	KK9681-1.2KW/60A	KK9682-1.2KW/24V	KK9683-1.6KW/24V	KK9684-2.4KW/24V	KK9685-3KW/24V	KK9686-4KW/48V	KK9687-5KW/48V	KK9688-6.4KW/48V	KK9689-8KW/48V	KK9690-10KW/48V
Power Input	220VAC (Standard) / 110VAC (Customized)
Input Voltage Range	220V Model: 154–264VAC±3V (Normal Mode) / 185–264VAC±3V (UPS Model) 110V Model: 77–132VAC±3V (Normal Mode) / 92–132VAC±3V (UPS Model)
Output frequency	50/60Hz±5%
Rated Output Power	1200W		1200W	1600W	2400W	3000W	4000W	5000W	6400W	8000W	10000W
Output Voltage Under Mains Supply	The output voltage is synchronized with the input voltage in mains mode.
Output Frequency Under Mains Supply	The output frequency is synchronized with the input frequency in mains mode.
Output Voltage in Inverter Mode	220VAC±10% (110VAC±10%)
Output Frequency in Inverter Mode	50HZ OR 60HZ±1%
Output Waveform in Inverter Mode	Pure Sine Wave
Battery Type	External Lead-Acid Battery, Flooded Lead-Acid Battery
Battery Voltage	12VDC		24VDC				48VDC
Battery Charging Voltage	13.7VDC		27.4VDC				54.8VDC
Maximum PV Input Power	540W	800W	1600W				3200W	6400W
PV Input Voltage Range	16V-55VDC	16V-80VDC	30V-150VDC				60V-150VDC
Maximum PV Input Voltage	55VDC	80VDC	150VDC				150VDC
Optimal Vmp Operating Range	18V-30VDC		30-105VDC				60-105VDC
Maximum Solar Charging Current	40A	60A	60A	60A	60A	60A	60A	120A
Transfer Time	≤10ms (UPS Mode) / ≤20ms (INV Mode)
Peak Load Ratio	(MAX)3:1
Protection Functions	Mains Mode: Input Overcurrent Protection via No-Fuse Breaker
	Inverter Mode: Overload Protection, Short-Circuit Protection, Low-Voltage Protection, Reverse Polarity Protection (Fuse)
Status Display	Color Segment LCD Screen + LED Indicators
	Parameters such as AC voltage, AC frequency, PV voltage, PV current, output voltage, output frequency, battery voltage, and load current can be viewed via the page-turning button.
	LED indicators display mains supply status, charging status, inverter status and fault status
Audio Prompt	The buzzer emits different alarm sounds according to fault codes, which are distinguished by long and short tones.
Operating Temperature	-10℃~50℃
Storage Temperature	-15℃~45℃
Relative Humidity	-10°C ~ 90°C, Non-condensing
Noise Level	＜45dB
Product Dimensions (mm)	345255125		465310135					545400175
Package Dimensions (mm)	435333193		520385195					657504257
NW (kg)	9.73		11.72	14.74	15.39	18.97	20.08	27.59	34.86	39.23	50.68
GW (kg)	10.54		13.05	15.96	16.63	20.22	21.3	30.61	37.18	42.69	53.87