Name: 10kW Off-Grid Solar Inverter
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10kW Off-Grid Solar Inverter

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Product Description

10kW Off-Grid Solar Inverter

Certifications: CE, IEC 62109, IEC 61727, UL, TUV, RoHS

Rated Output Power: 10,000W / 10kVA

Peak Power: 20,000W (5~10 seconds)

Battery Voltage: 48V DC

Output Waveform: Pure Sine Wave

MPPT Charge Controller: Built-in, 120A / 150A / 160A / 200A (varies by model)

Max PV Input Power: 11,000W ~ 15,000W

Protection Level: IP20 / IP21 (indoor) / IP52 / IP54 (outdoor optional)

Transfer Time: 10ms (UPS mode) / 20ms (Appliance mode)

Product Description

The 10kW Off-Grid Solar Inverter is a core independent power supply device designed for medium households, small commercial applications, and areas without grid access. It integrates PV charge control, battery charge/discharge management, DC-AC inversion, and load power supply. Using a 48V low-voltage battery bank as the energy storage core, the system efficiently harvests PV power through a built-in MPPT charge controller and outputs pure sine wave AC power for loads, achieving fully independent off-grid operation.

The product adopts high-frequency switching technology with high power density, compact size, light weight, and high overall efficiency. The built-in MPPT solar charge controller has an MPPT voltage range of 60~450VDC (varies by model) and supports a maximum PV input power of 11,000W~15,000W, allowing PV oversizing to boost generation during early/late hours and cloudy days. The pure sine wave output has a total harmonic distortion of ＜3%, safely driving air conditioners, refrigerators, water pumps, motors, and various inductive and capacitive loads. Motor load capability reaches 6~7 horsepower.

The system supports flexible priority settings among PV, grid/generator, and battery, selectable via LCD screen among PV priority, grid priority, or battery priority modes. Battery compatibility is strong, supporting lead-acid (AGM, Gel, Flooded) and lithium-ion batteries, with lithium charging strategies adaptive to BMS (RS485/CAN communication). Some models feature dual MPPT and support split-phase 120/240VAC output (US standard) or 230VAC single-phase output (EU standard). The system supports parallel expansion of up to 6 units or three-phase configuration, flexibly expandable to 60kW for various off-grid power needs. The product is equipped with comprehensive protection functions including battery over-discharge protection, overload protection, over-temperature protection, short circuit protection, and output overvoltage protection, ensuring safe and reliable system operation.

Application Scenarios

Medium Household & Villa Off-Grid PV Systems — Provide independent power for daily lighting, TV, refrigerator, air conditioner, washing machine, water pump, and other household appliances in remote mountainous areas, plateaus, and pastoral regions without grid coverage. A single 10kW unit meets whole-house off-grid power needs of medium households

Small Commercial & Office Spaces — Provide independent power for small shops, offices, clinics, B&Bs, and restaurants, supporting stable operation of air conditioners, freezers, and POS systems

Communication Base Stations & Monitoring Systems — Provide stable and reliable off-grid power for communication base stations, microwave relay stations, 5G auxiliary power supply, and video surveillance equipment in remote areas, supporting unattended operation

Emergency Backup Power — Provide uninterrupted power for emergency lighting, communication equipment, and medical devices during natural disasters or grid failures

Islands & Border Outposts — Work with PV modules to build independent microgrids, solving power supply issues for remote islands and border outposts, supporting multi-unit parallel expansion

Agriculture & Field Operations — Provide mobile off-grid power for agricultural irrigation pumps, geological exploration equipment, and temporary construction sites

RV & Marine Power Systems — Provide AC power for large RVs and marine systems, supporting PV charging and complementary grid/generator charging

Pastoral Areas & Remote Schools — Provide economical and practical independent power solutions for pastoral settlements, remote schools, and health stations

Product Parameters

The following are general specifications for mainstream 10kW off-grid inverters, classified by 48V single-phase and 48V split-phase platform:

Category	Item	48V Single-Phase (Typical)	48V Split-Phase (Typical)
DC Input Parameters	Rated Battery Voltage	48 VDC	48 VDC
	Battery Voltage Range	40 VDC ~ 60 VDC	40 VDC ~ 60 VDC
	Battery Type	Lead-acid (AGM/Gel/Flooded) / Li-Ion / Self-Defined	Lead-acid (AGM/Gel/Flooded) / Li-Ion / Self-Defined
	Li-ion BMS Communication	RS485 / CAN	RS485 / CAN
PV Input Parameters	Built-in MPPT Charge Controller	Yes, 120A / 150A / 160A / 200A	Yes, 120A / 200A
	Number of MPPT	1 / 2	2
	Max PV Input Power	12,000W ~ 15,000W	11,000W ~ 15,000W
	Max PV Open-Circuit Voltage	145VDC / 500VDC (varies by model)	500VDC
	MPPT Voltage Range	60-130VDC / 125-425VDC (varies by model)	125-425VDC
	Max Input Current per MPPT	22A ~ 30A	22A + 22A
	MPPT Tracking Efficiency	＞99%	99.9%
AC Output Parameters	Rated Output Power	10,000W / 10,000VA	10,000W
	Peak Power	20,000VA (5 seconds)	20,000W (5~10 seconds)
	Rated Output Voltage	230VAC ± 5%	120V single-phase / 240V split-phase
	Rated Output Frequency	50Hz / 60Hz (auto-sensing)	50Hz / 60Hz
	Output Waveform	Pure Sine Wave	Pure Sine Wave
	Output Current	43.5A (230VAC)	80A
	Motor Load Capability	6HP ~ 7HP	6HP
	Peak Efficiency (Inverter)	92% ~ 93%	92% ~ 98%
	Overload Protection	5s @ ≥150% load; 10s @ 105%~150% load	Anti-delay overload protection algorithm
	Crest Factor	3:1	3:1
AC Input Parameters	Nominal Input Voltage	230VAC	240VAC
	Acceptable Voltage Range	170~280VAC (UPS) / 90~280VAC (APL)	90V ~ 275V
	Max AC Charge Current	120A	120A
	Max Hybrid Charging Current	280A (PV + Grid)	200A (PV + Grid)
	Transfer Time (UPS Mode)	10 ms	10 ms
	Transfer Time (Appliance Mode)	20 ms	20 ms
Efficiency Parameters	Max Efficiency	93% (inverter) / 98% (solar charging)	92% (battery inverter) / 98% (solar charging)
	MPPT Tracking Efficiency	＞99%	99.9%
	Line Mode Efficiency	94% ~ 98% (ECO mode)	＞95%
General Parameters	Protection Level	IP20 / IP21 / IP52 (varies by model)	IP20 / IP54 (varies by model)
	Operating Temperature	-10℃ ~ 50℃	-10℃ ~ 55℃ (derating ＞45℃)
	Storage Temperature	-15℃ ~ 60℃	-15℃ ~ 60℃
	Relative Humidity	5% ~ 95% (non-condensing)	5% ~ 95% (non-condensing)
	Cooling Method	Smart fan cooling	Smart fan cooling
	Noise	≤60 dB	≤60 dB
	Installation	Wall-mounted	Wall-mounted
	Dimensions (W×H×D)	Approx. 503×600×141mm ~ 520×650×142mm	Approx. 620×435×130mm
	Net Weight	Approx. 21kg ~ 29.5kg	Approx. 27kg ~ 65kg
Protection Functions	DC Protection	Battery over-discharge, overcharge, reverse polarity protection	Same
	AC Protection	Output overload, short circuit, output overvoltage protection	Same
	Other Protection	Over-temperature protection, fan failure detection, deep discharge protection	Same
Communication & Monitoring	Communication Interfaces	USB / RS485 / RS232 / CAN / WiFi / Dry contact	USB / RS485 / CAN / WiFi / Bluetooth / Dry contact
	Monitoring	LCD screen / WiFi (optional) / Mobile APP (optional)	LCD screen / WiFi (optional) / Mobile APP (optional)
	Parallel Expansion	Up to 6 units	Up to 6 units
	Parallel Mode	Single-phase parallel / Three-phase parallel	Single-phase parallel / Split-phase output

System Components

The system consists of a PV MPPT charge control unit (with maximum power point tracking module and 120A~200A charge controller), battery charge/discharge management unit (supporting adaptive management of lead-acid and lithium-ion batteries), DC-AC inversion unit (high-frequency pure sine wave output, rated power 10kW), AC bypass and charging unit (grid/generator input switching and battery charge management, max hybrid charging current 280A), intelligent control and protection unit (including LCD display, multi-mode priority settings, and comprehensive protection functions), communication and monitoring unit (including USB/RS485/CAN interfaces and optional WiFi monitoring module), and wall-mounted metal enclosure. The system supports flexible priority settings among PV, grid/generator, and battery, with operation parameter viewing and mode switching via LCD screen or mobile APP. Some models feature built-in transfer switch and surge/short-circuit protection, supporting split-phase 120/240VAC output.

Factory Display

FAQ

Q : How much money can a C&I energy storage system save my business?
A : Savings depend on your electricity consumption, local peak/off-peak price differentials, and system capacity. For a 215kWh system with one charge-discharge cycle per day, assuming a price differential of $0.10/kWh, a single cycle can save approximately $21.50. Actual returns vary by local utility rates and load profiles. We can provide a customized ROI analysis for your business.
Q : How do I choose the right storage capacity for my business?
A : Capacity selection is based on two key factors: peak load power (determines PCS rating) and energy shifting demand (determines battery capacity). Typically, we analyze your past 12 months of utility bills to calculate maximum demand and off-peak charging needs. We recommend leaving about 20% capacity margin for future load growth.
Q : What is the typical payback period for a C&I ESS?
A : The payback period for C&I energy storage projects is typically 3–6 years, depending on local peak/off-peak price differentials, system costs, government incentives, and your company's self-consumption capability. With declining battery costs and ongoing power market reforms, payback periods continue to shorten.
Q : Liquid-cooled vs. air-cooled – which should I choose?
A : Here's a quick comparison:
Liquid-cooled series: Provides precise thermal control with temperature differences maintained within < 3°C, significantly extending battery cycle life and improving efficiency in high-temperature environments. Ideal for high-density, high-power projects.
Air-cooled series: Mature technology with lower upfront investment and simpler maintenance. Suitable for small to medium-sized projects or cost-sensitive applications.