Introduction
48V DC Standalone PV Inverter with Dual MPPT Solar Charger
Product Category: Off-grid Solar Inverter
Rated Power: 12kW
Battery Voltage: 48V DC
Phase: Single Phase
Topology: Standalone Off-grid Inverter
Warranty: 2 Years
1. Product Overview
The 12kW Single Phase Off-Grid Solar Inverter is a high-power standalone solar inverter designed for remote areas without reliable utility grid access.
Using a 48V DC battery system, this off-grid PV inverter integrates a high-performance solar charge controller to manage photovoltaic power generation and battery charging.
The system supports:
- Solar PV charging
- AC generator charging
- Battery energy storage
- Independent off-grid power supply
Compatible with multiple battery technologies including:
- Gel battery
- Lead-acid battery
- Lithium battery
For lithium battery applications, the inverter supports CAN and RS485 BMS communication, enabling intelligent battery management and protection.
With up to 12kW single-phase AC output, dual AC output circuits, and optional dual MPPT solar tracking, this 48V off-grid inverter provides a reliable power solution for:
- Remote homes
- Islands
- Mountain villages
- Campsites
- Small farms
- Agricultural facilities
Unlike hybrid solar inverters, this model is designed for pure standalone operation and cannot connect to the public utility grid.
For grid-connected backup applications, please refer to:
→ STH Series Hybrid On/Off-Grid Inverter
2. Core Advantages
12kW High Power Output with 48V Battery System
The inverter provides stable:
12kW continuous single-phase AC output
with a safe and reliable:
48V DC battery architecture
Advantages:
- Easy installation
- Flexible battery configuration
- Suitable for remote energy systems
Dual MPPT Solar Charging Controller
The integrated MPPT controller improves solar energy harvesting.
Configuration options:
- Single MPPT:
- 27A
- 9kW PV input
- Dual MPPT:
- 22.5A per channel
- Total PV input up to 15kW
Suitable for different rooftop and ground-mounted PV layouts.
Wide PV Input Voltage Range
The solar inverter supports:
- MPPT voltage range: 60~450V
- Maximum PV open circuit voltage: 500V
Compatible with mainstream solar modules for off-grid applications.
Dual Charging Mode
The system supports two charging methods:
Solar PV Charging
Directly charge batteries from photovoltaic energy.
AC Generator Charging
Connect with:
- Diesel generator
- AC power source
to provide backup battery charging.
This makes the inverter suitable for areas with limited solar availability.
High 160A Charging Capability
Maximum charging current:
160A
Benefits:
- Faster battery replenishment
- Better energy availability
- Suitable for high-load off-grid systems
Multiple Battery Compatibility
The inverter supports:
- Gel batteries
- Lead-acid batteries
- Lithium batteries
For lithium batteries:
- CAN communication
- RS485 communication
enable intelligent BMS protection.
Recommended battery:
→ XPB / XPE Low Voltage Lithium Battery Series
Dual AC Output Design
The inverter provides dual AC output circuits.
Advantages:
- Separate critical loads
- Better load management
- Flexible system design
Typical applications:
- Household appliances
- Lighting systems
- Water pumps
- Communication equipment
PV & AC Activation Function
The inverter supports two startup methods:
- PV power activation
- AC input activation
Suitable for remote installation and maintenance scenarios.
Outdoor Working Capability
Operating temperature:
-10℃ ~ 60℃
Suitable for harsh environments:
- Remote villages
- Farms
- Islands
- Outdoor energy systems
International Safety & EMC Compliance
The product complies with:
- IEC 62109 safety standard
- IEC 61000 EMC standard
- IEC 61683 efficiency measurement standard
3. Application Scenarios
Remote Homes Without Utility Grid
For mountain villages, islands and remote residential areas.
The system provides:
- Independent household electricity
- Solar energy utilization
- Battery backup power
Recommended solution:
→ Off-grid Energy Solutions
Campsites, RV Parks & Small Ranches
Suitable for:
- Outdoor camps
- RV bases
- Agricultural farms
- Remote tourism facilities
Applications:
- Lighting
- Water pumps
- Refrigeration
- Basic electrical equipment
Agricultural & Farm Power Supply
Provide independent electricity for:
- Irrigation pumps
- Ventilation fans
- Monitoring systems
- Farm equipment
Communication Stations & Monitoring Equipment
Suitable for independent power supply of:
- Communication towers
- Remote sensors
- Surveillance equipment
- Field monitoring systems
4. Product Certifications
The 12kW off-grid solar inverter complies with international safety and EMC standards.
Certifications:
IEC 61000-6-2
IEC 61000-6-4
IEC 62109-1
IEC 62109-2
IEC 61683
5. Technical Specifications
| Item | Parameter |
|---|---|
| AC Output Power | 12kW Single Phase |
| Battery Voltage | 48V DC |
| MPPT Configuration | Single MPPT: 27A / 9kW |
| Dual MPPT Configuration | 22.5A per channel / Total 15kW |
| MPPT Voltage Range | 60~450V |
| Maximum PV Open Circuit Voltage | 500V |
| Maximum PV Charging Current | 160A |
| Maximum AC Charging Current | 160A |
| Maximum Charging Current | 160A |
| Battery Compatibility | Gel / Lead-Acid / Lithium Battery |
| Lithium Battery Communication | CAN + RS485 BMS |
| Activation Mode | PV Activation + AC Activation |
| AC Output | Dual Circuit Output |
| Communication Interface | USB, BMS (485+CAN) |
| Wi-Fi | Not Integrated |
| Operating Temperature | -10℃ ~ 60℃ |
| Warranty | 2 Years |
6. Why Choose This 12kW Off-Grid Solar Inverter?
The 12kW Single Phase Off-Grid Solar Inverter provides a reliable and economical standalone energy solution for remote areas where grid connection is unavailable or unreliable.
Compared with traditional small off-grid inverters, this model offers:
- Higher 12kW output capacity
- Dual MPPT solar charging capability
- Multiple battery compatibility
- Generator charging support
- Flexible remote power applications
It is an ideal choice for:
- Off-grid residential projects
- Rural electrification
- Remote agricultural power systems
- Independent solar micro-energy systems
Important Notice:
This model is a pure off-grid inverter.
It does NOT support:
- Grid connection
- Utility parallel operation
- Hybrid grid-tied applications
For systems requiring:
- Grid connection
- Solar self-consumption
- Backup power
please select:
→ STH Series Hybrid Solar Inverter
We support:
- Bulk purchasing
- OEM customization
- Technical documentation
Contact our sales team for quotations and datasheets.
Related Recommended Products
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HPIXP High Voltage Stackable Energy Storage System
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Off-grid Energy Solutions
Complete standalone solar power solutions for remote areas.
