
The 1200W 12V off-grid hybrid inverter is a compact pure sine wave off-grid solar inverter designed for small residential and mobile power systems. Supporting both lithium and lead-acid batteries, it features an integrated MPPT solar charger with a wide PV input range from 18–125V for improved solar harvest. With lithium battery activation, stable AC output, and user-friendly LCD monitoring, it is ideal for RVs, cabins, boats, and backup power applications. Reliable power delivery with a power factor of 1.0 ensures compatibility with sensitive electronics.
The Features of1200W 12V off-grid hybrid inverter

BMS
Support Lithium/Lead-acid Battery
Display
LCD Display
Wave
Pure Sine Wave
PF
Power Factor 1.0
Solar
Built-in 60A Solar Charger
Charger
Lithium Battery Activation
MPPT
Wide MPPT Range 18-125V

BMS
Support Lithium/Lead-acid Battery
Display
LCD Display
Wave
Pure Sine Wave
PF
Power Factor 1.0
Solar
Built-in 60A Solar Charger
Charger
Lithium Battery Activation
MPPT
Wide MPPT Range 18-125V
The Technical Parameter of 1200W 12V off-grid hybrid inverter
| Item | Specification |
|---|---|
| AC Input | |
| Rated Input Voltage (VAC) | 208 / 220 / 230 / 240; L + N + PE |
| Voltage Range (VAC) | 90~280±3 (normal mode); 170~280±3 (UPS mode) |
| Frequency (Hz) | 50 / 60 (Auto Adaptive) |
| AC Output | |
| Rated Capacity (kW) | 1.2 |
| Surge Power (kVA) | 2.4 |
| Output Voltage (VAC) | 208 / 220 / 230 / 240 |
| Power Factor (PF) | 1 |
| Output Frequency | 50/60Hz ±0.1% |
| Switch Time (ms) | 10 |
| Wave Form | Pure Sine Wave |
| Overload Capacity (Battery Mode) | 60s@102%~110%; 10s@110%~130%; 3s@130%~150%; 0.2s@>150% |
| Max. Efficiency (Battery Mode) | 90% @ 12VDC |
| Charger (PV / AC) | |
| Solar Charger Type | MPPT |
| Max PV Input Current / Power | 14A / 1000W |
| Operating Voltage Range (VDC) | 18~100 |
| Max PV Open Circuit Voltage (VDC) | 125 |
| Max PV Charge Current (A) | 60 |
| Max AC Charge Current (A) | 60 |
| Max Charge Current (PV + AC) (A) | 120 |
| Battery | |
| Nominal Battery Voltage | 12.8V |
| Floating Charge Voltage (VDC) | 14 |
| Overcharge Protection (VDC) | 14.6 |
| Battery Type | Lithium and Lead-acid |
| Interface | |
| Display | LCD |
| Communication | RS485 / RS232 |
| General Data | |
| Ingress Protection | IP21 |
| Operating Temperature | -10°C ~ +50°C |
| Relative Humidity | 5% ~ 95% (Non-condensing) |
| Storage Temperature | -15°C ~ +60°C |
| Net / Gross Weight (kg) | 3.2 / 4.6 |
| Dimension | |
| Product Size (mm) | 226 × 330 × 101 |
| Package Size (mm) | 410 × 306 × 160 |
| Max Operating Altitude | 4000m (Derating above 1000m) |
| Activation | |
| AC Activation | Yes |
| PV Activation | Yes |


1200W 12V off-grid hybrid inverter
- Pure sine wave output ensures safe operation of sensitive devices
- Integrated 60A MPPT charger with improved solar tracking efficiency
- Lithium battery activation for automatic wake-up and protection
- Wide PV input range (18–125V) suitable for small to mid-sized arrays
- Compact structure, easy installation, low noise operation
- Suitable for RV, mobile cabin, marine applications
Why Choose the INV 1200-12 SINGLE PHASE OFF-GRID INVERTER?
Compact Yet Reliable
With 1.2kW rated capacity and pure sine wave output, this inverter is ideal for small households, offices, and backup applications where stable and clean power is essential.
Wide Compatibility
Works with both lithium and lead-acid batteries, providing adaptable energy storage solutions to meet different user requirements and budgets.
Dual Charging Options
Supports both solar charging (MPPT, up to 1000W) and AC charging, with a maximum combined charging current of 120A, ensuring flexibility and faster battery recovery.
High Efficiency
Delivers up to 90% efficiency at 12VDC battery mode, reducing energy loss and improving overall system performance.
Smart Protection
Equipped with overload, overcharge protection, LCD display, and RS485/RS232 communication for safe and convenient operation.
User-Friendly Design
Lightweight and compact (only 3.2kg net weight), easy to install, and suitable for use in homes, RVs, and small off-grid systems.
Pure Sine Wave Output
With its “perfect” sine wave output, the power produced by the inverter ensures your sensitive loads are supplied correctly.
Reliable Performance
With AC/PV activation, IP21 protection, and a wide operating temperature range (-10℃ to +50℃), it ensures consistent and safe operation in various environments.