Single-Phase Off-Grid Hybrid Inverter 12kW 48V IP54 | PS-SI-B-12K

POWERSHINE PS-SI-B-12K 12kW 48V Single-Phase Off-Grid Hybrid Solar Inverter IP54

Single-Phase Off-Grid Hybrid Inverter

12kW | 48V DC | PS-SI-B-12K | IP54

The POWERSHINE PS-SI-B-12K is a high-performance 12kW single-phase off-grid hybrid solar inverter designed for residential and small commercial solar energy storage applications. Featuring an IP54-rated enclosure and a 48V DC battery system, it supports up to 15kW of solar PV input with dual MPPT technology for efficient solar energy harvesting. The inverter delivers up to 10.5kW output power in battery mode and supports a maximum charging current of 160A. With flexible solar and battery energy management, compatibility with lithium and lead-acid batteries, and parallel operation of up to six units, the PS-SI-B-12K provides a scalable and reliable solution for off-grid power generation, energy storage, and backup power applications.

Key Features

• 12kW single-phase off-grid hybrid solar inverter
• IP54-rated enclosure for enhanced dust and water resistance
• 48V DC battery system
• Up to 10.5kW output power in battery mode
• Maximum solar PV input power: 15kW
• Dual MPPT technology for efficient solar energy harvesting
• Maximum charging current: 160A
• Compatible with lithium and lead-acid batteries
• Supports parallel operation of up to 6 units
• Integrated solar inverter and battery charging functions
• Flexible solar and battery energy management
• Suitable for residential and small commercial energy storage systems
• Ideal for off-grid solar power and backup power applications

Technical Specifications

Technical Parameters	POWERSHINE PS-SI-B-12K
SOLAR PV INPUT
Maximum PV Input Power	15 kW (MPPT 1: 9 kW; MPPT 2: 7.5 kW + 7.5 kW)
Maximum PV Input Current	MPPT 1: 27 A; MPPT 2: 22.5 A + 22.5 A
Maximum PV Short-Circuit Current	33 A
Maximum PV Open-Circuit Voltage	500 V DC
PV Start-Up Voltage	80 V DC
MPPT Operating Voltage Range	60–450 V DC
AC INPUT
Rated Input Voltage	208 / 220 / 230 / 240 V AC; L+N+PE
Input Voltage Range — Normal Mode	90–280 V AC ±3 V
Input Voltage Range — UPS Mode	170–280 V AC ±3 V
Input Frequency	50 / 60 Hz
Maximum Bypass Input Current	70 A
Maximum Parallel Units	6
AC OUTPUT
Rated Capacity	12 kW
Output Power — Battery Mode	10.5 kW
Output Voltage	208 / 220 / 230 / 240 V AC
Output Frequency	50 / 60 Hz ±0.1%
Output Waveform	Pure Sine Wave
Battery Mode Overload Capacity	60 s at 102–120% load; 10 s at 120–200% load
Maximum Battery Mode Efficiency	94% at 48 V DC
Transfer Time	<10 ms
BATTERY & CHARGING
Nominal Battery Voltage	48 V DC
Supported Battery Types	Lithium / Lead-Acid
Maximum AC Charging Current	160 A
Maximum PV Charging Current	160 A
Maximum Combined PV + AC Charging Current	160 A
Maximum Battery Discharge Current	220 A
Battery Operating Voltage Range	43.2–58.4 V DC
GENERAL DATA
Display	LCD
Communication Interfaces	RS485 / CAN / USB
Remote Monitoring	WiFi / 4G (Optional)
Ingress Protection Rating	IP54
Operating Temperature	-10°C to +55°C
Relative Humidity	5–95% (Non-Condensing)
Maximum Operating Altitude	4,000 m (Derating Above 2,000 m)
DIMENSIONS & WEIGHT
Net Weight	14.2 kg
Gross Weight	15.7 kg
Product Dimensions (W × H × D)	495 × 425 × 132 mm
Package Dimensions (W × H × D)	551 × 491 × 191 mm
CONTAINER LOADING QUANTITY
20GP Container	360 Units
40GP Container	750 Units
40HQ Container	1,000 Units

Specifications are subject to change without prior notice. Container loading quantities are for reference only.

Applications

• Residential Off-Grid Solar Power Systems
• Large Home Energy Storage and Backup Power
• Small Commercial Solar Energy Systems
• Solar Installations Requiring IP54 Protection
• Solar Power Systems with Generator Backup
• High-Capacity Lithium Battery Storage Systems
• Dual-MPPT Solar PV Installations
• Scalable Parallel Inverter Systems• Rural and Remote Electrification

Request a Quote

Interested in the POWERSHINE PS-SI-B-12K 12kW Single-Phase Off-Grid Hybrid Inverter with dual MPPT technology and IP54 protection? Contact our team for detailed technical specifications, competitive factory pricing, OEM/ODM customization, and bulk order inquiries. We welcome cooperation with solar distributors, system integrators, EPC contractors, and renewable energy solution providers worldwide.