45KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +45.1KW Solar with Roof Mount and Wiring

The 45KW Complete Offgrid Solar Kit + 3x 15K Sol-Ark Inverter + 32kWh OMO 48V Freedom Series Lithium Battery +45.1KW Solar with Roof Mount and Wiring is designed for large off-grid homes, farms, and high-demand properties. Delivering approximately 202,950 watts per day with 4.5 peak sun hours, it supports usage of around 6,088 kWh per month. The system is fully scalable, allowing for seamless expansion with additional panels or battery storage in the future.

Specifications

• Solar Array: 82 × 550W bifacial mono panels (45,100W total)

• Inverters: 3 × Sol-Ark 15K hybrid/off-grid inverters (48V) with built-in MPPT charge controllers

• Battery Bank: 1 × OMO Freedom Series Heated Lithium Battery, 32kWh (48V) with Bluetooth & LCD display

• Mounting Hardware: Complete IronRidge ROOF-mount rail kit with splices, L-feet, fasteners, and bolts

• Balance of System: 3 × PV combiner boxes • 2 × 500' 10AWG MC4 solar array cable • 2 × 100' 6AWG AC output/input cable • 2 × 20' 2/0 main AC line • 3 × wire gutter boxes • AC combiner box kit (multi-Sol-Ark)

• Included Tools & Documents: MC4 crimper tool set • Anderson plug battery cable set • Installation manual • Battery Specification Sheet

Features

• Bifacial Double-Glass Panels: Rear-side energy harvesting increases output by up to 25%; excellent performance in cloudy, hazy, or low-light conditions.

• High Durability: 5400 PA snow load & 2400 PA wind load; 30-year power production warranty

• Sol-Ark System Highlights: 120/240V split-phase • Works with or without batteries • 3 × MPPT inputs • Generator support • LCD touchscreen • Wi-Fi enabled • DC transformerless • 97.5% efficiency • NEMA 3R outdoor-rated

• Scalability: System can be expanded with additional battery storage or more solar panels later

• Parallel Support: Stack up to 8 Sol-Ark units for extremely large loads

• Fast Transfer: 4-millisecond transfer time from batteries to grid/generator power

Maintenance

• Daily: Check inverter and battery indicators for normal operation

• Weekly: Inspect panel surfaces, wiring, and roof-mount hardware

• Annually: Clean panels, check fasteners, update Sol-Ark firmware, and test system backup functions

Warranty

• Solar Panels: 30-year performance warranty

• Sol-Ark Inverters: 10-year manufacturer warranty

• OMO Battery: Freedom Series manufacturer warranty