Power your off-grid independence with the Growatt 3.5kW 120V Complete Off-Grid Solar Kit. Engineered for cabins, sheds, agricultural workshops, and emergency power, this all-in-one system includes the core inverter, expandable battery storage, floor base, main cables, and bifacial solar modules needed to deliver clean 120V AC power.
📦 Complete Kit Package (What's Included)
- 1x Off-Grid Inverter: Growatt SPF 3500TL LVM-US (3.5kW / 120V Single-Phase / 80A MPPT)
- 1x or 2x Lithium Battery: Growatt ALP 5.0L-E2 US 5.12kWh 48V LiFePO4 Module(s)
- 1x Battery Floor Base: Growatt ALP 5.0L Floor Installation Base (Part # TV01.0018000)
- 1x Main Battery Cables: Growatt ALP 2-Meter Main Power & Communication Cable Set (Part # TV01.0018200)
- 6x or 10x Solar Panels: Talesun 445W Bifacial TOPCon Mono Modules
Note: When selecting the 2x Battery option, intra-battery parallel communication and power interconnect cables are included inside the battery boxes.
⚡ Key System Features
- Pure 120V Household Power: Easily runs refrigerators, power tools, well pumps, and electronics with 3,500W continuous and 7,000VA surge capability.
- Bifacial TOPCon Solar Advantage: 445W dual-glass modules capture ambient light from both sides, generating up to 25% extra power depending on mounting surface.
- Modular & Safe LFP Storage: Cobalt-free IP66-rated battery; stack up to 8 modules (40.96kWh total) as your energy demands grow.
- Complete Main Wiring Included: Includes the official 2m main battery-to-inverter cables and floor base—no need to buy main power cables separately.
- Generator Auto-Start Capable: Integrated dry contact relay automatically triggers standby fuel generators when battery levels run low.
📐 Technical Specifications
- Inverter Model: Growatt SPF 3500TL LVM-US
- AC Output: 120V Single-Phase | 3,500W Continuous / 7,000VA Surge
- Battery Capacity Options: 5.12kWh (1 Pack) or 10.24kWh (2 Packs) @ 48V DC
- Max PV Array Input: 4,500W DC | Max PV Open Voltage (Voc): 280V DC
- Operating MPPT Range: 120V – 225V DC
- Warranty: Battery (10 Years), Inverter (2 Years), Solar Panels (25 Years)
🛠️ Additional Installation Items (Not Included)
To accommodate different site layouts and surface types, standard installation hardware is sourced separately based on your specific setup:
- MC4 Y-Branch Connectors: Standard parallel connectors if combining multiple solar panel strings.
- PV Extension Cables: Solar-rated wiring to span the distance from your solar array to the inverter.
- Mounting Racks: Roof racking or ground mounts chosen specifically for your installation surface.
- AC/DC Breakers & Switches: Standard circuit breakers, disconnects, and conduit required for your site.
Notice: All installations must comply with local and national electrical codes. Please consult a qualified electrician or solar installer to determine proper wire sizing, fusing, and safety equipment for your specific location.
