Growatt 3.5 kW Off-Grid Solar Kit – 2700W Panels + Battery

3.5kW Off-Grid Solar Power for Cabin or Cottage

Growatt SPF 3500TL LVM-US inverter with a 2,700W array of six Canadian Solar 450W panels and your choice of LiFePO4 battery storage.

Growatt SPF 3500TL LVM-US Inverter

3,500W rated output; 120V AC; integrated MPPT solar charging; utility or a compatible generator as an alternate AC input, subject to suitable source-selection equipment. Wi-Fi monitoring included. Install in a dry, ventilated, protected location per the manual.

Available power depends on battery limits, solar input, temperature, state of charge and loads. One ALP module provides up to 3kW continuous DC discharge; battery-only AC output is lower after inverter losses.

6 Canadian Solar 450W Panels for Harsh Canadian Weather

The all-black monofacial panels are rated for snow loads up to 8,100 Pa and wind loads up to 6,000 Pa under the manufacturer's specified mounting conditions. Matching panel construction passed independent 50 mm hail testing. A panel operating-temperature range of −40°C to +85°C supports use through Canada's changing seasons.

These ratings apply to the panels—not the entire system. Install the inverter in a dry indoor location and keep batteries within their specified operating temperatures.

Choose Your Battery Storage

Both options use LiFePO4 batteries. Choose Growatt ALP if you prefer the same brand for your inverter and battery, or GSL for a value-focused alternative. Compare the storage capacity and price shown for each kit.

Usable battery energy is not usable AC energy; conversion losses and operating conditions affect runtime. Follow the selected battery manual for temperature limits and protection.

What's Included

• 1 × Growatt SPF 3500TL LVM-US 3.5kW inverter.
• 6 × Canadian Solar CS6.1-54TM-450H 450W panels.
• 1 × selected Growatt ALP or GSL LiFePO4 battery.
• ALP wall-mount bracket with the Growatt battery option.
• 1 × 40ft 10 AWG PV cable set.
• 1 × 10ft 2 AWG battery-to-inverter cable set.
• 1 × 300V / 20A PV DC breaker and enclosure.
• Battery overcurrent protection and disconnect.
• Compatible rapid-shutdown equipment where required and specified for the installation.
• Wi-Fi monitoring module and product documentation.

Solar-panel racking is optional unless added to your order. Confirm the final electrical accessory specification with ROCKSOLAR.

Installation Materials and Protection

The connection diagram is conceptual, not an installation plan or packing list. Confirm PV string layout, cold-weather voltage, mounting, wiring and electrical protection for your site. DIY preparation must follow local requirements; arrange any required electrical work, permits and inspections.

• Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
• Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
• If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.