When choosing between these two products, you can make a comprehensive decision based on your household's electricity consumption habits, solar panel installation conditions, and future expansion needs:

Solarbank 3 E2700 Pro: Suitable for households with lower daily electricity consumption or limited installation space for solar panels, fully meeting basic green energy storage needs.

Solarbank 4 E5000 Pro: Suitable for users with multiple high-power appliances (such as heat pumps, dryers, EV chargers, and other devices frequently exceeding 1200W), larger solar panel setups (aiming to harvest more green energy), and needs for future capacity expansion.

To help you understand their specific performance differences more intuitively, here is a comparison of the core specifications of the two products:

Maximum AC Output Power (On-Grid):

Solarbank 4 E5000 Pro: 2,500W.

Solarbank 3 E2700 Pro: 1,200W.

PV Input & Maximum Number of PV Modules:

Solarbank 4 E5000 Pro: Up to 5,000W PV input / 4 MPPTs, up to 12 panels.

Solarbank 3 E2700 Pro: Up to 3,600W PV input / 4 MPPTs, up to 8 panels.

Battery Capacity & Expansion Limits:

Solarbank 4 E5000 Pro: Main unit (5,024Wh) + 5 × BP5000 / up to 30kWh total capacity.

Solarbank 3 E2700 Pro: Main unit (2,688Wh) + 5 × BP2700 / up to 16.2kWh total capacity.

Battery Cycle Life:

Solarbank 4 E5000 Pro: 10,000 cycles.

Solarbank 3 E2700 Pro: 6,000 cycles.

If you have any questions, feel free to contact us for further assistance.