Anker SOLIX Solarbank 2 vs. Solarbank 3 – Which is right for you?
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At AboutWatt, we help customers use solar energy more intelligently every day. One of the most interesting developments is the Anker SOLIX Solarbank series – smart, modular home batteries that easily connect to existing solar panels. In this article, we compare the Anker SOLIX Solarbank 2 and the Anker SOLIX Solarbank 3 , so you can immediately see which model is best suited for your home or system.
Why choose Anker SOLIX?
Instead of feeding excess solar power directly back into the grid, you can temporarily store that energy in a LiFePO₄ home battery . This way, you can also use your own solar power in the evenings or on cloudy days, reducing your energy costs.
- Plug-and-play installation: suitable for balconies, roofs, and small home installations. Modularly expandable for more storage.
- Safe, durable cells: LiFePO₄ batteries with long life and high stability.
- Smart energy management: Real-time insight and control via the Anker SOLIX app; Solarbank 3 adds AI optimization for automatic charging/discharging.
- Multiple MPPTs: connect multiple panels optimally and achieve maximum efficiency.
- Emergency power option: keep essential devices running in the event of a failure (depending on configuration).
The Anker SOLIX Solarbank series currently includes the Solarbank 2 E1600 and the Solarbank 3 E2700 Pro . Both are modularly expandable and suitable as plug-and-play home batteries.
Differences: Anker SOLIX Solarbank 2 vs. Solarbank 3
Both models are user-friendly and reliable. The Solarbank 3 is the latest generation and offers noticeable improvements in capacity, expandability, and smart features.
| Feature | Anker SOLIX Solarbank 2 | Anchor SOLIX Solarbank 3 |
|---|---|---|
| Capacity (start) | 1,600 Wh (1.6 kWh) | 2,688 Wh (2.7 kWh) |
| Extensibility | Up to 9.6 kWh | Up to 16 kWh |
| Entrance solar panels | Max. 2,400 W | Max. 3,600 W |
| Backup power | Up to 1,000 W | Up to 1,200 W |
| AC charging / bidirectional | Limited | Full AC charging and return |
| Smart features | App control | App + AI optimization |
| Dimensions / weight | 460 × 249 × 254 mm, 21.8 kg | 460 × 254 × 279 mm, 29.2 kg |
Which Anker SOLIX Solarbank is right for you?
- Small to medium-sized systems (1–6 panels) with limited evening consumption: the Anker SOLIX Solarbank 2 is a competitive entry-level system with expandable capacity. Ideal for balcony solar panels or compact roof installations.
- Larger roofs/family households , dynamic electricity prices or the need for more autonomy: Anker SOLIX Solarbank 3 offers higher input, AI optimization and greater expandability up to 16 kWh.
- Growth scenario : start with the basic model and add a BP2700 Expansion Battery when your consumption increases or you install more panels.
Compatibility and installation
Anker SOLIX Solar Bank systems work with most common solar panels and microinverters. The included P1 meter (grid meter connection) allows you to automatically control charging/discharging: charging when there's a surplus, discharging when there's demand . The IP65 enclosure allows for both indoor and outdoor installation.
Not sure which configuration is best for your situation? Have your installation assessed for free by our specialists.
View all Anker SOLIX plug-and-play home batteries or request personalized advice . For more information about home batteries in general, see our complete home battery guide .
Summary in short
- Anker SOLIX Solarbank 2: budget-friendly, modular up to 9.6 kWh, ideal as an entry-level system or for smaller installations.
- Anker SOLIX Solarbank 3: higher starting capacity, more solar input (up to 3.6 kW), AI-controlled and scalable up to 16 kWh.
Frequently Asked Questions
Does the Anker SOLIX Solarbank work with my existing solar panels?
In most cases, yes. Compatibility with your inverter(s) and the available AC/DC power are key. We'll help you check this free of charge.
Can I easily expand later?
Yes. With BP2700 expansion modules, you can increase the storage capacity in increments of 2.7 kWh to a maximum of 9.6 kWh (Anker SOLIX Solarbank 2) or 16 kWh (Anker SOLIX Solarbank 3).
Is outdoor installation possible?
Yes, thanks to their IP65 enclosure, Anker SOLIX Solarbank units are suitable for both indoor and outdoor use. However, ensure adequate ventilation and protection from direct sunlight.
Does AI optimization really save money?
With variable or dynamic energy rates, AI-driven charging/discharging can adjust energy usage based on price differences, increasing your savings.
Which battery is right for you?
Use our handy calculator
