SAJ Hybrid Solar Battery Kit – 5kW Inverter (H2-5K-S2) + 15kWh Battery (B2-15.0-HV1)

Hybrid Solar & Battery System – CEC Approved

Upgrade your home with the SAJ H2-5K-S2 hybrid solar inverter paired with the B2-15.0-HV1 high-voltage battery system. This CEC-approved combo offers clean energy independence, smart backup power, and flexible battery storage from 5kWh to 25kWh.

Why Choose This System?

✅ True Hybrid Performance:
Generate and store your solar power with dual MPPT inputs, 200% PV oversizing, and automatic UPS switching within <10 milliseconds.

🔋 Scalable Battery Storage:
Choose from 5 to 25kWh capacity. The SAJ B2 high-voltage battery system is modular and wall or ground-mountable, perfect for any home energy needs.

📱 Remote App Monitoring:
Stay in control with eSAJ smart monitoring. Track generation, consumption, and battery status—all from your phone.

🏠 Grid-Compliant:
Fully compliant with AS/NZS 4777.2:2020 and AS/NZS 5139:2019 and listed by the Clean Energy Council (CEC).

Specifications

Inverter – SAJ H2-5K-S2

• Max PV Input Power: 7500W

• Dual MPPT Inputs: 16A / 16A

• AC Output: 4999W

• Backup Output: 4999VA (<10ms switch time)

• Efficiency: 97.6% max

• Dimensions: 499 × 385.5 × 193.5 mm

• Protection: IP65 | Natural Convection Cooling

• Warranty: 10 years (extendable to 15 or 20)

Battery – SAJ B2-15.0-HV1

• Usable Capacity: 95% (e.g., 14.25 kWh for 15kWh model)

• Voltage Range: 102.4V–512V

• Charge/Discharge Current: 30A

• Mounting: Wall or Ground

• Dimensions (3 modules): 783 × 626 × 365 mm

• Warranty: 10 years or 3.06 MWh/kWh (whichever comes first)

FAQs Section

Q: How can I monitor my system remotely?

With the eSAJ Home app, you can monitor solar production, battery charge levels, and power consumption in real time. The system supports Wi-Fi, Ethernet, and optional 4G connectivity, making remote access and control easy from your phone or tablet.

Q: Can this inverter run off-grid or during blackouts?

Yes. The SAJ H2-5K-S2 inverter has a dedicated backup output with <10ms UPS switch time, which ensures your essential loads (e.g., fridge, lights, Wi-Fi) stay powered during grid outages. You can also create a backup load sub-board for priority circuits.

Q: Can I expand the battery later?

Absolutely. The SAJ B2 battery system is modular—each tower supports up to 5 stackable modules, scaling from 5kWh to 25kWh. You can start with a smaller system and add more capacity over time without replacing your inverter.

Datasheets

• Datasheet
• User Manual
• Quick Start Guide
• Warranty
• DC Oversizing

Build Your Own

Check out our build your own options here!