

This energy storage system combines a Solis 5kW three-phase hybrid inverter with two (2) Dyness Powerbox-US 10.24kWh batteries, providing a total storage capacity of 20.48kWh.
The system matches a high-voltage (HV) battery inverter with low-voltage batteries—please carefully review the "Important Compatibility Information" section below before purchasing.
Three-phase output: 5kW rated power for residential and small commercial applications
High voltage battery compatibility: Works with HV batteries (120-600V DC)
Multiple MPPT options: Available with 2 or 3 MPPT trackers depending on model
UPS-level backup: <10ms switching time for emergency power supply
IP66 protection: Suitable for outdoor installation in harsh weather conditions
Smart monitoring: SolisCloud app with remote control and upgrade capability
Generator compatible: Supports generator input for extended backup
Parallel operation: Up to 6 units can be connected in parallel
Chemistry: LiFePO₄ (Lithium Iron Phosphate) for safety and long life
Low voltage design: 51.2V nominal voltage (44.8-57.6V range)
BMS: Integrated smart Battery Management System with embedded breaker
Enclosure protection: NEMA 4X / IP65 for indoor or outdoor installation
Two series of 5kW three-phase hybrid inverters are available from Solis:
| Parameter | Specification |
|---|---|
| Model Example | S6-EH3P5K2-H |
| Rated AC Output Power | 5,000 W |
| Number of Phases | Three Phase (3P) |
| Max Efficiency | 96.5% |
| Max DC Input Voltage | 1,000 V |
| MPPT Voltage Range | 200 - 850 V |
| Number of MPPT Trackers | 2 |
| Max Input Current per MPPT | 16 A |
| Battery Type | High Voltage Lithium-ion |
| Battery Voltage Range | 120 - 600 V |
| EPS Switching Time | <10 ms |
| Protection Rating | IP66 |
| Dimensions (W×H×D) | 600 × 500 × 210 mm |
| Weight | 27.6 kg |
| Coolings | Passive (fanless) |
| Operating Temperature | -25°C ~ +60°C |
| Communications | RS485, CAN, Bluetooth (WiFi/4G/LAN optional) |
| Warranty | 10 years |
| Parameter | Specification |
|---|---|
| Model Example | S6-EH3P5K-H (Incl. 3PH meter) |
| Number of MPPT Trackers | 3 |
| Max PV Input Current per MPPT | 13-16 A |
| Battery Voltage Range | 160 - 600 V |
| Max Charge/Discharge Current | 25-50 A |
| Max Efficiency | up to 98.0% |
| EPS Switch Time | <10 ms |
| Parallel Support | Up to 10 units |
| Warranty | 10 years |
| Number of Powerbox-US Units | Total Energy | Usable Energy (@85% DoD) |
|---|---|---|
| 1 unit | 10.24 kWh | ~8.70 kWh |
| 2 units | 20.48 kWh | ~17.41 kWh |
| 3 units | 30.72 kWh | ~26.11 kWh |
| 4 units | 40.96 kWh | ~34.82 kWh |
| 5 units | 51.20 kWh | ~43.52 kWh |
When configuring the Solis three-phase hybrid inverter with Dyness Powerbox-US batteries, the following parameters must be set on the inverter:
| Parameter | Value |
|---|---|
| Max Charging (Bulk) Voltage | 57.6 V |
| Absorption Voltage | 56.5 V |
| Float Voltage | 56.0 V |
| Shutdown (Cut-off) Voltage | 48.0 V |
Additional Operating Recommendations:
Long-term continuous charging/discharging current should be ≤0.5C (≤100A for Powerbox-US)
Recommended maximum depth of discharge (DoD) should be ≤85-90%
If battery remaining capacity is empty, charge it within 48 hours
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
Please find the Shipping Policy detial on the bottom of page.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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