Product details & specifications
The AlpSolarr PULSE S4 ECO-hybrid inverter combines 6kW or 8kW backup output with dual MPPT tracking and up to 12kW photovoltaic input. It supports 48V lithium-ion or lead-acid batteries, dual AC outputs, generator integration and battery-free operation. Built-in Wi-Fi and Bluetooth enable mobile monitoring, while time-of-use functions support peak shaving and valley filling.
Key features
- Choose 6kW or 8kW rated backup output.
- Up to 12,000W MPPT input power across two MPPTs, with one string per MPPT.
- 48V battery platform with a 40–60V operating range.
- Dual AC outputs with intelligent load management and battery-free operation.
- Diesel generator interface with automatic start/stop control.
- Built-in Wi-Fi and Bluetooth for Android/iOS mobile monitoring.
- Time-of-use (TOU) functions for peak shaving and valley filling.
- RGB operating-status indicator, IP66 protection and Type II AC/DC surge protection.
- Supports up to 6 units in a single-phase parallel configuration or 9 units in a three-phase configuration.
Selected model specifications
| Rated backup output | 6,000W (6kW) |
|---|---|
| Rated output current | 27A |
| Maximum battery charge / discharge current | 125A / 125A |
| Maximum grid input current | 40A |
| Rated backup output | 8,000W (8kW) |
|---|---|
| Rated output current | 35A |
| Maximum battery charge / discharge current | 165A / 165A |
| Maximum grid input current | 50A |
Shared technical specifications
| Battery compatibility | Lithium-ion and lead-acid |
|---|---|
| Rated battery voltage / voltage range | 48V DC / 40–60V DC |
| Maximum MPPT input power | 12,000W |
| Maximum PV input voltage | 500V DC |
| Rated PV input voltage | 370V DC |
| MPPT voltage range | 60–450V DC |
| MPPTs / strings | 2 MPPTs / 1 + 1 strings |
| Maximum MPPT input current | 18A + 18A |
| Maximum MPPT short-circuit current | 27A + 27A |
| Nominal grid voltage | 220 / 230 / 240V AC ±5% |
| Grid input voltage range | 90–280V AC |
| Grid frequency | 50 / 60Hz |
| Rated output frequency | 50 / 60Hz ±0.1% |
| Transfer time | 10ms for computer equipment; 20ms for household equipment |
| Output THDv | Less than 3% |
| Maximum efficiency / MPPT efficiency | 97.0% / 99.9% |
| Surge protection | Type II DC and Type II AC |
| Operating temperature | -40°C to 60°C; derating above 45°C |
| Dimensions (W × H × D) | 430 × 350 × 177.8mm |
| Weight | 16kg |
| Topology / cooling | Non-isolated / smart cooling |
| Maximum altitude | 3,000m |
| Protection rating | IP66 |
| Communication | RS485, CAN, dry contact, external battery NTC, parallel communication and built-in Wi-Fi |
| Mobile monitoring | Built-in Wi-Fi and Bluetooth; Android/iOS support |
| Manufacturer warranty stated in datasheet | 5 years |
Warranty & installation guidance
The datasheet lists a 5-year warranty and optional 10-year service. Optional service is not a standard 10-year warranty. Confirm local warranty and service terms with Japston Energy.
The datasheet describes grid-connection and TOU functions. Confirm the exact model's local approvals, inverter/battery compatibility and installation requirements with Japston Energy before ordering. Net-metering eligibility is not implied by this listing.
Specifications and product imagery are taken from the supplied AlpSolarr manufacturer datasheet. Product specifications may change; consult the original PDF and confirm the supplied model before ordering.

