Stackable All-in-One Energy Storage System 6KWh +10kWh ESS MPPT Solar controller
The RSUN Stacked RSN Series is a fully integrated residential energy storage solution featuring a modular, stackable LiFePO₄ battery system (capacity range: 5.12kWh to 15.36kWh). Designed to deliver 3kW or 5kW output, it supports a wide range of household loads with reliable, sustainable power.
This system stores surplus solar energy generated during the day, ensuring energy independence and reducing electricity costs. Built-in WiFi and Bluetooth enable real-time monitoring and control via mobile devices, while the floor-standing, compact design simplifies installation and operation. Ideal for home energy management with flexibility and long-term efficiency.
FEATURES:
PRODUCT OVERVIEW:

SPECIFICATIONS:
| Model | RSN 1.2kWh+4kWh | RSN 3.6kWh+6kWh | RSN 6kWh+10kWh | RSN 11kWh+16kWh |
| AC Input | ||||
| Rated Input Voltage | 208/220/230/240 VAC | |||
| Input Voltage Range | 170~280VAC(For PC);90~280VAC(For Home Appliances) | |||
| Frequency Range | 50/60Hz(Auto Sensing) | |||
| AC Charging Current Range | 2-60A | 2-100A | 2-80A | 2-120A |
| Max. Input Current | 10A | 20A | 26A | 50A |
| PV Input | ||||
| Solar Charging Type | MPPT | |||
| PV Max. Input Power | 1KW | 4KW | 5.5KW | 5.5KW*2 |
| MPPT Tracking Voltage Range | 120-430 VDC | |||
| Max. PV Input Voltage | 450 VDC | |||
| PV Charging Current Range | 100A | 0~80A | ||
| Max. Charging Current | 60A | 100A | 80A | 160A |
| Output | ||||
| Rated Output Voltage | 1.2kW | 3.6kW | 6.0kW | 11kW |
| Output Voltage Range | (220V~240V)±5% | |||
| Frequency | 50/60Hz±0.1% | |||
| Max. Output Current | 22.7A | |||
| Peak Power | 2400W | 7200W | 12000W | 11000W*2 |
| Overload Capacity Product Description (Battery Mode) | 1min@102%~110% Load ; 10s@110%~130%Load; 3s@130%~150% Load ;200ms@>150% Load | |||
| Peak Efficiency | >94% battery mode >99% line mode | |||
| Transfer Time | 10ms | |||
| Battery | ||||
| Battery Voltage | 12.8VDC | 25.6VDC | 51.2vdc | 51.2vdc |
| Battery Energy | 4.02kWh | 8.04kWh | 10.24kWh | 16.08kWh |
| Cell technology | LiFePO4 | |||
| DOD | 80% | |||
| Product General Data | ||||
| Designed Life-span cycle | 6000 | |||
| Communication Interface | RS232, RS485, CAN(Standard),SNMP/Wifi/Bluetooth(Optional) | |||
| Display | LCD&LED | |||
| Parallel Interface | RS485/CAN/RS232/SNMP/WIFI/Bluetooth | |||
| Operation Environment Temperature | 0~40℃ | |||
| Environment Humidity | -15~60℃ | |||
| Operation Altitude | <3000m | |||
| Cooling Mode | Active Cooling | |||
| Noise Emission | <50db | |||
FAQ:
Q1: Can I order samples?
A: Yes, sample orders including mixed models are supported for testing.
Q2: What’s your lead time?
A: 5 - 7 days for samples; approx. 25 working days for bulk orders.
Q3: What’s the MOQ?
A: Minimum order is 1 unit, ideal for pilot testing or demo use.
Q4: How are battery packs shipped?
A: Via express (DHL, FedEx) or sea freight; delivery time depends on destination.
Q5: How do I place an order?
A: Share your needs, Get a tailored quote, Approve sample, Pay deposit, Production starts.
Q6: Is OEM branding available?
A: Yes, custom logos, labels, and packaging are available.
Q7: Do you offer warranty?
A: We provide 5 to 10 years warranty, depending on product category and terms.