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ESS Energy Storage System Stackable All In One ESS 1200W 4.02kWh Energy Storage System Lithium Battery

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ESS Energy Storage System Stackable All In One ESS 1200W 4.02kWh Energy Storage System Lithium Battery

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Brand Name : RSUN or OEM

Model Number : RSN Series

Place of Origin : China

MOQ : 5PCS

Price : Negotiation

Payment Terms : L/C,T/T

Supply Ability : 10,000PCS Per month

Delivery Time : 30 days

Packaging Details : Wooden box

Type : All in one Energy Storage System

Capacity : 1.2kWh + 4.02kWh

Rated Input Voltage : 208/220/230/240 VAC

Output Voltage Range : (220V~240V)±5%

Max. Output Current : 22.7A

Battery type : LiFePO4 battery

Peak Efficiency : >94% battery mode >99% line mode

Transfer Time : 10ms

Solar Charging Type : MPPT

Communication interface : RS232, RS485, CAN, Bluetooth

Designed Life-span cycle : 6000

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ESS Energy Storage System Stackable All In One ESS 1200W 4.02kWh Energy Storage System Lithium Battery


The RSUN Stacked RSN Series is a streamlined residential energy-storage solution built around a flexible, modular battery stack. Its plug-and-play architecture allows each unit to be added or removed with ease, giving homeowners a simple path to expand capacity as their energy needs grow. By storing excess solar power generated throughout the day, it delivers reliable home backup and meaningful reductions in grid consumption.

With built-in WiFi and Bluetooth connectivity, the system offers real-time oversight and control through a mobile app, whether the user is at home or away. Its upright, floor-mounted design keeps the footprint minimal, making it a smart fit for compact indoor spaces while combining dependable performance with modern, intuitive energy management.


FEATURES:
• Modern floor-standing unit integrating a hybrid inverter.
• High-durability Li-ion battery (8000-cycle life) plus MPPT solar charging built in.
• Adjustable energy priority, choose solar, battery, or grid as the main source.
• Broad AC input tolerance for regions with unstable power.
• Comprehensive safeguards: discharge, load, temperature, and short-circuit protection.
• Stackable, modular layout for simple upkeep and capacity upgrades.


PRODUCT OVERVIEW:

ESS Energy Storage System Stackable All In One ESS 1200W 4.02kWh Energy Storage System Lithium Battery


SPECIFICATIONS:

Model RSN 1.2kWh+4.02kWh 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 20-100 VDC 120-430 VDC
Max. PV Input Voltage 125VDC 450 VDC
PV Charging Current Range 2~60A 0~80A
Max. Charging Current 120A 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


RSUN Support & Custom Solutions:

  1. Sample Access
    We provide product samples to facilitate testing, technical evaluation, and pre-launch verification, helping clients confirm performance and compatibility before committing to larger orders.

  2. Reliable Warranty
    All RSUN products, including UPS units, solar inverters (12V/24V/48V), and charge controllers, come with a clearly defined warranty covering materials and manufacturing defects, reflecting our commitment to consistent quality.

  3. Tailored OEM/ODM Services
    Backed by ISO9001 & ISO14001-certified production, RSUN offers end-to-end OEM/ODM solutions, from R&D and circuit design to prototyping, full-scale manufacturing, and quality assurance. With over a decade of global collaboration, we deliver innovation, reliability, and on-time production.


Product Tags:

stackable all in one ESS

      

1200W lithium battery ESS

      

4.02kWh energy storage system

      
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