Stackable All In One Solar ESS Unit Built-in MPPT Hybrid Pure Sine Wave Inverter & LiFePO4 Battery With WiFi Remote Monitoring For Residential Solar Storage

Integrated Stackable All-in-One Solar Storage System with Built-in MPPT Hybrid Pure Sine Wave Inverter & LiFePO4 Battery, On/Off-Grid Dual Mode, Intelligent BMS & WiFi APP Monitoring for Household Solar Power Backup

ESS All-in-One Stacked Inverter & Battery Energy Storage SystemMINVON ESS all-in-one stacked energy storage system integrates hybrid solar inverter and LiFePO4 lithium battery into one compact movable unit, available in three complete specificati...

Model	ESS 3.6kW+8kWH	ESS 6kW+15kWH	ESS 12kW+20kWH
AC Input
Rated Input Voltage	208/220/230/240VAC;L+N+PE		220/230/240VAC;L+N+PE
Voltage Range	90~280VAC+3(normal mode); 170~280VAC+3(UPS mode);
Frequency Range	50/60Hz (Auto Adaptive)
AC Output
Rated Capacity	3.6kW	6kW	12kW
Surge Power	5.7kVA	12kVA	20kVA
Switch Time	10ms
Wave Form	Pure Sine Wave
Overload Capacity (Battery Mode)	60s@102%~110%;10s@110%~130%; 3s@130%~150%;0.2s@＞150%;		(105%<load <110%) +5%: report error and turn off the output after 5min (110%<load<125%)+5%: report error and turn off the output after 10s (Load >125%)+5%: report error and turn off the output after 5s
Max. Efficiency(Battery Mode)	92.7%@24VDC	93%@48VDC	94%@48VDC
Charger
Solar Charger Type	MPPT		Dual MPPT
Max PV input current / power	18A/5kW	27A/9kW	1MPPT:27A/9kW 2MPPT:22.5A/15kW
Operating Voltage Range	40~450VDC	80~450VDC	90~485VDC
Max PV Open Circuit Voltage	500VDC	500VDC	500VDC
Max PV Charge Current	100A	120A	160A
Max AC Charge Current	100A	120A	160A
Max. Charge Current (PV + AC)	100A	120A	160A
Battery
Nominal Battery Voltage	25.6VDC	51.2VDC
Rated Energy	8KWh(0.2C,25℃)	15KWh(0.2C,25℃)	20KWh(0.2C,25℃)
Usable Energy(90%DOD)	7.2KWh	13.5KWh	18KWh
Max.Charge/Discharge Current	75A/150A	150A/300A	200A/400A
Operation Voltage Range	20VDC~29.2VDC	40VDC~58.4VDC	40.5VDC~54.5VDC
General Data
Ingress Protection	IP20
Operating Temperature	-10℃~50℃
Relative Humidity	5%~95%(Non-condensing)
Storage Temperature	-15℃~60℃
Max. Operating Altitude	4000m(Derating above 1000m)
Physical
Products Size(mm)	440246760mm	Battery:540x480x164mm3 Inverter:540x480x180mm1	Battery:680x520x175mm*4 Inverter:680x520x182mm
Package Size(mm)	520436890mm	Battery:616x556x220mm3 Inverter:616x556X236mm1	Battery:760X600X255mm*4 Inverter:736X576X336mm
NW (±3kg)	73kg	Battery:45kg3pcs Inverter:27kg1	Battery:47kg4pcs Inverter:27kg1
GW (±3kg)	86kg	Battery:48kg3pcs Inverter:30kg1	Battery:50kg4pcs Inverter:30kg1

12kw integrated hybrid inverter lithium battery dual mppt on grid off grid solar ess with wifi monitoring for home solar backup power-0

All-In-One Integrated Design：Hybrid inverter + LiFePO4 battery integrated into one movable stacked unit
Dual MPPT High Efficiency：Maximize solar absorption to lift system power output
On-Grid & Off-Grid Dual Mode：Support grid power feed-in and independent off-grid operation
Stable Pure Sine Wave Output：No harmonic interference, compatible with all home appliances
Intelligent Built-in BMS：Auto cell balancing & full safety protection for unattended operation
WiFi Remote APP Monitoring：Check voltage, power and remaining battery anytime on mobile phone
Flexible Stack Expansion：Modular stacking design for adjustable energy capacity
Universal Wheel Base：Easy transportation and indoor installation
Complete Global Certifications：CE, ISO, EMC, RoHS for global import clearance

20kwh battery-0

1. Villa & Household Solar Storage

Grid-connected home solar power generation & surplus energy storage
Power outage emergency backup supply for residential daily appliances

2. Off-Grid Remote Residence

Mountain, island, rural families without stable municipal grid
Farm lighting, water pump independent solar power supply

3. Commercial Backup Power

Small retail shops, offices load shedding backup energy
Holiday cabins, construction site temporary power storage

4. Special Mobile Scenarios

Large RV, yacht, long-distance mobile off-grid energy supply

Q1: Can I get some samples for test?

A: Yes, sample order is available for quality check and market test .

Q2: Do you accept OEM/ODM ?

A:Yes, we accept OEM/ODM with your authorization.

Q3: What is your typical delivery timeline?

A: For standard off-the-shelf products, we offer a delivery window of 5-10 business days from order confirmation. For bulk orders or customized OEM/ODM projects, delivery schedules are determined based on production capacity and customization requirements. Our sales team will provide a detailed timeline after evaluating your specific needs.

Q4: What is the standard of package?

A: We have our own design carton with five layers corrugated material; if you have any other special requirement of package, we also support customized service.

Q5: What’s your payment terms?

A: We accept T/T, L/C, WEST UNION, ALI TRADE ASSURANCE, cash.

Q6: What’s your warranty time?

A: We offer 12 months warranty service, life time technique support.

Q7: How does your factory implement quality control?

A: Quality is the cornerstone of our brand. We operate a dedicated quality assurance department that oversees every stage of production, from component sourcing to final delivery. Each product undergoes a minimum of seven rigorous quality inspection protocols before shipment, ensuring compliance with international standards and customer specifications.

Q8: How can I trust your company?

A: With over 20 years of specialized experience in inverter manufacturing, Minvon has established a robust quality management system certified to ISO 9001, ISO 14001, and ISO 45001 standards. Our products also hold CE, CCC, and RoHS certifications, ensuring compliance with international regulatory requirements. We can provide third-party assessment reports and factory audit documentation upon request to demonstrate our commitment to transparency and reliability.

Q8: How can I trust your company?