MInvon All-in-One Residential Energy Storage System 3.6kW/6kW/12kW with 8/15/20kWh Battery

Grid-Tie/Off-Grid Dual Mode | High-Efficiency MPPT Charging | Smart BMS for Safe & Stable Operation

Want a simple, all-in-one solution to power your home with solar, day and night? The CKMINE ESS All-in-One Energy Storage System combines everything you need into one compact unit. 🏡 Power Your Home, No Complicated Setup - No need to buy and install ...

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

1. All-in-One High Capacity: 12kW inverter + 20kWh LiFePO4 battery in one modular unit

2. Dual MPPT Solar Charging: 2x2700W controllers maximize solar harvest efficiency

3. 12kW Full Power Output: 24kVA surge capacity, powers large homes & commercial loads

4. Triple Operation Modes: On-grid / Off-grid / Backup with grid feed-in

5. Smart & Safe: Intelligent BMS + WiFi remote monitoring & control

6. Scalable & Durable: Expandable modular design with long-life LiFePO4 battery

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1. Residential Solar Energy Storage & Cost Saving

Peak Shaving & Self-Consumption

Store excess solar power in batteries during the day and utilize it in peak evening hours to cut down tiered electricity bills significantly.

Whole-Home Backup Power

It keeps essential appliances working steadily during grid failures, including refrigerators, lighting, home office equipment and medical devices.

Expandable System

Featured with stackable structure, it supports adding extra battery modules to meet growing power demands without replacing the whole system.

2. Off-Grid & Remote Area Power Supply

Standalone Off-Grid Power Solution

Paired with solar panels, it forms an independent power system for remote houses, cabins and areas with unstable grid supply.

Reliable Power for Sensitive Electronics

Pure sine wave output guarantees safe and stable operation for TVs, computers and other precision electrical devices.

3. Commercial & Small Office Applications

Backup Power for Small Businesses

Avoid operational shutdowns and revenue losses for stores, cafes and small offices when power outages occur.

Peak Load Cost Reduction

Make full use of stored solar energy to lower peak power draw, effectively reducing high commercial electricity expenses.

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?

Introduction

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Want a simple, all-in-one solution to power your home with solar, day and night? The CKMINE ESS All-in-One Energy Storage System combines everything you need into one compact unit.

🏡 Power Your Home, No Complicated Setup - No need to buy and install separate inverters and batteries. The ESS system is pre-integrated and ready to use, saving you time, space and installation costs. - Available in three sizes to fit your home: from small apartments to large villas, we have a configuration that matches your needs.

🌞 Slash Your Electricity Bills - Use solar energy during the day to power your home, store the excess in the built-in battery, and use it at night when rates are high. - The feed-in function lets you send extra power back to the grid, earning you credits on your utility bill.

⚡ Never Worry About Blackouts Again - When the grid goes down, the system automatically switches to backup power in just 10ms, keeping your fridge, lights, and essential devices running without interruption. - The intelligent BMS keeps your battery safe and healthy, so you can rely on it for years to come.

📱Control From Anywhere - Monitor your system's performance, battery status, and energy usage from your phone with the WiFi-enabled mobile app. Adjust settings and optimize your savings, no matter where you are. Whether you want to go green, save money, or have peace of mind with backup power, the CKMINE ESS system gives you everything you need in one simple package.