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ALL-IN-ONE INVERTER & BATTERY SYSTEM ESS 3.6KW+8KWH/ESS 6KW+15KWH/ESS 12KW+20KW Intelligent BMS WiFi Monitoring Max PV Open Circuit Voltage 500V suitable for household, commercial usage

ALL-IN-ONE INVERTER  & BATTERY SYSTEM is a high-performance inverter and battery system designed for households seeking energy independence and reduced electricity costs. With a rated output power of 3.6KW/6kW/12KW , it provides reliable power for all household appliances during daily use and grid outages.

MINVON ESS Series – Plug-and-play all-in-one energy storage (inverter + battery) for homes and light commercial use. Available in 3.6kW+8kWh, 6kW+15kWh, 12kW+20kWh. Compact (440×247×600mm), no fixed installation, ideal for rentals a...

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

1*MPPT:27A/9kW
2*MPPT: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)

440*246*760mm

Battery:540x480x164mm*3
Inverter:540x480x180mm*1

Battery:680x520x175mm*4
Inverter:680x520x182mm

Package Size(mm)

520*436*890mm

Battery:616x556x220mm*3
Inverter:616x556X236mm*1

Battery:760X600X255mm*4
Inverter:736X576X336mm

NW (±3kg)

73kg

Battery:45kg*3pcs
Inverter:27kg*1

Battery:47kg*4pcs
Inverter:27kg*1

GW (±3kg)

86kg

Battery:48kg*3pcs
Inverter:30kg*1

Battery:50kg*4pcs
Inverter:30kg*1

1. High-efficiency MPPT optimizes solar capture, boosts system performance
2. Feed-in to Grid, on-grid/off-grid dual-mode
3. Intelligent BMS
4. WiFi Monitoring
5. Built-in Solar Charger
6. Pure Sine Wave
ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-0
ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-1

Ideal for:

Building long-term independent photovoltaic systems

Emergency power backup during grid outages

Reducing reliance on grid electricity and lowering energy costs

Core Value Proposition

The ALL-IN-ONE INVERTER & BATTERY SYSTEM offers a balance of performance, flexibility, and affordability, making it an optional choice for transitioning off-grid or on-grid for household.

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-2

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.

Introduction

MINVON ESS Series – Plug-and-play all-in-one energy storage (inverter + battery) for homes and light commercial use. Available in 3.6kW+8kWh, 6kW+15kWh, 12kW+20kWh. Compact (440×247×600mm), no fixed installation, ideal for rentals and backup power. WiFi monitoring, BMS protection, pure sine wave, -10°C to 50°C operation.

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-3

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-4

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-5

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-6

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-7

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-8

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-9

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-10

ess 12kw20kw intelligent bms wifi monitoring max pv open circuit voltage 500v suitable for household commercial usage-11

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