Name: SolarFlow 4000 Mix AC+
Brand: Zendure
SKU: ZDA2502-gy-eu
Price: 2399.0 GBP
Availability: InStock

£2,399.00

Tax included.

25 dB measured at a distance of 1 m under quiet laboratory conditions at 25 °C and 2,000 W half-load operation. At full load, the noise level is approx. 40 dB.

Built for daily cycling. Built for the long run

With 10,000 cycles, SolarFlow Mix Series is made for frequent use and long-term value. Based on two full cycles per day, it can deliver up to around 15 years of service life, with EOL SOH remaining at 70%—well beyond typical short-life systems.

Store more. Keep more

A 90% round-trip efficiency means less energy lost between charging and discharging. For homes cycling daily, that translates into more usable power and stronger savings over time.

* 95% panel-side charging efficiency × 95% panel-side discharging efficiency ≈ 90.25%. Tested in Zendure labs. Final interpretation rights belong to the laboratory. Actual RTE may vary due to cable connections, temperature, humidity, and other environmental factors.

Keep your inverter. Add storage with less hassle

SolarFlow 4000 Mix AC+ works with rooftop PV inverter systems already on the market, making it ideal for homes that already have solar and want to add storage later. Keep the existing inverter and much of the original cabling for a faster, cleaner, and more cost-efficient upgrade.

Meets the needs of the vast majority of household appliances

SolarFlow 4000 Mix AC+ raises single-circuit output from the common 3680 W to 4000 W, and can reach up to 5000 W AC output in PV passthrough mode, making it better suited for high household loads during peak hours.

3680W Off-Grid Output | 7.2kW Peak | 10ms UPS
Stay powered through the outage—day or night
At night, it keeps essential loads running through stable off-grid output, while 7.2kW peak power helps handle startup-heavy appliances. During daytime outages, connected solar can keep charging the system, turning backup power into a more complete off-grid capability.

Solar keeps working even when the grid goes down
An outage does not have to stop the energy loop
In matching setups, connected solar can keep charging the battery and supporting off-grid loads even after the public grid goes down, helping maintain a closed-loop energy flow during daytime outages.

Strong on day one. Ready to scale later

Each unit starts with 8kWh of capacity—already close to the essential daily use of many homes. When you need longer backup, heavier loads, or a bigger energy system, it scales with you.

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* Expansion batteries for SolarFlow 4000 Mix Pro & SolarFlow 4000 Mix AC+ will be announced in the near future.

Plug-In | Hardwired | LAN / RS485 | Solar Integration

Easy to start. Easier to upgrade

Starting with plug-and-play and expanding to hardwiring, wired communication, and PV integration—SolarFlow 4000 Mix AC+ allows you to upgrade step-by-step according to your needs. Start today with a low entry barrier, and smoothly expand into a more complete energy system in the future.

1. Connect AC to the Grid
Plug in or hardwire to connect.

2. Connect Communication
Connect LAN / RS485 for stable communication.

IP65 Dust and Water Protection
Ready for weather. Ready for real-world use
IP65 protection helps resist dust and water exposure, making the system better suited for outdoor, semi-outdoor, and job-site environments.

-20°C to 55°C Wide-Temperature Operation
Built for the cold. Ready for the heat
From freezing winters to hot environments, the system stays deployable across a wider temperature range, so backup and off-grid power remain ready in more real-world conditions.

25dB Quiet Operation
Quiet enough to feel at home
Low operating noise makes it a better fit for homes, garages, cabins, and overnight backup situations where silence matters.

Metal Housing
Stronger outside. Tougher in use
A robust metal enclosure helps the system handle transport, impact, and tougher working environments with greater confidence.

ZenGuard Battery Safety Protection System

Dual BMS Architecture

Dual-layer monitoring for earlier awareness

A more complete monitoring framework helps track battery status more closely and respond earlier to potential issues.

Intelligent Battery Self-Maintenance

Less effort. Better battery health

Smart maintenance strategies help protect battery health over time and support more reliable long-term performance.

Condensed Aerosol Fire Suppression System

Active protection for extreme situations

In the event of a serious abnormal condition, it adds an extra layer of active protection.

HEMS 2.0

Smarter solar. Smarter storage. Smarter savings

HEMS 2.0 automatically coordinates when to charge, when to discharge, and when to reduce grid reliance based on solar generation, home loads, electricity prices, and battery status. Less manual work, with more intelligent energy use.

SolarFlow 4000 Mix AC+