Deye Micro Hybrid ESS 2.56kWh | SUN-BK250

From $1,183.31

  • Deye Micro Hybrid ESS 2.56kWh lineup
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PV Input Version
$1,183.31
$1,183.31
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All-in-one solar energy storage with built-in inverter and LFP battery. 2.56kWh capacity, 4 MPPTs, plug-and-play setup, and 10-year warranty. Perfect for apartments, balconies, and small homes.

Key specifications

Battery

2.56kWh · LFP (LiFePO₄) · expandable

Inverter

800–2500W · 2× peak power

Solar input

4 MPPTs · up to 8 PV modules

Protection

IP65 · UPS backup · 10-year warranty

Model

SUN-BK(80-250)-2.56KWH-EU-AM4

PV version

18L or 32L

Editions

Smart Display and Non-Display

App

Deye app · Time-of-Use · UPS backup

All-in-one battery and inverter

Integrated inverter and 2.56kWh LFP battery in one compact unit. No separate cabinet or transfer switch. A compact footprint for apartments, balconies, and small homes.

Stack up to 5 battery modules for 12.8kWh. For larger sites, connect up to 8 clusters (40 modules, 102.4kWh). Lithium iron phosphate cells, cobalt-free.

4 MPPTs, plug-and-play solar

Plug into a standard household socket. Connect up to 8 solar panels on 4 independent MPPT MC4 ports. Each tracker harvests even with mixed orientations or shade.

Get started in five steps: plug in, connect PV, monitor in the Deye app, expand modules as needed, then set up to 6 Time-of-Use charge and discharge windows.

UPS backup, IP65, 10-year warranty

On-grid operation with UPS backup and ultra-low latency switching for sensitive loads. IP65 enclosure for indoor and outdoor use. Carry handle for balcony, patio, garage, RV or cabin.

AC-coupling ready for an existing PV plant. 10-year product warranty.

Deye Micro Hybrid ESS 2.56kWh | SUN-BK250

$1,183.31

  • Usable storage

    2.56kWh

    LFP module, expandable

  • Solar trackers

    4

    MPPTs · up to 8 modules

  • Enclosure

    IP65

    indoor and outdoor

  • Warranty

    10

    years product cover

Micro Hybrid Energy Storage System

A new way to store, use, and enjoy solar energy.

The Deye Micro Hybrid ESS is an all-in-one solar energy storage system that combines an inverter and battery in a single compact unit.

Why this ESS

  • All-in-one design

    Integrated inverter and battery. No separate components. Compact footprint for home, apartment, or balcony.

  • Store solar, use anytime

    Capture PV during the day and use it day or night. Raise self-consumption and cut grid draw.

  • On-grid and UPS backup

    Works on-grid and as UPS backup. Ultra-low latency switching for electronics and critical loads.

  • Built for small spaces

    Full ESS performance in a compact body. Apartments, small homes, or portable use where space is tight.
Specifications

Technical data

Model SUN-BK(80-250)-2.56KWH-EU-AM4
This listing SUN-BK250-2.56KWH-EU-AM4-18L / 32L
Battery capacity 2.56kWh per module
Battery type LFP (LiFePO4)
Max. stacking Up to 5 units (12.8kWh total)
Max. clusters Up to 8 clusters (40 modules, 102.4kWh)
PV input ports 4 × MC4
MPP trackers 4 independent trackers
MPPT voltage range 20–55V
Rated PV input voltage 42.5V
Start-up voltage 25Vdc
Max. PV access / AC 800–2500W series · BK250 AC 2500W
PV access 18L / 32L 4400W · 5760W
IP rating IP65
Available editions Smart Display and Non-Display
Smart features Deye app, AI energy management, Time-of-Use, UPS backup

How do I get started?

Plug into any standard household socket. No complex installation — the Micro Hybrid ESS is designed for plug-and-play.

How do I connect solar panels?

Connect up to 8 solar panels on the 4 independent MPPT MC4 ports. Each tracker maximises harvest with different panel orientations.

Can I expand capacity later?

Stack up to 5 battery modules for 12.8kWh. For larger demand, connect up to 8 clusters (40 modules, 102.4kWh).

Does it work during a grid outage?

Yes. It works on-grid and as UPS backup, with ultra-low latency switching for sensitive electronics and critical appliances.

What is in the Time-of-Use strategy?

Set up to 6 charge and discharge windows. Charge in low-rate hours and raise self-consumption.

What warranty is included?

10-year product warranty. Confirm terms for the installation country.

Ready to start saving on your energy bills?

All-in-one 2.56kWh LFP storage, 4 MPPTs, plug-and-play, IP65, 10-year warranty.

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2.56kWh LFP
4 MPPTs
IP65
10-year cover