Deye Micro Hybrid ESS 2.56kWh | SUN-BK(80-250)-2.56KWH-EU-AM4

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€905,95
€905,95
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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

2.56 kWh · LiFePO₄ · 44.8–57.6 V · ≤50 A charge/discharge

Rated AC (by model)

BK80 800 W · BK160 1600 W · BK200 2000 W · BK250 2500 W

Solar input

4 MPPTs · 20–55 V · Max PV access 4400 W (18L) / 5760 W (32L)

Protection & size

IP65 · 526×326×210 mm · ≈32 kg · 10-year warranty

Store models

SUN-BK80-18L · SUN-BK160-18L · SUN-BK200-18L · SUN-BK250-18L · SUN-BK250-32L

Expansion

Up to 5 modules (12.8 kWh) · up to 8 clusters / 40 modules (102.4 kWh)

Efficiency

Max 96.5% · Euro 96.0% · MPPT >99%

App & modes

Deye Cloud · Wi-Fi / Bluetooth / LoRa · hybrid / off-grid / AC-coupled

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

€905,95

  • 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.

Where it works

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.

How to use

Load video:
Specifications

Technical data

By store model

Parameter SUN-BK80-18L SUN-BK160-18L SUN-BK200-18L SUN-BK250-18L SUN-BK250-32L
Rated AC input/output active power 800 W 1600 W 2000 W 2500 W 2500 W
Max. AC input/output active power 880 W 1760 W 2200 W 2750 W 2750 W
Rated AC input/output current 3.7 / 3.5 A 7.3 / 7.0 A 9.1 / 8.7 A 11.4 / 10.9 A 11.4 / 10.9 A
Max. AC input/output current 4.0 / 3.9 A 8.0 / 7.7 A 10.0 / 9.6 A 12.5 / 12 A 12.5 / 12 A
Max. PV access power 4400 W 4400 W 4400 W 4400 W 5760 W
Max. operating PV input current 18+18+18+18 A 18+18+18+18 A 18+18+18+18 A 18+18+18+18 A 32+32+32+32 A
Max. input short-circuit current 27+27+27+27 A 27+27+27+27 A 27+27+27+27 A 27+27+27+27 A 48+48+48+48 A

Shared across the BK series

Series designation SUN-BK80/100/160/200/250-2.56KWH-EU-AM4-18/32L
Battery type / nominal energy LiFePO₄ · 2560 Wh
Battery voltage range 44.8–57.6 V
Max. charging / discharging current 50 A · self-adaption to BMS
Battery cycle life (module) ≥ 6,000 cycles (@25°C±2°C, 70% EOL) — AE-F2.56 pack
Max. stack / clusters 5 modules (12.8 kWh) · up to 8 clusters / 40 modules (102.4 kWh)
No. of MPP trackers / strings 4 / 1+1+1+1
MPPT voltage range 20–55 V
Rated PV input voltage / start-up 42.5 V / 25 Vdc
AC voltage & frequency 220 / 230 Vac · L+N+PE · 50 Hz (45–55) / 60 Hz (55–65)
Peak power (off-grid) 2 × rated power, 10 s
Max. continuous AC passthrough (grid→load) 30 A
Max. inverter parallel 3 pcs (up to 7.5 kW rated output)
Max. / Euro / MPPT efficiency 96.5% / 96.0% / >99%
Operating temperature −10°C ~ 55°C (>45°C derating); −20°C ~ 55°C with heating (optional)
Permissible altitude / humidity 2000 m · 0–95% RH (non-condensing)
Cabinet size (W×H×D) / weight 526 × 326 × 210 mm · ≈32 kg
Ingress protection IP65 (datasheet cover / battery module; general-table glyph unclear in PDF extract)
Communication Wi-Fi · Bluetooth · LoRa
Warranty 10 years

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