BYD Battery-Box Premium HVS 10.2 vs Energy Depot DOMUS 2.5

Technical comparison · High voltage

In brief

BYD Battery-Box Premium HVS 10.2 and Energy Depot DOMUS 2.5 are not direct competitors: different use classes. Energy Depot DOMUS 2.5 is the entry-level choice; BYD Battery-Box Premium HVS 10.2 offers more capability in a higher class. Judge them by budget, not head-to-head.

Parameter
BYD Battery-Box Premium HVS 10.2 Battery-Box Premium HVS 10.2 BYD F4 · House-sized (8–20 kWh)
Energy Depot DOMUS 2.5 DOMUS 2.5 Energy Depot F2 · Room-sized (1–3 kWh)
In brief
Usable capacity 10.24 kWh 2.5 kWh
Cell chemistry LFP (lithium iron phosphate) LFP (lithium iron phosphate)
Weight 167 kg 30 kg
Dimensions (W×D×H) 58.5 × 29.8 × 122.8 cm 44 × 32.8 × 18 cm
How long it lasts
Battery life cycles 3010 cicli 1825 cicli
The limit that runs out first energia garantita anni di garanzia
Rated cycles 3650 cicli 7000 cicli
Warranty 10 anni 5 anni
Guaranteed throughput 30.82 MWh —
Guaranteed remaining capacity 60 % 80 %
The numbers
Energy density 61.3 Wh/kg 83.3 Wh/kg
Identity
Use tier F4 — House-sized (8–20 kWh) F2 — Room-sized (1–3 kWh)
Category specs
Depth of discharge 100 % 100 %
Expandable Yes Yes
Maximum expanded capacity 38.4 kWh 20 kWh
Battery voltage 409.6 V 51.2 V
Declared compatible inverters Sedici marchi nell'elenco ufficiale: Fronius, GoodWe, Viessmann, KOSTAL, SMA, Sungrow, GE, KACO, KACO NH, Ingeteam, Solis, Canadian Solar, Deye, Solplanet, Western CO, Sosen. Per ciascun modello l'elenco dà il numero di moduli ammessi e la versione minima del firmware. CENTURIO, KACO blueplanet hybrid 10TL3
Round-trip efficiency 96 % 96 %
Standby consumption — 0.05 W
SPI index (HTW Berlin) — 95.4 %
HTW test power class — 10 kW class
HTW test edition — Stromspeicher-Inspektion 2026
Ingress protection IP55 IP21
Mounting Floor standing —
Minimum temperature -10 °C 5 °C
Maximum temperature 50 °C 40 °C
Works without internet Fully —
Local control Local network —
Open protocols CAN bus —
Remote updates Can be disabled —
App required for setup Yes —
Declared standards CE, UN 38.3, IEC 62619, VDE 2510-50 CE, UN 38.3

The differences that matter

  • Usable capacity: BYD Battery-Box Premium HVS 10.2 10.24 kWh vs Energy Depot DOMUS 2.5 2.5 kWh
  • Warranty: BYD Battery-Box Premium HVS 10.2 10 years vs Energy Depot DOMUS 2.5 5 years
  • Ingress protection: BYD Battery-Box Premium HVS 10.2 IP55 · Energy Depot DOMUS 2.5 IP21
  • Declared standards: BYD Battery-Box Premium HVS 10.2 CE, UN 38.3, IEC 62619, VDE 2510-50 · Energy Depot DOMUS 2.5 CE, UN 38.3

Which one to choose

Choose BYD Battery-Box Premium HVS 10.2 if…

you value usable capacity and warranty.

See the BYD Battery-Box Premium HVS 10.2 sheet →

Choose Energy Depot DOMUS 2.5 if…

you prefer this set-up — ingress protection: IP21.

See the Energy Depot DOMUS 2.5 sheet →

This comparison points to the two product pages, where you'll find the complete data and the official links.