How much usable energy does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) store?

261 kWh (datasheet, e3dc.com, read 28 Oct 2026), for this configuration: Single all-in-one AC-coupled outdoor cabinet incl. inverter, 261 kWh usable / 125 kW.

What is the round-trip efficiency of the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk)?

94 % (DC) (datasheet, e3dc.com, read 28 Oct 2026). DC means the battery alone, without the inverter.

What warranty does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) have?

10 years, 10,000 cycles, 60 % of capacity at the end (datasheet, e3dc.com, read 28 Oct 2026). The warranty document's own terms decide which limit comes first.

Does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) include an inverter?

Yes, it has an integrated power conversion system (PCS) rated 125 kW (datasheet, e3dc.com, read 28 Oct 2026).

How much does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) cost?

No public price listing was found for it when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

E3/DC (HagerEnergy GmbH)

qntm (Gewerbekraftwerk)

Single all-in-one AC-coupled outdoor cabinet incl. inverter, 261 kWh usable / 125 kW.

Hager Group brand; LFP cells, maker not named. Same headline rating (261 kWh / 125 kW) as sonnenPro Compact 261.

Short answer

The E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) is an LFP C&I battery cabinet (as specified: Single all-in-one AC-coupled outdoor cabinet incl. inverter, 261 kWh usable / 125 kW). Usable energy: 261 kWh. Max. discharge power: 125 kW. Round-trip efficiency: 94 % (DC). Warranty: 10 years.

Each figure is in the table below with its source and the day it was read.

Specifications

Spec	Value	Source
Chemistry	LFP	e3dc.comDatasheet · read 28 Oct 2026
Usable energy	261 kWh'Nettokapazität' / usable battery capacity	e3dc.comDatasheet · read 28 Oct 2026
Nominal energy	unavailableOnly net/usable capacity stated.	Not published
Max. discharge power	125 kW	e3dc.comDatasheet · read 28 Oct 2026
Max. charge power	125 kWAC nominal power; max apparent 137.5 kVA	e3dc.comDatasheet · read 28 Oct 2026
C-rate	0.48 Cderived: 125 kW / 261 kWh	e3dc.comDatasheet · read 28 Oct 2026
Round-trip efficiency	94 % (DC)'Max. Gesamtwirkungsgrad Batterie >=94%' (battery); inverter max 98.6%; aux consumption up to 6 kW	e3dc.comDatasheet · read 28 Oct 2026
Depth of discharge	unavailable	Not published
Cycle life	unavailable	Not published
Warranty	10 yearsProduct warranty 10 years free or 15 years with surcharge; capacity guarantee up to 15 years or 10,000 cycles to 60% of usable capacity depending on application; <=730 cycles/year	e3dc.comDatasheet · read 28 Oct 2026
Warranty cycles	10,000 cycles'bis zu 10.000 Zyklen' depending on use case	e3dc.comDatasheet · read 28 Oct 2026
Warranty throughput	unavailable	Not published
Capacity at end of warranty	60 %	e3dc.comDatasheet · read 28 Oct 2026
Nominal voltage	unavailable	Not published
Operating temperature	−20 to 55 °CRecommended +15..+30 C	e3dc.comDatasheet · read 28 Oct 2026
Dimensions (W × D × H)	1,000 × 1,420 × 2,250 mmPer unit; mounting base adds 220 mm height and 200 kg	e3dc.comDatasheet · read 28 Oct 2026
Weight	2,720 kg	e3dc.comDatasheet · read 28 Oct 2026
Ingress protection	IP55C5-H corrosion	e3dc.comDatasheet · read 28 Oct 2026
Integrated inverter (PCS)	Yes, 125 kW	e3dc.comDatasheet · read 28 Oct 2026
Scalability	Units can be extended arbitrarily; example table 1-5 units = 261-1,305 kWh / 125-625 kW	e3dc.comDatasheet · read 28 Oct 2026
Certifications	UN38.3, UL9540A, UL1973, IEC62619, IEC61000-6-2/4, IEC62477-1, RoHS2.0, REACH, VDE-AR-N 4105:2018-11, VDE-AR-N 4110:2023-09, VDE-AR-N 4120:2018-11, EN 50549-1, EN 50549-10	e3dc.comDatasheet · read 28 Oct 2026
Compatible inverters	unavailableN/A: integrated PCS	Not published

Datasheete3dc.comversion Stand 25. September 2026 · dated 2026-09-25 · read 28 Oct 2026

Notes

File path says 2026/01 but document content is dated 25 Sep 2026.

Sold in: DE

Prices

No public price listing was found when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

Questions

How much usable energy does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) store?: 261 kWh (datasheet, e3dc.com, read 28 Oct 2026), for this configuration: Single all-in-one AC-coupled outdoor cabinet incl. inverter, 261 kWh usable / 125 kW.
What is the round-trip efficiency of the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk)?: 94 % (DC) (datasheet, e3dc.com, read 28 Oct 2026). DC means the battery alone, without the inverter.
What warranty does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) have?: 10 years, 10,000 cycles, 60 % of capacity at the end (datasheet, e3dc.com, read 28 Oct 2026). The warranty document's own terms decide which limit comes first.
Does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) include an inverter?: Yes, it has an integrated power conversion system (PCS) rated 125 kW (datasheet, e3dc.com, read 28 Oct 2026).
How much does the E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk) cost?: No public price listing was found for it when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

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