Qcells Q.HOME CORE

A modular LFP system (9 to 18 kWh) from a major solar brand, but it is a multi-box setup (separate inverter, battery, and hub) rather than an all-in-one unit. Its listed 7.6 kW AC output is inverter-limited; the battery module itself is rated higher.

Specifications

Chemistry

LFP

Usable capacity

up to 18 kWh

Continuous power

7.6 kW

Peak power

Not published

Round-trip efficiency

95%

Depth of discharge

90%

Warranty

battery 12 years at 90 percent DoD and 6,000 cycles; inverter and hub 10 to 12 years

Scalable to

9 to 18 kWh, up to 20 kWh per system

Backup scope

Whole-home capable

Inverter

Needs a separate inverter

Weight

Not published

Dimensions

battery 33.5 x 23.6 x 5.8 in (D10.0 module)

Efficiency basis: battery module round trip (system cycle efficiency is lower). Round-trip numbers are only comparable across brands when measured the same way, so read the basis before comparing.

Source: Qcells Q.HOME CORE datasheet (H3S/H7S), May 2025. Specs verified 2026-07-01. Figures are per single unit at beginning of life; confirm the current datasheet with your installer.