LFPWhole-home capablesold new in 2026
sonnen sonnenCore+
A 10 or 20 kWh LFP system with a rare whole-unit 10 year / 10,000 cycle warranty; premium priced and lower on continuous power, but strong on cycle life and coverage.
Best for: cycle-life and warranty focus
Figure - Specs to scalebars vs the largest in our database
Specifications
- Chemistry
- LFP
- Usable capacity
- 10 kWh
- Continuous power
- 4.8 kW
- Peak power
- Not published
- Round-trip efficiency
- 85.4%
- Depth of discharge
- 100%
- Warranty
- 10 years or 10,000 cycles, covering inverter, modules, cabinet
- Scalable to
- 10 or 20 kWh per unit, up to 3 systems (60 kWh) per home
- Backup scope
- Whole-home capable
- Inverter
- Integrated
- Weight
- 353 lb
- Dimensions
- 27 x 69.5 x 14 in
Efficiency basis: max round trip efficiency per SGIP formula. Round-trip numbers are only comparable across brands when measured the same way, so read the basis before comparing.
Source: sonnen sonnenCore+ technical specifications, 2024 to 2025. Specs verified 2026-07-01. Figures are per single unit at beginning of life; confirm the current datasheet with your installer.
Specs do not tell you if it pays off.
Payback depends on your rate plan, usable capacity, and local incentives, not the brand on the box.
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