LFPWhole-home capablesold new in 2026
Anker SOLIX X1
A modular LFP system with strong peak power (12 kW) and fast backup switching; note Anker publishes only nominal capacity (10 to 20 kWh), not a usable-kWh figure.
Best for: high-surge modular backup
Figure - Specs to scalebars vs the largest in our database
Specifications
- Chemistry
- LFP
- Usable capacity
- 10, 15, or 20 kWh nominal per module (usable not published)
- Continuous power
- 6 kW
- Peak power
- 12 kW
- Round-trip efficiency
- 90.2%
- Depth of discharge
- Not published
- Warranty
- 10 years limited
- Scalable to
- 10 to 20 kWh per battery, up to 40 kWh per power module, up to 6 systems in parallel
- Backup scope
- Whole-home capable
- Inverter
- Integrated
- Weight
- 277 lb
- Dimensions
- 26.4 x 43.6 x 5.9 in (10 kWh)
Efficiency basis: AC to battery to AC at 77F. Round-trip numbers are only comparable across brands when measured the same way, so read the basis before comparing.
Capacity note: 10, 15, or 20 kWh nominal per module (usable not published).
Source: Anker SOLIX X1 AC-coupled datasheet (US), rev 2025-03. 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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