Best Home Battery Backup · head-to-head

Panasonic EverVolt 2.0 vs Anker SOLIX X1 (15 kWh)

A sourced, side-by-side comparison. Panasonic EverVolt 2.0 is cheaper at —. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Panasonic EverVolt 2.0 Anker SOLIX X1 (15 kWh)
US price
BrandPanasonicAnker
Released20212024
Usable capacity kwh 17.1 15
Continuous power (kW) 7.6 6
Peak power (kW) 9.6 12
Battery chemistry LFP LiFePO4 (LFP)
Round trip efficiency 90.2
Scalable stackable Yes Yes
Warranty years 10 10
Backup transfer time ms
Weight (lb) 389

Sources — Panasonic EverVolt 2.0: na.panasonic.com (verified 2026-08-01). Anker SOLIX X1 (15 kWh): ankersolix.com (verified 2026-08-01).

What's the difference between the Panasonic EverVolt 2.0 and Anker SOLIX X1 (15 kWh)?

Where the two actually differ on the specs we track (4 of 9). Matching specs are omitted.

  • Usable capacity kwh: Panasonic EverVolt 2.0 17.1 vs Anker SOLIX X1 (15 kWh) 15
  • Continuous power (kW): Panasonic EverVolt 2.0 7.6 vs Anker SOLIX X1 (15 kWh) 6
  • Peak power (kW): Panasonic EverVolt 2.0 9.6 vs Anker SOLIX X1 (15 kWh) 12
  • Battery chemistry: Panasonic EverVolt 2.0 LFP vs Anker SOLIX X1 (15 kWh) LiFePO4 (LFP)

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