Enphase Energy
Enphase Energy IQ Battery 5P
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Released 2023
Best Home Battery Backup · head-to-head
Enphase Energy IQ Battery 5P vs Anker SOLIX X1 (15 kWh)
A sourced, side-by-side comparison. Enphase Energy IQ Battery 5P is cheaper at —. Every spec and price links to its source.
Anker
Anker SOLIX X1 (15 kWh)
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Released 2024
Which is better: the Enphase Energy IQ Battery 5P or Anker SOLIX X1 (15 kWh)?
The Enphase Energy IQ Battery 5P wins 1 of the 1 specs we compare head to head; the other wins 0.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Enphase Energy IQ Battery 5P | Anker SOLIX X1 (15 kWh) |
|---|---|---|
| US price | — | — |
| Brand | Enphase Energy | Anker |
| Released | 2023 | 2024 |
| Usable capacity kwh | 5 | 15 |
| Continuous power (kW) | 3.84 | 6 |
| Peak power (kW) | 7.68 | 12 |
| Battery chemistry | LFP | LiFePO4 (LFP) |
| Round trip efficiency | 90 | 90.2 |
| Scalable stackable | Yes | Yes |
| Warranty years | 15 | 10 |
| Backup transfer time ms | — | — |
| Weight (lb) | 174 | 389 |
Sources — Enphase Energy IQ Battery 5P: enphase.com (verified 2026-08-01). Anker SOLIX X1 (15 kWh): ankersolix.com (verified 2026-08-01).
What's the difference between the Enphase Energy IQ Battery 5P and Anker SOLIX X1 (15 kWh)?
Where the two actually differ on the specs we track (7 of 9). Matching specs are omitted.
- Usable capacity kwh: Enphase Energy IQ Battery 5P 5 vs Anker SOLIX X1 (15 kWh) 15
- Continuous power (kW): Enphase Energy IQ Battery 5P 3.84 vs Anker SOLIX X1 (15 kWh) 6
- Peak power (kW): Enphase Energy IQ Battery 5P 7.68 vs Anker SOLIX X1 (15 kWh) 12
- Battery chemistry: Enphase Energy IQ Battery 5P LFP vs Anker SOLIX X1 (15 kWh) LiFePO4 (LFP)
- Round trip efficiency: Enphase Energy IQ Battery 5P 90 vs Anker SOLIX X1 (15 kWh) 90.2
- Warranty years: Enphase Energy IQ Battery 5P 15 vs Anker SOLIX X1 (15 kWh) 10
- Weight (lb): Enphase Energy IQ Battery 5P 174 vs Anker SOLIX X1 (15 kWh) 389