# aPower 2 vs SOLIX X1 (15 kWh): specs and price compared

A sourced, side-by-side comparison of the aPower 2 (FranklinWH) and SOLIX X1 (15 kWh) (Anker) among home battery backup.

## Side by side

| Spec | aPower 2 | SOLIX X1 (15 kWh) |
| --- | --- | --- |
| US price | not published | not published |
| Brand | FranklinWH | Anker |
| Released | 2024 | 2024 |
| Usable capacity kwh | 15 | 15 |
| Continuous power (kW) | 10 | 6 |
| Peak power (kW) | 15 | 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) | 357 | 389 |

## Key differences

- Continuous power (kW): aPower 2 10 vs SOLIX X1 (15 kWh) 6
- Peak power (kW): aPower 2 15 vs SOLIX X1 (15 kWh) 12
- Battery chemistry: aPower 2 LFP vs SOLIX X1 (15 kWh) LiFePO4 (LFP)
- Round trip efficiency: aPower 2 90 vs SOLIX X1 (15 kWh) 90.2
- Warranty years: aPower 2 15 vs SOLIX X1 (15 kWh) 10
- Weight (lb): aPower 2 357 vs SOLIX X1 (15 kWh) 389

## Sources

- aPower 2: https://www.franklinwh.com/products/apower2-home-battery-backup/ (franklinwh.com, verified 2026-08-01)
- SOLIX X1 (15 kWh): https://www.ankersolix.com/x1-energy-storage-system-hes (ankersolix.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/home-battery-backup/franklinwh-apower-2-vs-anker-solix-x1/
Cite: Per The Front Desk Review, aPower 2 (not published) vs SOLIX X1 (15 kWh) (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/home-battery-backup/franklinwh-apower-2-vs-anker-solix-x1/
License: CC BY 4.0.