FranklinWH
aPower 2
—
Released 2024
Best Home Battery Backup · head-to-head
aPower 2 vs ESS Home 8
A sourced, side-by-side comparison. aPower 2 is cheaper at —. Every spec and price links to its source.
LG Electronics
ESS Home 8
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Which is better: the aPower 2 or ESS Home 8?
The aPower 2 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 | aPower 2 | ESS Home 8 |
|---|---|---|
| US price | — | — |
| Brand | FranklinWH | LG Electronics |
| Released | 2024 | — |
| Usable capacity kwh | 15 | 14.4 |
| Continuous power (kW) | 10 | 7.5 |
| Peak power (kW) | 15 | 9 |
| Battery chemistry | LFP | Li-ion (cylindrical cells) |
| Round trip efficiency | 90 | 90 |
| Scalable stackable | Yes | Yes |
| Warranty years | 15 | 10 |
| Backup transfer time ms | — | 100 |
| Weight (lb) | 357 | 359 |
Sources — aPower 2: franklinwh.com (verified 2026-08-01). ESS Home 8: lg.com (verified 2026-08-01).
What's the difference between the aPower 2 and ESS Home 8?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- Usable capacity kwh: aPower 2 15 vs ESS Home 8 14.4
- Continuous power (kW): aPower 2 10 vs ESS Home 8 7.5
- Peak power (kW): aPower 2 15 vs ESS Home 8 9
- Battery chemistry: aPower 2 LFP vs ESS Home 8 Li-ion (cylindrical cells)
- Warranty years: aPower 2 15 vs ESS Home 8 10
- Weight (lb): aPower 2 357 vs ESS Home 8 359