# Powerwall 3 vs ESS Home 8: specs and price compared

A sourced, side-by-side comparison of the Powerwall 3 (Tesla) and ESS Home 8 (LG Electronics) among home battery backup.

## Side by side

| Spec | Powerwall 3 | ESS Home 8 |
| --- | --- | --- |
| US price | $9200 | not published |
| Brand | Tesla | LG Electronics |
| Released | 2023 | — |
| Usable capacity kwh | 13.5 | 14.4 |
| Continuous power (kW) | 11.5 | 7.5 |
| Peak power (kW) | 22 | 9 |
| Battery chemistry | NMC | Li-ion (cylindrical cells) |
| Round trip efficiency | 97.5 | 90 |
| Scalable stackable | Yes | Yes |
| Warranty years | 10 | 10 |
| Backup transfer time ms | — | 100 |
| Weight (lb) | 287 | 359 |

## Key differences

- Usable capacity kwh: Powerwall 3 13.5 vs ESS Home 8 14.4
- Continuous power (kW): Powerwall 3 11.5 vs ESS Home 8 7.5
- Peak power (kW): Powerwall 3 22 vs ESS Home 8 9
- Battery chemistry: Powerwall 3 NMC vs ESS Home 8 Li-ion (cylindrical cells)
- Round trip efficiency: Powerwall 3 97.5 vs ESS Home 8 90
- Weight (lb): Powerwall 3 287 vs ESS Home 8 359

## Sources

- Powerwall 3: https://www.thegreenwatt.com/tesla-powerwall-3-specs/ (thegreenwatt.com, verified 2026-08-01)
- ESS Home 8: https://www.lg.com/us/ess/pdf/LG-ESS-Home8-spec-sheet-DIGITAL.pdf (lg.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/home-battery-backup/tesla-powerwall-3-vs-lg-ess-home-8/
Cite: Per The Front Desk Review, Powerwall 3 ($9200) vs ESS Home 8 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/home-battery-backup/tesla-powerwall-3-vs-lg-ess-home-8/
License: CC BY 4.0.