Best Home Battery Backup · head-to-head

Tesla Powerwall 3 vs LG Electronics ESS Home 8

A sourced, side-by-side comparison. Tesla Powerwall 3 is cheaper at $9200. Every spec and price links to its source.

Which is better: the Tesla Powerwall 3 or LG Electronics ESS Home 8?

The Tesla Powerwall 3 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 Tesla Powerwall 3 LG Electronics ESS Home 8
US price $9200
BrandTeslaLG Electronics
Released2023
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

Sources — Tesla Powerwall 3: thegreenwatt.com (verified 2026-08-01). LG Electronics ESS Home 8: lg.com (verified 2026-08-01).

What's the difference between the Tesla Powerwall 3 and LG Electronics ESS Home 8?

Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.

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

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