# IQ Battery 5P vs PWRcell 2 (M3, 9 kWh): specs and price compared

A sourced, side-by-side comparison of the IQ Battery 5P (Enphase Energy) and PWRcell 2 (M3, 9 kWh) (Generac) among home battery backup.

## Side by side

| Spec | IQ Battery 5P | PWRcell 2 (M3, 9 kWh) |
| --- | --- | --- |
| US price | not published | not published |
| Brand | Enphase Energy | Generac |
| Released | 2023 | 2024 |
| Usable capacity kwh | 5 | 9 |
| Continuous power (kW) | 3.84 | 5.2 |
| Peak power (kW) | 7.68 | 15.6 |
| Battery chemistry | LFP | NMC |
| Round trip efficiency | 90 | 88 |
| Scalable stackable | Yes | Yes |
| Warranty years | 15 | 10 |
| Backup transfer time ms | — | 50 |
| Weight (lb) | 174 | 394.1 |

## Key differences

- Usable capacity kwh: IQ Battery 5P 5 vs PWRcell 2 (M3, 9 kWh) 9
- Continuous power (kW): IQ Battery 5P 3.84 vs PWRcell 2 (M3, 9 kWh) 5.2
- Peak power (kW): IQ Battery 5P 7.68 vs PWRcell 2 (M3, 9 kWh) 15.6
- Battery chemistry: IQ Battery 5P LFP vs PWRcell 2 (M3, 9 kWh) NMC
- Round trip efficiency: IQ Battery 5P 90 vs PWRcell 2 (M3, 9 kWh) 88
- Warranty years: IQ Battery 5P 15 vs PWRcell 2 (M3, 9 kWh) 10
- Weight (lb): IQ Battery 5P 174 vs PWRcell 2 (M3, 9 kWh) 394.1

## Sources

- IQ Battery 5P: https://enphase.com/store/storage/gen3/iq-battery-5p (enphase.com, verified 2026-08-01)
- PWRcell 2 (M3, 9 kWh): https://www.generac.com/globalassets/residential/dealers--installers/generac-installer-programs/solar--battery-installer-support/pc2brochure_specguide.pdf (generac.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/home-battery-backup/enphase-iq-battery-5p-vs-generac-pwrcell-2/
Cite: Per The Front Desk Review, IQ Battery 5P (not published) vs PWRcell 2 (M3, 9 kWh) (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/home-battery-backup/enphase-iq-battery-5p-vs-generac-pwrcell-2/
License: CC BY 4.0.