Powerwall firmware versions reported by Netzero app users active within the past 7 days.
Latest version seen: 26.26.5 a5fd5f43
| Version | PW3 % | First seen |
| 26.26.4 68c2bc82 | 75.3% | Sep 01, 2026 |
| 26.18.3 184289b9 | 10.1% | Jul 10, 2026 |
| 26.26.3 7fe9f37a | 8.0% | Aug 26, 2026 |
| 26.18.3-c-2 a38ba705 | 1.3% | Jul 21, 2026 |
| 26.18.1 fabf8f5a | 1.1% | May 26, 2026 |
| 26.26.5 a5fd5f43 | 0.9% | Sep 02, 2026 |
| 26.18.3-s 07b90ae6 | 0.7% | Aug 13, 2026 |
| 26.10.3 4f924de8 | 0.4% | Apr 16, 2026 |
| 26.18.3-b 3d6b3774 | 0.3% | Aug 01, 2026 |
| 26.18.3-e-2 cd589424 | 0.2% | Aug 04, 2026 |
| Others | 1.8% |
Latest version seen: 26.26.4 68c2bc82
| Version | PW2 % | First seen |
| 26.26.4 68c2bc82 | 76.4% | Sep 01, 2026 |
| 26.26.2 2d1a6997 | 14.8% | Aug 11, 2026 |
| 26.18.3 184289b9 | 2.4% | Jul 10, 2026 |
| 26.18.3-s 07b90ae6 | 1.6% | Aug 13, 2026 |
| 26.18.1 fabf8f5a | 1.1% | May 26, 2026 |
| 26.10.3 4f924de8 | 0.7% | Apr 16, 2026 |
| 26.26.3 7fe9f37a | 0.4% | Aug 26, 2026 |
| 26.2.0 87adb89e | 0.3% | Jan 23, 2026 |
| 26.2.2 82f2d663 | 0.2% | Mar 01, 2026 |
| Others | 2.2% |
The firmware version number follows a calendar-based scheme: the first part represents the year, and the second part indicates the week number of the major release. For example, version 25.42 corresponds to the year 2025 and the 42nd week starting October 13, 2025. Since 2023, Tesla has consistently released a new major version every 8 weeks. The third part of the version (e.g. 25.42.1) represents a revision or incremental update, which may be released more frequently.
Data last updated: 2026-09-05