Powerwall firmware versions reported by Netzero app users active within the past 14 days.

Latest version seen:   25.26.1 2c4bb00e

Version	Powerwalls %	First seen
25.26.1 2c4bb00e	39.6%	Aug 06, 2025
25.18.5 a411ff15	30.5%	Aug 03, 2025
25.18.4 b6b41ca8	11.3%	Jun 28, 2025
25.10.4 067cd80a	4.2%	May 08, 2025
25.26.0 0d543d6e	3.7%	Jul 14, 2025
25.18.1 9eca33eb	3.3%	Jun 06, 2025
25.18.2 e1f565d8	1.5%	Jun 06, 2025
25.2.0 fedab918	0.7%	Feb 17, 2025
25.18.4-g 8021bee1	0.5%	Aug 06, 2025
24.44.0 510adfd5	0.5%	Feb 14, 2025
25.10.4 4a4191ff	0.5%	May 09, 2025
24.28.1 bf092653	0.3%	Jul 08, 2024
24.20.0 c128851f	0.2%	May 13, 2024
Others	3.1%

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 24.36 corresponds to the year 2024 and the 36th week starting September 2, 2024. Since 2023, Tesla has consistently released a new major version every 8 weeks. The third part of the version (e.g. 24.36.1) represents a revision or incremental update, which may be released more frequently.

Data last updated: 2025-08-20