June 2026 monthly summary for the evcc development team highlighting a targeted bug fix in Deye LV meter energy scaling and its business impact. This period focused on reliability and data accuracy for energy readings across devices, with traceable commits and clear alignment to customer value.

Month: 2026-04 Overview: - Focused feature delivery in evcc-io/evcc that enhances configurability for Deye Hybrid Inverter across battery types by unifying LV and HV templates. - Single, traceable commit merged templates to support multi-voltage battery configurations, improving usability and deployment speed. Details: - Key feature delivered: Deye Hybrid Inverter: Unified LV/HV templates for configurable battery support - Description: Merged low voltage (LV) and high voltage (HV) templates to enhance configurability and usability for different battery types in the Deye hybrid inverter. - Commit: f00cde4972f3688ef5bc3950711f7619aa4967e8 ("Deye-hybrid-3p: merge LV and HV templates (BC) (#28670)") Impact: - Business value: Easier setup, reduced configuration errors, and broader compatibility with diverse battery chemistries in Deye hybrids, accelerating time-to-value for customers and partners. - Technical achievements: Template unification, consistent configuration surface for LV/HV batteries, traceable change with a single merged commit, clear ownership and history for this feature. End-of-month note: - Major bugs fixed: None reported this period. - Technologies/skills demonstrated: Template-driven configuration, cross-template integration, version control discipline, commit traceability, and collaboration across the EVCC codebase.