Tesla Powerwall Degraded Capacity: How to File a Warranty Claim Successfully

Tesla Powerwall degraded capacity becomes a warranty issue when the battery fails the retained-energy guarantee in the warranty that covers your installation, usually 70% of the stated usable capacity during the applicable coverage period. For a 13.5 kWh Powerwall, 70% equals 9.45 kWh, but Tesla determines eligibility from system diagnostics, warranty terms, operating conditions, and […]