Top Solar Battery Warranties

Compare Solar Battery Warranties

Best Solar Battery Warranty: Enphase AC

  • 80% (+) of original capacity guaranteed at the end of warranty
  • 10-years or 7,300 cycles
  • 10 year workmanship warranty

Runner-Up Battery Warranty: Tesla Powerwall 2

  • 70% (+) of original capacity guaranteed at end of warranty
  • 10-year warranty
  • Unlimited cycles
  • 5-year extended warranty upgrade is available

Honorable Mention Battery Warranty: Sonnen Eco

  • 70% (+) of original capacity, at the end of 10 years or 10,000 cycles.

Honorable Mention Battery Warranty: SunPower SunVault 13

  • 70% (+) of their original capacity is guaranteed to be retained at the end of 10 years or 4,000 cycles.

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