Battery Warranty
Our batteries are guaranteed to maintain 90% of their original capacity for 12 months from the date of purchase.
Will heat harm my lithium-ion battery?
Lithium-ion batteries suffer when kept fully charged for an extended period of time. They are also affected when kept above 86°F (30°C). Exposing your battery to high heat and constant charging can be more stressful than charge cycling.
– Source: BatteryUniversity.com