 The Volt 's battery is guaranteed by General Motors for eight years or 100 @,@ 000 miles ( 160 @,@ 000 km ) , and will cover all 161 battery components . GM estimates that the Volt batteries will degrade by 10 to 30 % after 8 years or 100 @,@ 000 miles . GM has applied for a patent that may allow technicians to quickly and cheaply recover some of the performance of degraded battery packs . The Volt ’ s battery management system runs more than 500 diagnostics at 10 times per second , allowing it to keep track of the Volt ’ s battery pack in real @-@ time , 85 % of which ensure the battery pack is operating safely and 15 % monitor battery performance and life . 
