8. DO NOT place the product in high-temperature environments for a long time. The JUMPSURGE3000's working temperature is of -10 ℃ ~40 ℃ (14 ℉ ~104 ℉ ). 9. Check the battery level of this product every two months and charge it regularly. 10. The JUMPSURGE3000 contains a Lithium-Ion Battery. Please dispose of it under local regulations at the end of its life. WHAT'S INCLUDED JUMPSURGE 3000 Battery Clamps USB Cable Adapter EVA Carrying Bag User Manual