This is a Evolve Carbon GTR battery that can be used as a replacement or they are fast to change so you could use it to double your range. It was taken off of a new Evolve Carbon GTR that i bought but recently decided to just sell all the parts. Works perfect Brand new. FEEL FREE TO ASK ME ANY QUESTIONS I USUALLY RESPOND IN A MINUTE OR TWO. The item “Evolve Carbon GTR Electric Skateboard Battery Brand NEW 14AH 31 Mile Range” is in sale since Sunday, September 6, 2020. This item is in the category “Sporting Goods\Outdoor Sports\Skateboarding & Longboarding\Longboards-Complete”. The seller is “prusai3mk3″ and is located in Winter Park, Florida. This item can be shipped to United States.