Double Your Capacity At Once】 VTOMAN Jump 1500 Extra Battery has a large capacity of 1548Wh. It can expand the capacity of Jump 1000 power station from 1408Wh to 2956Wh, expand Jump 1500 from 1548Wh to 3096Wh and Jump 1500X from 828Wh to 2376Wh.
eBay