type:lithium battery voltage:48v capacity:< 10ah type:silver fish type battery voltage:48v 17.5ah cycle life:800-1000 times warranty:1 years payment term:t/t or western union certificate:ce/rosh/msds/un38.3 selling units: single item single package size: 48x17x14 cm single gross weight: 5.500 kg package type: include charger, keys etc, 1 battery pack for 1 carton. our battery packs are made up of authentic grade a battery cells from korea or japan. we use samsung, panasonic or lg brand cells and and some use our chinese cells we can customized battery according to your request. please tell us information like, voltage, capacity, size, motor power or more..syi