Please fully charge the battery once you receive it to activate the battery for maximum capacity. In order to keep the highest power and longest using life, make sure to charge the battery at least every three months once time, if prepare storage for a long time make sure keep battery capacity above 80%.Battery should be placed in a dry environment, far away from fire and water. When the battery capacity is less than 20%, please charge in time to ensure the battery life. We will handled it properly. Important notice for recycling of used batteries. As a professional battery distributor, we strictly abide by local laws and regulations to ensure battery quality, transportation and storage safety, environmental protection. According to the battery regulation, batteries must not be disposed of with household ordinary waste. Consumers are obliged to dispose of the used batteries to the professional recycling agency for proper disposal. They must not be arbitrarily throw into the trash. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components". The seller is "sports_718" and is located in this country: GB. This item can be shipped to United Kingdom.