What does a battery tender do and why should you use one to properly maintain your motorcycle battery? What is a battery tender? It's basically just a special type of battery charger that maintains a full battery charge when it's not in use. A battery tender plugs into a standard 120v AC power outlet and slowly transfers power to a 12V battery, helping to keep it at peak performance and allowing the battery to remain fully charged over long periods of inactivity. It is always recommended a battery tender is used to keep a motorcycle battery charged during the off-season or especially if you plan to let the bike sit for many months without being started. A battery tender helps to automatically maintain the battery and also helping to extend the life of your motorcycle battery while in storage and when exposed to long periods of cold weather. The best battery tenders for motorcycle batteries are made by Deltran Why choose a Deltran battery tender for your motorcyc