Using this Ampd Bros ACE bike battery lock barrel is easy. First, make sure you have your old keys to remove the battery from the old lock. Then, replace the old barrel with the new one. Remember, the keys are unique and won't work with your old lock. The striker plate is not included, so you'll use the one you already have. When it comes to maintenance, keep the lock barrel clean and dry. Avoid using harsh chemicals on it. If you have any issues or want to order this part, be prepared to provide proof of ownership and/or the device serial number as Ampd Brothers may request it.