You can look in the my Disney experience app at your past bands and if they are active, but yes you can still use them.
People Also Ask
REUSE THEMIf you've customized one of your bands or grown partial to a special edition band you purchased, you can reuse a band from a previous trip. Generally, the battery life of MagicBands is between 2-5 years, though the MagicBand+ may last longer because they are rechargeable.
Once a MagicBand+, MagicBand or card is linked to your Disney account, it cannot be transferred to another person for use at the Walt Disney World Resort.
Yes, you can use a MagicBand from a previous Walt Disney World vacation for your next Walt Disney World vacation as long as it is active in your My Disney Experience account.
If you are choosing your MagicBand in your My Disney Experience Account you may see an official notification from Walt Disney World stating that MagicBand availability is currently limited due to supply chain challenges.
And when it comes to charging your MagicBands – well, it depends on which kind you have! If you purchased an original MagicBand (or MagicBand 2), this style does not need to be charged. When purchased through your My Disney Experience account, this is automatically linked with your account and reservations.