Ensure you're always ready for your next spray tan session with the spare battery for the NUDA Wireless Spray Tan Machine. This long-lasting, rechargeable battery provides up to 25 minutes of continuous use on a full charge, so you never have to worry about running out of power. With a quick charging time of just 55 minutes, you'll be back to work in no time. Perfect for busy mobile artists or as a backup for extended appointments.