The rapid btx530 cordless tacker is powered by a re chargeable 72 volt lithium ion battery which allows you to work at high speed and with full mobility on different materials the battery is long lasting and fires more than 1300 staples per full charge lithium ion batteries also ensure no self discharge so the tacker is always ready to use it has an ergonomic design with a soft grip handle and perfect balance to ensure comfort and accuracy the power is adjustable to suit different materials and