Hotronic XLP 1P BT Power Set Gray, One Size

The Hotronic XLP 1P BT Power Set is an extra set of Li-ion batteries for the XLP 1P BT heat socks. These low-weight, compact batteries deliver constant heating power with 2200 mAh output and are easy to charge with Intelligent charging technology. With a Bluetooth connection to the Hotronic Heat App, we can easily access heat settings and battery levels from our smartphones.