Thermacell Heated Insoles Proflex Battery Pack Charger with 2 Batteries OPEN BOX

The package looks to have been cut open where one of the batteries is located (battery still looks new), and the other battery and charger and charging cable look to have never been removed. Both batteries look unused though.

Keep your feet warm longer with extra batteries for ThermaCELL Heated Insoles ProFLEX

This battery pack includes 2 interchangeable rechargeable lithium-ion polymer batteries, 1 USB cable, and 1 wall charger that converts to a carrying case

Batteries fit ThermaCELL Heated Insoles ProFLEX

Each charge lasts up to 5 hours

Batteries charge in 4 hours or less

Extend heating without removing insoles from shoes or boots. Batteries recharge in four hours or less and last up to five hours per charge. The charging system can also be unplugged and used as a protective carrying case for the batteries.