Columbus Supply

This long life battery pack and charger now has infinitely high-low control. Pulse width modulation extends battery life up to 10 hours in low setting yet gives a full 2.5 hours on high. Built-in charger allows you to fully recharge the battery in 12 hours. Purge the area on high for 10 minutes, reduce to low speed and maintain fresh air for the whole work shift. High-low control enables fast-purge ventilation and lower speed for maintaining safe work space. High impact case includes battery and built-in charger for overnight charging. These battery packs give up to 10 hours of continuous operation and are lightweight and portable.