RAMFAN’s long-life Battery Pak now with dual high-low speed control. Pulse width modulation extends battery life up to 8 hours in low setting yet gives a full 2.5 hours on high. UB20 fan can be powered by vehicle battery with supplied connector. Built-in charger allows you to fully recharge the battery cable in 12 hours.
Purge the area on high for 10 minutes, reduce to low speed (low-noise as well) and maintain fresh air for the whole work shift. Ideal for construction job sites to eliminate noisy gasoline-engine blowers.
- 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
- Up to 10 hours of continuous operation
- Lightweight and portable