Solar Car Air Purifier Price BD | Solar Car Air Purifier Price in Bangladesh. This air purifier has 99% bacterial removal rate and 98% formaldehyde / deodorization / benzaldehyde / germs / pollen / smoke / dust, with strong purification function for 24 hours removal. Solar car purifier has three charging modes: solar / connected DC power adapter / charging by a built-in battery. Dual-core negative ion generator generates 15 million negative ions per second. The air purifiers are easily cleaned to create a better environment for you inside the car. It has a 500mAh battery which requires 3 hours to be fully charged by USB and will work up to 48 hours. It turns on when the car starts, and It turns off automatically within 2 minutes after stopping.