How much time does it take to fully charge the battery? 1 to 1.five hours How much time does it take to charge the battery to 50%? thirty to 40 minutes When charging the battery for 30 minutes, to what % is it charged? ~fifty% How many smoke only tests https://yesbookmarks.com/story18680995/testifire-xtr2-fire-alarm-testing-equipment-range-faqs