How much time will it take to completely charge the battery? 1 to 1.5 hours How much time will it take to charge the battery to 50%? thirty to forty minutes When charging the battery for 30 minutes, to what % is it charged? ~fifty% How many smoke only tests https://e-bookmarks.com/story4162352/testifire-xtr2-fire-alarm-testing-equipment-range-faqs