hi every one, iam new to this forum and new to electronics and iam here with a lot of questions, so in my series of doubts i would like to put out few questions for now! 1. how do i charge a rechrgable battery with a minimal voultage input? 2. to be more precise - i have a 3.7 v 220 mah Lithium polimer cell - i want to charge it using a 12v dc adaptor as a source - how do i do it ? sorry folks my questions it self could be lame but i dont know where to look for answers please help me!