it should be "+" side heater than "-" side wor. btw, those battery box cannot use too high current(not more than 2A), otherwise the battery box will melt.
原帖由 samy 於 2006-8-16 10:23 發表
it should be "+" side heater than "-" side wor. btw, those battery box cannot use too high current(not more than 2A), otherwise the battery box will melt.