If you are making a recipe that needs 100 g margarine, How can you be sure that the amount is right? Simple, with this little pocket scale. This is a product with 0.1 g precision weighing ...

I bought this ultraviolet flashlight on DX thinking about an episode of CSI, but it is not really worth it. It can't even light up air conditioning car test. The only utility that I found is to look for filling in ...

A few years ago I found batteries similar to conventional ones, primarily for cree flashlights. I show here these new batteries 18650 and 14500. The 18650 is a huge battery with 3.2V and generally from 2Ah to 5Ah. Are Li-ion ...

I was looking for in china a battery charger and I found in the streets of Uruguaiana, in the center of Rio de Janeiro. It was only 53 ha.and 25 ha beside, charger and four batteries. Without doubt, 4300mAh cells are the best I've ever ...