If you are of the former probably heard that 1F capacitors (farads) are the size of a room. No more! Now there are more tiny capacitors, that may one day replace batteries in many applications. These ...

I have a lot of things that use batteries. Shopping carts, watches, controls and other nonsense. When I go to buy batteries at the supermarket I scare with the price. I recently found, in promoting cheaper, By R$11,90 8 batteries. A great idea is ...

The problems of traditional batteries, NiCd or NiMH batteries, they have average voltage of 1.2 V. This way when you replace batteries 1.5 V Rechargeable not already start with tension 20% minor. Various equipments adapt to this ...

I've bought other Chinese portable Chargers, but none of them worked fine. This is the first that really can recharge a cell phone since very little until 100%, still left some energy! Present to you the Sony laptop charger ...

Bought a camera in China in 2009, even waterproof! After some time stored unused discovered, When I went to turn it on, the battery went into space. Chinese Li-ion batteries generally swell and not carry ...

Tired of going to the street vendor of your city to buy these small batteries? Then buy direct from China! This together with 50 LR44 batteries, generally used in flashlights and watches, It costs little more than 10 real! Even comes with the same ...

I've bought many rechargeable batteries in China and I always wanted to buy one of these smart Chargers that make tests and give refresh in old batteries. Finally I decided to spend some money and buy this BT PowerFocus-C3100. This charger can charge ...