Recently, an artifact called AtoDBattery battery turned out, the battery is a new scalable transform battery, its novelty is that it can be changed into small.
Although many products can be charged, but we still can not be separated from the battery. However, due to electronic devices require battery models are not the same, so we are in battery choice in a very passive. Telescopic battery shell is made of a flexible material, only need to gently pinch, you can arbitrarily change the size, like a sponge. Do not need to find a specific size charger charging really convenient.