The Nitecore Q4 Quick Charger offers new innovations to the seamingly simple battery community. The charger utilizes four slots to independently charge different batteries simultaneously. The Nitecore Q4 Quick Charger can provide a charging current of up to 1000mA in just a single slot! With this type of current, charging takes less time than ever before. Constructed from fire resistant PC materials, the Q4 can be used to its fullest without overheating.