The Xtar MC2 is a fast and reliable battery charger for lithium-ion batteries. This charger is powered using a universal micro USB interface and can be connected to any compatible computer or USB wall outlet. Charge all of the most popular sizes of Li-ion batteries including 14500, 16340 and 18650 rechargeable cells. The MC2 features over heat protection, reverse polarity and short circuit protection that keep your charging unit not only fast but safe as well. The body of the charger is made out of highly durable and heat resistant ABS plastic that promises a device with damage resistance and a long working life.