This new 2200 mAh updated charger has two LED lights to indicate charging status. Comes with a micro USB to regular USB cable. Made with a UL Certified Li-Ion battery. Charge up the power bank to keep it handy. When your device loses power, plug it into the power bank to get a quick recharge. Make sure to recharge the bank so it is ready for the next emergency. Minimum order 100 charger sets.