iEGrow ZH222C Battery Charger for 3.7 V/3.8 V Li-Ion Battery and 1.2 V Ni-MH/Ni-CD Battery with USB Port Function as a Mobile Power Adapter Note: The charger only apply to 3.7V or 3.8V Li-Ion battery and 1.2V Ni-MH and Ni-CD battery Save time: two battries could be charged together, or optionally charge one With VA LCD screen and real-time display: It can be automatically synchronized to view the charging time of the battery, the exact amount of power, battery voltage, and anytime you can switch charging current to 0.5A, 1A or 2A. Function as a power bank: It can automatically detect Li-ion / Ni-MH / Ni-Cd battery and it will charge safety, if it stops charging the battery, you can use 1 battery to discharge 5V to charge a cellphone and other devices Environment Friendly: The charger reduces battery purchasing, one pair rechargeable batteries could be charged and used recycling.