Charging Freely :
Independent charging channels, can charge BT-201/301 rechargeable power supply and 3.6-3.8V Li-ion rechargeable power supply .
Smart LCD screen will indicate each power supply charging or discharging status for power supply .
Easy to use cycling feature, fully discharges and charges your cells to extend their overall lifespan and performance.
* Controlled by MCU,automatically when charged full .
* Short circuit protection and reverse polarity protection.
* Overheat-detection to prevent over-charging.
Connect Main Power:
* Use the provided connector cable and connect the USB adapter to any 5V power source such as laptop, AC adapter, car charger and power bank.
* Connect the mirco-USB adapter to the DC input socket of the charger base.