This is the E-Flite LiPo 1S 300mA USB charger.
- Charges most 1S batteries using E-Flite ultra microconnector
- Covenient-use anywhere a powered USB port is available
- Works with a USB computer port, USB car charger adapter, ora USB AC power charger adapter
- DC Input: 5.0V 350mA
- DC Output: 4.2V 300mA