Lithium Polymer 1800mAh 11.1V 30C Battery Pack with Balance Connector.

FEATURES: Balancing allows all cells to fully charge to 4.2V ensuring
            maximum power from the pack, plus conditions the cells better
            so they will last longer
          Safer as long as the Cell Balancer or a properly equipped Charger
            with Balancing Capabilities is used

INCLUDES: Great Planes ElectriFly Lithium Polymer 1800mAh 11.1V 30C Balance
            Battery Pack with ElectriFly Balance Connector, Deans Ultra Plug
            and Instruction Sheet

SPECS:    Capacity: 1800mAh
          Number of Cells in Series: 3
          Rated Voltage: 11.1V
          Discharge Current: 30C
          Maximum Recommended Charging Amps: 1.8A
          Pack Dimensions: 3.4 x 1.4 x 1.0" (86 x 35 x 25mm)
          Weight: 5.6oz (160g)