This is the FlightPower EON-X RX 1600 2S 7.4V LiPo Receiver Battery Pack with Balance Connector from FlightPower. FEATURES: Provides unequalled voltage stability and lighter weight than stock receiver batteries Ideal for the latest high torque, high speed servos that require more current Pre-fitted with two universal radio connectors, one for plugging into a regulator and one for charging at rates of up to 2.5C with an approved balancer such as the Great Planes ElectriFly Equinox LiPo Balancer INCLUDES: FlightPower EON-X RX 1600 2S 7.4V LiPo Receiver Battery Pack, two universal radio connectors, FlightPower balance connector and instruction sheet REQUIRES: ElectriFly Equinox LiPo Balancer, GPMM3160 and 2S Adapter (GPMM3180) if using this balancer Charger - TRITON2 SPECS: Size: 2.72 x 1.62 x 0.55" (69 x 42 x 14mm) Weight: 3.0oz (85g) Capacity: 1600mAh Rated Voltage: 7.4V Number of Cells in Series: 2 Max. Charge Voltage: 4.25V per cell Min. Discharge Voltage: 3.0V per cell Maximum Recommended Charge Current: 2.5C COMMENTS: ALWAYS use a LiPo-approved charger. DO NOT use wall charger supplied with radio ALWAYS use a LiPo Cell Balancer ALWAYS read enclosed instruction sheet NEVER Charge over 4.25V per cell NEVER Charge at currents greater than 2.5C with balancer NEVER Charge through the "To ESC or "DISCHARGE" lead NEVER Trickle Charge NEVER charge dissimilar or unmatched packs in series or with any difference in cell type, cell capacity, pack capacity or charge state (±0.03V per cell) if in doubt, charge separately NEVER allow to Discharge below 3.0V per cell Never expose pack to intense heat or prolonged exposure to elevated temperature NEVER continue charging if any part of pack gets warm (LiPo packs should not heat up during charging) NEVER charge a pack at sub-zero temperatures NEVER disassemble or modify pack wiring in any way or puncture cells NEVER place on combustible materials or leave unattended during Charging NEVER charge a pack that is under voltage after recovery (under 3.0V per series cell) ALWAYS Charge in a fireproof location ALWAYS set charger"s output volts to match battery volts ALWAYS keep out of reach of children jxs 01/21/10 ir/jxs