This is the FlightPower Eon-X 4350mAh 4S 14.8V 30C LiPo Battery. FEATURES: Dean"s Ultra Female connector installed on discharge leads 90 day limited warranty commencing at the date of purchase, valid only in North America (USA, Canada and Mexico) 50% Crash Coverage-In the unfortunate event that your FlightPower product suffers crash damage within the first 180 days after purchase, feel free to contact FlightPower USA Support. Upon providing evidence of crashed aircraft and pack(s), FlightPower USA is able to offer a replacement pack or packs at 50% of the suggested selling price, plus shipping. Please do not ship your battery packs to FlightPower USA. INCLUDES: FlightPower Eon-X 4350mAh 4S 14.8V 30C LiPo Battery with Flightpower Balance Connector and Dean"s Ultra Female Connector REQUIRES: Balancing system (GPMM3160) and 4S Adapter (GPMM3187) LiPo compatible charger SPECS: Length: 5.3" (135mm) Width: 1.73" (44mm) Height: 1.57" (40mm) Weight: 17.9oz (507g) *All weights and measurements are averaged and will vary slightly Capacity: 4350mAh Power Rating: 64.4W Max. Charge Current (6C): 21.8A Max. Continuous Discharge Current (50C): 130.5A Rated Voltage: 14.8V Number of Cells in Series: 4 COMMENTS: ALWAYS use a LiPo-approved Charger ALWAYS use a LiPo Cell Balancer NEVER Charge over 4.20V per cell NEVER Charge at currents greater than 1C NEVER Charge through the "To ESC or "DISCHARGE" lead NEVER Trickle Charge NEVER allow to Discharge below 2.5V per cell NEVER disassemble or modify pack wiring in any way or puncture cells NEVER place on combustible materials or leave unattended during charging ALWAYS Charge in a fireproof location ALWAYS set charger"s output volts to match battery volts jxs 9/15/09 ir/jxs updt jxs 01/26/11