This is the Traxxas Power Cell 7.4V 3300mAh 25C 2S LiPo Battery.

FEATURES: Semi rigid construction does not require a hard case and eliminates
            wire harness connectors that can loosen and fail
          Engineered specifically to fit Traxxas models
          12AWG multi strand wire is soldered directly to the LiPo cells
            eliminating increased resistance from bullet connectors and
            accidental reversed polarity connections

INCLUDES: Traxxas Power Cell 7.4V 3300mAh 25C LiPo 2S Battery with High
            Current Connector and JST/XH Balance Plug

REQUIRES: Balancer and LiPo compatible charger or LiPo charger with built-in
            balancer such as the Onyx 235, DTXP4235
          LiPo charging bag

SPECS:    Configuration: 2S2P
          Continuous Discharge: 25C (83A)
          Max Burst Rate: 50C (165A)
          Watt Hours: 24.42
          Charge Rate: 1C (3.3A)
          Max Charge Rate: 2C (6.6A)
          Dimensions: 5.3 x 0.8 x 1.8" (135 x 21 x 45mm)
          Weight: 6.3oz (178g)

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
          ALWAYS keep out of reach of children

                                                                   jxs 09/15/11
                                                                         ir/jxs