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E-flite Thrust VSI 4S LiPo 40C Battery Pack (14.8V/4000mAh) (EC3)

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The E-flite Thrust VSI 4S LiPo 40C Battery Pack features an integrated voltage checker so that you can check the status of your battery on the go. A series of LED lights will indicate the state of charge and remaining capacity by the press of a button. Compact E-flite Thrust Series lithium polymer batteries are rated at 40C to offer an excellent power-punch without a major weight penalty. These batteries come with a factory installed EC3 connector and an JST-XH balance connector making the pack compatible with a wide range of popular chargers. These batteries are Plug and play with E-flite ESCís and chargers right out of the package.


  • Powerful 40C continuous discharge rating
  • LED voltage indicator allows to check status of your battery with a push of a button
  • Available in a variety of capacities and voltages that are perfect for almost any application
  • Equipped with balancing leads and a connector that is compatible with most balancers and balancing chargers
  • 3Cmaximum charge rate for quick, safe recharging
  • No soldering required
  • Equipped with E-flite EC3 connector on main power leads
Type: LiPo
Capacity: 4000mAh
Voltage: 14.8V
Connector Type: EC3
Wire Gauge: 12AWG
Weight: 14.9oz (420g)
Configuration: Rectangular 4S1P
Length: 5.31 in (135mm)
Width: 1.73 in (44mm)
Height: 1.44 in (36.5mm)
Maximum Continuous Discharge : 40C
Maximum Burst Discharge : 80C
Maximum Continuous Current : 160A

WARNING: Lithium Polymer (Li-Po) batteries come partially charged and are significantly more volatile than the alkaline, Ni-Cd or NiMH batteries used in RC applications. Keep batteries out of reach of children, unless supervised by a responsible adult. All interactions and warnings found on the sheet inside of this card must be followed exactly. Mishandling of Li-Po batteries can result in a fire. Before handling and first use, visually and physically inspect the battery pack, wire leads, and connectors to ensure there are no loose connections which may cause short circuit and eventual fire. By handling, charging or using this Li-Po battery you assume all risks associated with Li-Po batteries.

This product was added to our catalog on September 27, 2016