Due back in stock first part of May

True Spec Extreme 7.4V40000mAh-115 Amps/150C Shorty 5mm Inboard pack. ROAR Approved

The Extreme shorty has the lowest possible intenral resistance for a shorty size which means t has more voltage under load.  This pack is perfect for the stock classes or modified classes when maximum punch is required.   We offer a 5mm to 4mm adapter for those who still want to use 4mm male connectors.  Click here for the adapter.

5mm gold plated pure copper adjustable connectors

- Built with wide tab cells for lowest possible internal resistance.

- 5mm pure gold plated copper tubes opened on both sides of the case.  


Pack Specs
Milliamp Hour 4000mAh
Voltage 7.4V
C Rate 115 Amps / 150C
Configuration 2S2P Hard Case
Connector Type
Inboard 5mm Gold plated pure Copper 5mm tubes. 2mm balance tube.
Length 96mm / 3.78in
Width 47mm / 1.85in
Height 25mm / 0.98in
Weight 212gr / 7.47oz

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True Spec Extreme 7.4V 4000mAh 115 Amps/150C Shorty 5mm Inboard

  • Product Code: 40115-2S2P
  • Availability: Pre-Order
  • $44.95 $39.95