With design and trend continue, Shorty design pack is essential in the current race market. Without Compromise, targeting target lowest IR and highest energy output. This will be our best answer inside shorty design pack up currently. The newest and latest Arrowmax Red Series battery pack AM-700204 shorty pack is a well enhanced version compared with others, it is very punchy providing you with extremely high energy and low internal resistance. Most useful shorty style pack in the market for now!