they appear to be just like Trakpower packs...if it is here is a link to the Trakpoer 2s packs they are made by Flightpower very good packs

packs........http://www3.towerhobbies.com/cgi-bin...&I=LXRWF7&P=ML

balancer.....http://www3.towerhobbies.com/cgi-bin...&I=LXRWF8&P=ML


I dont know tha qualityof the Team Checkpoint but I know the Trakpowers are top notch


mike has them too

http://www.rc-monster.com/proddetail...=AFT-T49002S1P

balancer....http://www.rc-monster.com/proddetail...-bal-trakpower