Pro-Match 3S 8000mah capacity 150C constant 300C burst rate hard case hardwired Li-po pack. These packs are manufactured with the highest quality materials (critical materials come from Japan)and have a 2C (13amp)max. charge rate. This pack has very low internal resistance (2.2 milliohms/cell on average) with cells matched on capacity and resistance. Note: This pack comes hardwired with 12 gauge wire an XH balance plug and your choice of female connector Chose Plug type in Drop down Menu. Popular In many 10th scale application Boats & Cars some planes One of our all time Favorites This pack has BIG Punch Well suited for todays Big Bashers.