ProTek R/C 4S Li-Poly 20C Battery Pack (14.8V/2100mAh) (Starter Box)
[PTK-LP-2100-4S20]

ProTek R/C 4S Li-Poly 20C Battery Pack (14.8V/2100mAh) (Starter Box)
Curtis Door - Rating: 5 of 5 Stars! Verified Owner Monday, February 04, 2013
By far the best starter box battery I've used. It has plenty of power to start new engines and will last a few races on one charge. I'm still using the one I got two years ago without a problem!