This Dewalt DW9057 / DC9057 / DE9057 7.2-volt POWER PACK is a replacement battery pack built by Bluff Valley Battery. Our packs are built per order so you know you get a fresh pack, not one sitting on a shelf for 6 months. We use only quality 1.2 Volt, 2100 mAh NiMh cells. When assembled, tested, and inspected, these packs actually test out at 2100 mAh, 9.65 VOLTS! We offer a 12 month warranty on all of our battery packs. In addition, we rebuild all brands. Just send us you old battery pack ( we recycle all batteries) and we will rebuild it and send it back out to you in 5 to 7 days. Call us at 651-448-0064.
See this quick video on how to change out your battery pack.