About Powerextra: Powerextra products are made with the highest quality materials.Our products are CE certified, tested by manufacturer to match and/or exceed specifications of OEM products. Powerextra focus on providing quality power products and excellent customer service,Looking forward to your support and your positive affirmation. Advantage : This Replacement Battery is Designed for Dewalt DW9072 DW9071 DC9071 ,It is a kind of Ni-CD Recharageable battery,you can carry it anywhere anytime, convenient to use. And it has no memory effect. Can be charged or discharged as needed without loss of capacity. The functions are the same as the original equipment Uses the highest quality cells, safe with rapid-charge technology while providing overcharge and overdischarge protection to increase the life of the battery Replacement Part # : Dewalt 152250-27, 397745-01, DC9071, DE9037, DE9071, DE9072, DE9074, DE9075, DW9071, DW9072 More choices: (copy and paste code into amazon search) 2000mAh 2 pack:B00EUUAGEQ 2000mAh 4 pack:B00H9AVQTI 3000mAh:B00N1SN2M6 3000mAh 2 pack:B00OCDJIF4 Warranty : We guarantee to provide brand new high quality replacement batteries with REAL SPECIFICATIONS All Powerextra products come with a 30-day money back and a 12-month limited seller's guarantee against manufacturer defects from date of purchase, and 24 hours' friendly customer service!