Firstpower 3.7Ah12V Battery - Compatible With Dewalt 12V Dw9071 Dw9072, Packs Product Details ?Battery Features?: NI-MH, 12V, 3.7Ah, 2Packs. Replace for all original 12V NI-MH NI-CD battery model. Powers entire line of 12V NI-MH NI-CD tools, allowing users to run multiple tools off of the same battery pack. ?Compatible with Dewalt 12V NI-MH NI-CD Tools?: Replacement battery, Not original. Fits current model 12V NI-MH NI-CD tools and original charger. E.g: DW9071 DW9072 DC9071 DE9037 DE9071 DE9072 DE9074 ... ?High Capacity Easy to Install?: High capacity XRP battery has 25% more run-time than standard batteries. The same function and size as original 20V battery, so very easy install and it fits perfectly. Not tight or loose. ?Charge Stable?: Top A grade NI-MH Battery Cells,Built-in protection against potential damage caused by overcharging, overheating and short-circuit protection. Not hot when charge. Tested by manufacturer to match Original OEM product. ?NOTE?: NOTE: Please don't over charge the battery ; Cool down the battery before recharge it. Store it in a clean, dry, cool place away from heat and metal objects. 24-hour service: If you have any questions, please feel free to contact us. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.