Powerost 4Ah 12V Dcb120 Replacement Battery, 4.72 X 4.09 X 3.86 Inches, Is Replace OEM Part Number: DCB120, DCB121 DCB127. Compatible Tools Model: Compatible with 12V Max charger: DCB100, DCB101 DCB119. Tip: 1.Let your machine rest before charging after a heavy usage, please wait for 15-30 minutes before charge the battery. 2. Please don't stay battery on the charger unless in charging. 3.Please keep the battery clean before charging. Batteries should be stored in a clean, dry, cool place, away from heat and metal objects. 4.Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. 5.Always remove battery pack from your tool when you are assembling parts, making adjustments,cleaning,or when not being used for an extended time. For transport safety, our batteries are not fully charged before leaving the factory. So, once you've installed the battery, it needs to be fully charged before it can be used. Please feel free to contact us if you have any concern about this item. We will try our best to promise you an enjoyable shopping experience. Product Features ?Battery Specs?:Battery type:Lithium-ion | Capacity: 4Ah | Voltage: 12V high capacity battery with high quality cells for long-lasting performance?can help you finish your work more easily. ?Widely Compatibility??REPLACEMENT BATTERY, NOT ORIGINAL. Compatible with Dewalt 12V lithium Ion tools. E.g: DCB120, DCB121 DCB127. Compatible with Dewalt 12V Max charger: DCB100, DCB101 DCB119. ?Stability security??Premium Lithium battery cells.Battery can be recharged at any time, no memory effect. at any time without memory effect. Battery comes with protective design.Protect against over-charge, over-discharge, over-voltage, over-heating and short-circuit. it is safe and stable to use. ?Safe reliable??All products have passed strict quality inspection.Comply with FCC RoHS and CE security testing standards? you and your family can use them with confidence. ?Service guarantee??From the date of purchase, 30 days return policy, 12 months product quality service. If you have any questions, please feel free to contact us. We provide 24-hour Satisfy your customer service. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!