About this item [Battery Features] Rechargable | Battery Type: Lithium ion | Voltage:12V | Bigger Capacity:3.0Ah/3000mAh.Replacement for DEWELT 12v battery model. Powers entire line of 12-volt tools,allowing users to run multiple tools off of the same battery pack. [High Quality Battery] High capacity battery has 35% more run-time than standard batteries Easy to use & handle,high quality material & durable. Our batteries via FCC,ROHS,CE certified,exported North America & European areas. [Widely Compatible] Fits all current model 12V tools. E.g:DCB120,DCB121 & DCB127.Compatible with dewelt 12V Max charger:DCB100,DCB101 & DCB119 [No Memory Effect, Battery Storage] Can be charged or discharged as needed without loss of capacity. built-in multi-protection systemIncorporating safety features, it protects against over-charging, over-discharging, voltage spikes, excessive currents, and overheating, thereby ensuring both dependability and safety. Store it in a clean,dry,cool place away from heat and metal objects.