CMCB104 Model Fast Charger: Input:100-240V, Output:12V/20V. It only takes about 70 minutes to fully charge for Craftsman 12V 20V Lithium Battery..Widely Compatible: Battery charger is compatible with Craftsman 20V V20 lithium battery. Such as CMCB204 CMCB202 CMCB201 CMCB209 CMCB205 CMCB100 CMCB102 CMCB101 (Only for V12/V20 Series)..More Safe: Shell hollow design. Built-in air-cooling fin to cool battery, fast heat dissipation. It can protect your battery. You can have more peace of mind when charging. You can easily enjoy happy life with your family..Smart Protection System: The 20V charger has an LED indicator that lets you clearly know the charging status of the battery. The v20 battery charger complies with FCC RoHS and CE security testing standards..Applicable Design: Overload protection delays battery life. There are 2 holes on the back of the charger for easy storage. It can save your living space.