⭐【 100% BATTERY COMPATIBLITY 】—— Compatible with CRAFTSMAN 20V max V20 lithium-ion battery charger CMCB104, CMCB124, CMCB100, CMCB102, CMCB101. Charges all CRAFTSMAN V20 Lithium Battery CMCB204, CMCB202, CMCB201, CMCB205, CMCB209. (NOT FIT FOR BOLT-ON & DIEHARD SERIED).⭐【 FAST CHARGER WITH DUAL USB PORTS】—— Advanced charging technology, universal 110V-220V voltage input. Charges V12/V20 compact batteries in 75 minutes or less for jobsite efficiency. 2 USB Ports for charge for your electronic devices, such as mobile phone, usb fan etc..⭐【 ADVANCED HEAT DISSIPATION 】—— Bulit-in cooling system with vents on the three sides circulate air across the batteries to cool down the heat during charging. and extends batteries cycling times for long lifespan..⭐【 LED INDICATOR TO MONITOR BATTERY STATUS 】 —— CMCB104 Battery Charger for CRAFTSMAN with indicator lights to show the battery status. Built-in charger diagnostic program checks batteries with every charge to optimizes the battery life and performance..⭐【 SAFETY ASSURANCE WITH CE FCC CERTIFIED 】—— CMCB104 rapid charger comply with FCC RoHS and CE security testing standards. Advanced technical supports to protect against over-charge, short-circuit, over-heat, over-load and low-voltage. Any question with the CMCB104 Battery Charger , please feel free to contact us. Please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller".