Product Review

The Efest PRO C4 is a four-bay lithium ion battery charger with adjustable outputs. This charger is compatible with 3.6V/3.7V cylindrical lithium batteries ranging in size from 10440 to 26650. Specifications: Input - AC 100V-240V 50/60Hz or DC 12V 1A Output - 4.2V +/-.05V Output Current - .5A x 4 channels or 1A x 2 channels Features: Intelligent lithium ion battery charger Digital display with LED indicator for each channel Compatible with most sizes of 3.6V/3.7V cylindrical lithium-ion batteries ranging from 10440 to 26650 Automatically detects battery power status and selects the appropriate voltage and charge mode Automatically stops when charging is complete and prevents batteries from being over-charged Features reverse polarity protection if you accidentally insert a battery the wrong way 3 year Manufacturer Warranty What's in the box: Efest PRO C4 digital battery charger Standard USA power plug User Manual Scratch and Check validation serial number