This compact and portable charger is compatible with multiple power sources that accept the USB input cable, which is stored in a slot on the side of the charger. It conveniently charges two batteries simultaneously. There are 2 indicator lamps display the status of the battery, the indicator lamp flashes when charging and will be constant on when charging is complete. Moreover, when the battery is about to overheat, the charger will sense and stop charging immediately. Besides that, the charger will automatically detect when the batteries are fully charged and stop charging to prevent damage to your batteries Specification: Product dimension: 80 x 58 x 25mm Input: DC 5V-2.2A (Min) Output: DC 8.4V-600mA Full Charging time: About 4.5 hours Material: ABS It fits for original Canon LP-E6, LP-E6N or LP-E6NH battery and Replacement Canon LP-E6, LP-E6N or LP-E6NH battery from third party, below are the compatible cameras for your reference: Canon EOS R / R5 / R5 Mark II / R6 / R6 Mark II / R7 Full Frame mirrorless camera Canon EOS 90D / 80D / 70D / 60D Canon EOS 6D / 6D Mark II / 7D / 7D Mark II / 5D Mark IV / 5D Mark III / 5D Mark II / 5DS / 5DS R