The Klarus K1 is a single bay portable charger. At less the 5 inches long and weighing around 2 ounces, the K1 charger can easily fit in a pocket, purse, bag, or anywhere that is most convenient for you. The K1 features an LED display that shows the user the charging process and allows the user to choose the charging current between 0.5 Amp and 1.0 Amp.

• High definition (HD) LED Screen for displaying charging status
• Charging/discharging capabilities
• Automatically stop charging once the battery is fully charged

• Display Method: LCD
• Input Voltage: Micro USB DC 5V/1A
• USB Output: Type-A 5V/1A
• Dimensions: Length 112.5mm(4.43”) × Width 34.5mm(1.36”) ×  Height 28.5mm(1.22”)
• Weight: 46g (1.62oz) (excluding USB cable)
• Operating Temperature Range: 0℃- 40℃
• Storage Temperature Range: 0℃- 45℃
• Operating Humidity Range: 35% - 85%
• Compatible with:
• Lithium-ion (Li-ion) batteries: 21700 22650 18650 18490 18350 17670 17500 16340(RCR123A) 14500 10440
• Nickel Metal Hydride (Ni-MH) / Nickel-Cadmium (Ni-Cd) Rechargeable Batteries:  AA  AAA