MIOPS FLEX Bolt comes with a rechargeable and replaceable battery. The battery will be charged when you connect MIOPS FLEX Bolt to a USB power source. You can use your computer USB port for this purpose.
You can power MIOPS FLEX Bolt directly from the USB port even if the battery is not attached into the device.
Warning: Using MIOPS FLEX Bolt with other type of battery and power source may harm your device.