The r0ket can be charged via micro USB (use a USB 2.0 cable or adapter, micro USB 3.0 has a different connector) by any USB powered device
The estimated runtime is around 12 hours, a full charging cycle is around 1.5 hours
The battery indicator in the upper right LED blinks red if your battery is running low
The r0ket will automatically power itself and all m0duls down if battery level is critical low