Dont buy the handheld ones with the battery attached. They take like a week to fully charge. And the battery doesnt hold power. Anker or Nekteck are the models you want. Stay away from Bigblue. They take forever to charge and are heavier.
https://www.amazon.com/dp/B017GQ7OEA/ref=cm_sw_r_apan_glt_i_C9JRT3XACCFM2J7JMEAB
Well, I'll experiment with this:
https://www.amazon.com/dp/B017GQ7OEA?ref_=cm_sw_r_cp_ud_dp_NEK4Q85X2J5M0NSA7S3C