Not exactly a battery bank belt, but this clip-on holster can make your ordinary power bank easier to carry.
Belt Clip Holster for ZeroLemon ToughJuice 30000mAh Portable Battery Charger and WirelessJuice 26800mAh 60W Battery Pack and SolarJuice 26800mAh Power Bank – Black
Buy Belt Clip Holster for ZeroLemon ToughJuice 30000mAh Portable Battery Charger and WirelessJuice 26800mAh 60W Battery Pack and SolarJuice 26800mAh Power Bank – Black: Portable Power Banks - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
There was also this. Don’t know what happened to it, though.
There was a Kickstarter campaign a while back for a smart belt that can charge phones.
I would choose the belt charger over any of these travel power banks.
I like the idea of a portable power bank, but is it safe to have one on your body when such battery banks are ticking time bombs?
You could also DIY one at home like this guy.
Not exactly a battery bank belt, but this clip-on holster can make your ordinary power bank easier to carry.
I don’t think power banks can get any more portable than this!
Here’s a must have backpack when you are hiking in remote areas
These solar backpacks are lighting up homes in rural areas with no electricity, allowing students to study comfortably https://www.youtube.com/watch?v=5uSkhZtc_Y0
A cool and excellent solution for charging your devices when travelling.