Where do i find a Power Bank?

Anybody knows where i can buy a power bank for the lemfo lem 14? have searched far and wide and cannot seem to find them in the chinese stores? any ideas? thanx

This is the one I bought for mine, works perfectly.
[Smartwatch Chargers 2200mAh Charging Compartment Smart Watches With Android USB Socket Charging Line For Rogbid Rollme LEMFO|Smart Accessories| - AliExpress](https://www.aliexpress.com/item/1005001926569597.html?spm=a2g0s.12269583.0.0.62854f55voMPmh)

Price and delivery will depend on your country.