BLF topic but must click on charger pic through BLF for discount, Member is Fin17, coupon post date 10/4/18, item is Liitokala Lii-202: GearBEST's Sale . Rovyvon A5 $15.99 . Convoy S21 $15.99
Code is still working $5.99: https://www.gearbest.com/chargers/pp_424662.html?lkid=10940189
Not sure if it covers all the specs you want, but check it out.
I have the Liitokala Lii-500 and it has been great.