Single external battery mods

[Frogprince]

Can anyone name/recommend some single external battery mods please.(around £30 range)
The ones l know of are -
Vaporesso armour pro
Geekvape aegis solo
Vaporesso swag
Pico 25/x
Aspire cygnet
Amd a Wismec one think it was called Sirius 80w

 

[Leni]

Asmodus Colosal
Tesla WYE
Ehpro 101
OBS Cube X
Uwell Nunchacku
Smoant Battlestar Mini
Eleaf Aster 75w
Wismec CB-80
Innokin Coolfire IV 75w TC