Triopo LE-28 4400mAh External Li-Ion Battery Pack for Speedlites Review

Further to my older review of the YongNuo SF-18 External Battery Pack for Canon Speedlites which is powered by standard Alkaline or Rechargeable AA batteries, I came across Triopo LE-28 battery pack which originally powered Triopo's TR-120 bare bulb flash units.

YongNuo SF-18 External Battery Pack for Canon Speedlites Review

YongNuo Digital is for a long time well known to strobists for their decent quality, lower priced speedlite flash units as well as their radio remote flash triggers.
Beside that, they do make some other accessories as this SF-18 External Battery Pack for Canon presented here.