Sony BC-U1 Battery Charger/AC Adaptor for BP-U30/U60 Lithium-Ion Battery Packs

I use a lot of LED lights and monitors camera monitors that use the Sony battery l-series batteries and the npf 970 s is a very common model this is an official Sony but there are a lot of knock-offs problem is I need to use a lot of these if I'm on a long shoot so what i did was i purchased the sony's official dual l series chargers which also has a feature that you can use as a it has a dummy battery that you can power like an AC there's al it's very versatile but in my usage it took takes a while to charge these 970 s sometimes overnight so I can only charge two at a time if I'm on a long travel shoot and I wanted to charge more batteries and faster so what I did was I rented this guy right here this is just the Dogon camera pouch I don't even know what brand is it Dogen there you go you see that Dogon this one is called a turbo charger jokin engineering fuel gauge technology there's