Switronix Power Tap Charger for PB70, PowerBase 70 Battery Pack
Switronix PB70C PowerBase is a compact battery charger. It charges the PowerBase 70 external DSLR Battery Pack and other select batteries through the powertap port on the battery.  Fully charges the battery in 4-5 hours. The charger has LED indication on the front which changes from RED to Green when fully charged.  For PB70/NP-L60/EX-L96/XPL90.