Get this PocketWizard PW-AC-USB, normally $24.95, on sale at $21.21 for a total savings of $3.74.
The PocketWizard PW-AC-USB Plug-In AC Adapter is suitable for continuous use of PocketWizard MultiMAX radios without the need of batteries. The PW-AC-USB comes standard with USA style AC plug. This AC adapter connects to the radio's USB port. For use with FCC and CE MultiMAX radios with 4-pin ACC power port only.