Bescor 7.2 Amp Shoulder Battery Pack with Cigarette Socket & 4 Pin XLR Outputs, with Charger.

The HP-3, MM-7 & MM-9 use a replaceable fuse and have belt panels sewn on their rear side so they can be waist worn.
XLR models include a 6' cable of 14 gauge superflex wire with an XLR power connector.