I use V-Mount Li-Ion batts. and chargers from Empire Scientific. The have 100 watt hour(6900mAh) V-mount batts. at $150ea. and 8800mAh for around $225. 2-Channel chargers/DC supplys are $300. These are Japanese cells and have performed well in a rental house environment.
No, Panasonic HDX900, Sony DSR-450, Panasonic BT-LH1700, BT-LH80, TV Logic LVM-071W. Bescor puts their badge on these batts, chargers and raises the price.