« Reply #3 on: October 16, 2009, 08:46:50 PM »
The capacity of the stock battery is around 1300-1400 mAh I believe. I got two extended capacity batts, one 1800 and one 3900. Using the 1800, I shot around 90 minutes (with LCD screen on, no EVF) and it's still reading that there's 79 minutes left. (The camera has this handy feature where it tells you how much battery time you have remaining.) I've read that the super-high capacity one is good for at least 7-8 hrs of recording. A bit of overkill, plus it sticks out a good 2 inches from the back of the camcorder but it might come in handy someday.
I'm happy with the mid-capacity battery... good for 3 hours of filming and is exactly the same size as the stock battery.
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Mics: Schoeps MK4, DPA 4061, AT953, Shure MV88
Preamps/BB: Nbox, tinybox, ST-9100, CA-UGLY, SP-SPSB-10
Recorders: In use--Teenage Engineering TX6, Tascam DR-2d, Sony PCM-A10, Zoom L-20R; collecting dust--Sony M10, Ediirol R-09, Zoom H4n, Zoom H6, Cymatic LR16
Video: In use--Panasonic VX981, Panasonic ZS100, GoPro Hero 10/11; collecting dust--Sony HDR-CX520V, Sony HX9V, Panasonic ZS3/ZS7