Jean-Louis Seguin Posted September 9, 2011 Share Posted September 9, 2011 Hi everyone, Does anyone have the specs for this? I'm making a battery pack and trying to gauge what is an appropriate capacity for the cells. Thanks. Jean-Louis Link to comment Share on other sites More sharing options...
Tom Jensen Posted September 9, 2011 Share Posted September 9, 2011 Hi everyone, Does anyone have the specs for this? I'm making a battery pack and trying to gauge what is an appropriate capacity for the cells. Thanks. Jean-Louis I probably shouldn't answer this because I can't really remember.:lol: I think it's between 2.5-3 amps. Link to comment Share on other sites More sharing options...
Jean-Louis Seguin Posted September 9, 2011 Author Share Posted September 9, 2011 That sound about right. I see that block batteries seem to be used a lot for these cameras and these are around 7Ah to 8Ah which would be a good match. Thanks. Jean-Louis Link to comment Share on other sites More sharing options...
Jean-Louis Seguin Posted September 10, 2011 Author Share Posted September 10, 2011 Another question: Can someone confirm if the camera be safely connected to a 13.2V or 14.4V battery source? Thanks. Jean-Louis Link to comment Share on other sites More sharing options...
Tom Jensen Posted September 10, 2011 Share Posted September 10, 2011 Again, my memory ain't great but I'm going to say 14.4. Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted September 12, 2011 Premium Member Share Posted September 12, 2011 Hi Jean-Louis, you and Tom seem to have worked it out already, but for what it's worth, I have specs for the BL4s - I think it's pretty similar to a BL4 in terms of current draw. The camera movement alone should draw 1.8 A. At 24/25 fps with a 400' load the draw should be 2.5 - 3 A. Of course, if you're running enough accessories from the camera accessory socket (lens light, heated eyepiece, split, mini-monitor, Preston etc) you can easily double that. I think the supply fuse is 7 amps. 12V 7Ah lead-acid block batteries were pretty standard for these cameras, but if more weight isn't an issue and there are a few accessories to power a 12Ah cell is better. If you're going with NiCads, you should be OK with 14.4V (we never had a problem). You're definitely fine with 13.2V. Link to comment Share on other sites More sharing options...
Tom Jensen Posted September 12, 2011 Share Posted September 12, 2011 Lucky guess. Link to comment Share on other sites More sharing options...
Premium Member Dom Jaeger Posted September 12, 2011 Premium Member Share Posted September 12, 2011 I think the supply fuse is 7 amps. Just to clarify, that's the in-camera accessory supply pico fuse, not the battery fuse. For the battery I'd use a 15 amp fuse - the start-up current can potentially spike above 10 amps. Link to comment Share on other sites More sharing options...
Jean-Louis Seguin Posted September 17, 2011 Author Share Posted September 17, 2011 Thanks to all that replied! Cheers, Jean-Louis Link to comment Share on other sites More sharing options...
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