Richard Topham Jr Posted March 5, 2012 Report Share Posted March 5, 2012 Professional Sound Services has put together a full Battery Life Expectancy Chart for your information. Keep this handy! CLICK BELOW FOR LARGER AND TO PRINT Quote Link to comment Share on other sites More sharing options...
berniebeaudry Posted March 5, 2012 Report Share Posted March 5, 2012 Professional Sound Services has put together a full Battery Life Expectancy Chart for your information. Keep this handy! CLICK BELOW FOR LARGER AND TO PRINT Thanks Rich! Good info to have! Quote Link to comment Share on other sites More sharing options...
stacysound Posted March 5, 2012 Report Share Posted March 5, 2012 This is great. Is the runtime on UCR411 really 20 hrs on a lithium (9V I assume)? Quote Link to comment Share on other sites More sharing options...
Richard Topham Jr Posted March 5, 2012 Author Report Share Posted March 5, 2012 Yes Stacy, according to Lectrosonics, the runtime on a 9V Lithium is 20hrs in the UCR411. Quote Link to comment Share on other sites More sharing options...
Philip Perkins Posted March 5, 2012 Report Share Posted March 5, 2012 The Alk life in a 302 seems way off to me--I have never gotten anything like 12 hrs w/ that type of battery, on either of mine. phil p Quote Link to comment Share on other sites More sharing options...
stacysound Posted March 5, 2012 Report Share Posted March 5, 2012 How about adding iPower 9V runtimes? Quote Link to comment Share on other sites More sharing options...
Michael Wynne Posted March 5, 2012 Report Share Posted March 5, 2012 20 hrs on a 9v lithium on a ucr411? Really... Quote Link to comment Share on other sites More sharing options...
jason porter Posted March 5, 2012 Report Share Posted March 5, 2012 2 x Lithium 9V 20 hrs on a 9v lithium on a ucr411? Really... Quote Link to comment Share on other sites More sharing options...
VM Posted March 5, 2012 Report Share Posted March 5, 2012 I am very sceptical about this chart Zoom H4n : 4,5 hours... Impossible with mine, even without plug my 2 Schoeps. SD302, SD442...In this case too it depends on how mic power you have.... and how much power the mics need. Quote Link to comment Share on other sites More sharing options...
benr Posted March 5, 2012 Report Share Posted March 5, 2012 Yea, they didnt really include any info as to what was running and what wasnt on any of the listed components. Id say this chart is pretty worthless and youd probably get a better idea of battery run time from the manufactures specs. Quote Link to comment Share on other sites More sharing options...
soundslikejustin Posted March 5, 2012 Report Share Posted March 5, 2012 This list IS a compilation of manufacturer specs. Although, the TRX900 is listed to run 5 hours of an alkaline AA...and that transmitter takes CR123a batteries... Quote Link to comment Share on other sites More sharing options...
studiomprd Posted March 5, 2012 Report Share Posted March 5, 2012 " list IS a compilation of manufacturer specs " useful for guidance, but as always...YMMV Quote Link to comment Share on other sites More sharing options...
MatthewFreedAudio Posted March 6, 2012 Report Share Posted March 6, 2012 A UCR411 gets maybe 8 hours off lithium 9V batteries. Definitely not 20 hours. Better than alkaline but still not 20 hours. www.matthewfreed.com Production Sound Mixing for TV, Films, and Commercials Quote Link to comment Share on other sites More sharing options...
Marc Wielage Posted March 9, 2012 Report Share Posted March 9, 2012 I don't think I've pushed it this far, but that is in the Lectro UCR411 manual: 9V alkaline - 6 to 8 hours continuous, up to 12 hours intermittent 9V lithium - Up to 20 hours (continuous and intermittent usage are the same) The usage is rated at 180mA & 12VDC, so it looks about right. Real-world, several years ago, I've seen them hit 12 hours with no problem, but that included numerous breaks and lunch (without a BDS). Quote Link to comment Share on other sites More sharing options...
johnpaul215 Posted March 9, 2012 Report Share Posted March 9, 2012 It may be based on optimistic specs from manufacturers, but it's still really useful. My personal kit is all rechargeables now, and I was issued a kit a few weeks ago, then asked how many batteries I needed for 2 weeks on the road. I sat there with my phone looking up the same info that is listed in this one chart. This would have been pretty useful. I printed this out and put it in the Pelican case with the kit. When i was using disposables, I really only used lithiums when I really needed the runtime (waterproofing a transmitter for the day), so I didn't have as much experience with them. Quote Link to comment Share on other sites More sharing options...
Geoff Tirrell Posted March 10, 2012 Report Share Posted March 10, 2012 I am very sceptical about this chart Zoom H4n : 4,5 hours... Impossible with mine, even without plug my 2 Schoeps. SD302, SD442...In this case too it depends on how mic power you have.... and how much power the mics need. I thought the same. I might get 4 hrs 5 If I don't care about the H4n running dead if I am feeding through a mixer that is powering the mics. As for the 302 no way, I mean there is a big factor in how much phantom power is being drawn. As well as the display brightness but even then maby 5 hrs no way 12 is going to happen, unless I have it hooked into my BDS and then the np1 will run it all day. On the other hand If I am running pro-cells and I get a good batch I have done a couple of 8-10 hr days on my g3 transmitters and receiver without changing or running low. Quote Link to comment Share on other sites More sharing options...
jozzafunk Posted March 12, 2012 Report Share Posted March 12, 2012 Yep - I think this is based on very optomistic manufacturers claims , everything I have on here doesn't get anything like what the chart says Quote Link to comment Share on other sites More sharing options...
Marc Wielage Posted March 12, 2012 Report Share Posted March 12, 2012 Lectro's published battery life on the SMV/SMQV transmitters is pretty close to what I've experienced with the SMa's @100mW: Alkaline Lithium NiMh Battery Life: SMV 50 mW (1AA): 2 hrs 7.25 hrs 5 hrs SMV 100 mW (1AA): 1.5 hrs 5.5 hrs 4 hrs SMV 250 mW (1AA): N/R* 3 hrs 2.25 hrs SMQV 50 mW (2AA): 6 hrs 14.5 hrs 8.5 hrs SMQV 100 mW (2AA): 5.5 hrs 14 hrs 8.5 hrs SMQV 250 mW (2AA): 1.75 hrs 7.5 hrs 5 hrs I'm personally far more concerned with transmitter life than receivers, since this is a much greater issue in terms of battery replacement and inconvenience, plus the receivers are almost always hooked up to a big lead acid (on the cart) or a BDS NP1 in the bag. I can typically get at least 8 hours out of one AA lithium, with judicious use of the sleep mode. On good days (with lots of lighting set ups), 10-11 hours is possible. Continuous shooting, no way. Quote Link to comment Share on other sites More sharing options...
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