Max Hirtenstein Posted July 9, 2012 Report Share Posted July 9, 2012 So I recently purchased a Hawk-Woods battery adaptor that uses 2 Sony L-Series camcorder batteries (which are 3700 mAh at 7.2 V each). Unless I'm mistaken, this produces 14.4 V just like an NP-1 does. The problem- my 302 doesn't have a 14V Li-ion battery reference, or at least it doesn't list it in the manual, and the battery check doesn't show accurate battery life. Which reference settings do you use to get an accurate reading? Full range? The funny thing is that the 552 has a 14V Li-ion reference setting and therefore shows the correct battery life. Cheers as always. Quote Link to comment Share on other sites More sharing options...
Johnny Karlsson Posted July 9, 2012 Report Share Posted July 9, 2012 I would suggest setting 1: 12 V NiCad, NiMH, Li, etc. Hi = 13v, Flash point = 11.5., Low = 11v There is a setting for Hi=14v, but that is for 12 V Lead Acid batteries, and I believe they behave differently in terms of how they drain. Quote Link to comment Share on other sites More sharing options...
Max Hirtenstein Posted July 9, 2012 Author Report Share Posted July 9, 2012 Hey Johnny- That's originally what I set it to, though it shows battery levels much higher than actual. For the 552, the 14v Li-ion reference is Hi = 16.3 Flash = 13.5 Low = 12.5 Why would they leave this out of the 302? Quote Link to comment Share on other sites More sharing options...
Johnny Karlsson Posted July 9, 2012 Report Share Posted July 9, 2012 Not sure Max, perhaps someone else could chime in? (or just <hat> I use the IDX NP-L7s with this setting, and they are rated 14.8 Volts, 4.8Ah. Interesting to me is that the Lectro receivers read the voltage at well over 16v when fully charged and when the battery is getting low it's close to 14v. In practice, I'm thinking it doesn't really matter, as long as you know when the batteries are getting low and need to be replaced. Simply leave the gear on for a day when you are not working and time how long they last and make a note of what the reading on the 302 meter is right before it dies. Quote Link to comment Share on other sites More sharing options...
Max Hirtenstein Posted July 9, 2012 Author Report Share Posted July 9, 2012 thanks johnny, hopefully others that run a 302 and np-1 will chime in before i <hat>. Quote Link to comment Share on other sites More sharing options...
OmahaAudio Posted July 10, 2012 Report Share Posted July 10, 2012 So I recently purchased a Hawk-Woods battery adaptor that uses 2 Sony L-Series camcorder batteries (which are 3700 mAh at 7.2 V each). Unless I'm mistaken, this produces 14.4 V just like an NP-1 does. Unless, (Love you Max) you read the HawkWoods website that says it's a regulated 12V output. Quote Link to comment Share on other sites More sharing options...
Max Hirtenstein Posted July 10, 2012 Author Report Share Posted July 10, 2012 Unless, (Love you Max) you read the HawkWoods website that says it's a regulated 12V output. The 4 top outputs are 12V regulated, but I'm using the attached lead which is full 14.4V, I think... edit: argh, you may be right Omaha, thanks. Quote Link to comment Share on other sites More sharing options...
OmahaAudio Posted July 10, 2012 Report Share Posted July 10, 2012 The 4 top outputs are 12V regulated, but I'm using the attached lead which is full 14.4V, I think... edit: argh, you may be right Omaha, thanks. What sort of life (and with what gear) are you getting with that HW unit and a couple of NP-F970s? Quote Link to comment Share on other sites More sharing options...
Max Hirtenstein Posted July 10, 2012 Author Report Share Posted July 10, 2012 Well I'm powering a 302 and a DR680 with Lenmar np-f750 batteries which are very inexpensive. After 6 hours (2 inputs phantom), I haven't even lost a single LED of charge on the 302. That's why I was confused about battery meter reference in the first place. Quote Link to comment Share on other sites More sharing options...
studiomprd Posted July 10, 2012 Report Share Posted July 10, 2012 " Why would they leave this out of the 302? " <cap> Quote Link to comment Share on other sites More sharing options...
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