Any experience with Li-HV batteries?

Posted by Cala on July 31, 2016 at 11:42am

Anyone test this batteries?  http://www.hobbyking.com/hobbyking/store/__84097__Multistar_LiHV_High_Capacity_5200Mah_3S_Multi_Rotor_Lipo_Pack.html

comparing with Multistar Lipo ones?  http://www.hobbyking.com/hobbyking/store/__62884__MultiStar_High_Capacity_3S_5200mAh_Multi_Rotor_Lipo_Pack.html

Is any risk with 12V video and the FController power module?

Flight time?

Cycles?

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Replies

  • MR60
    Forrest Frantz August 1, 2016 at 6:30am

    Have 2 5.2 Ah 6S Multistar LiHV 10C. Weight 625 grams for  theoretical 190 watts/gram energy density (versus typical LiPo 150ish LiPo and LiHV 40ish C). Have not tested for actual usable capacity or charge cycles yet. Won't have data for a few months.

  • Cala August 1, 2016 at 5:56am

    Thank's Fnoop: I have Lipo green too and they are nice, now I have to change horrible yellow Zippyes and not shure if Lihv give me any advantage  with Lipo MS; I have a LIhv charger and think that Hyperion one can charge them too (if I find how to ship here, HK don't ship by airplane anymore :( )

  • Fnoop August 1, 2016 at 2:05am

    I bought  a small quad (360mm) recently and two 3s batteries to go with it:

     - 1800mah gens tattu (164g)

     - 3000mah green multistar lihv (191g).  

    I don't have a lihv charger so I charge the multistar as normal, and I get comparable or possibly less flight time than I do with the 1800mah.  I bought the lihv anyway as it was so light for it's supposed size, but unless you magically get lots more power from the extra voltage then it's a waste of time.  I've used lots of green multistar 4s batteries for larger 650 quads and they're brilliant.

  • Tom August 1, 2016 at 12:07am

    buck converter

  • Cala July 31, 2016 at 1:34pm

    Khoa, thank's for the answer and trick, I have all 12v cameras.

  • Khoa Vu July 31, 2016 at 1:10pm

    I don't know about HobbyKing ones. ThunderPower has a few HV lipos as well that over voltage safely, haven't heard bad reviews on those. I'm running on their ProLites, which were the precursor to the official HighVoltage ones they release about a few months ago and they've survived hours of flying with no discharge or cycle issues.  

    I do have a trick for the video, I put all my FPV gear on a separate 2s 1aH battery when I don't trust my power supplies. ImmersionRC does sell a 5v to 12 volt power converter units if you'd like those, right here, I think you plug them into the 5v out on the transmitter and it cleans it up for the rest of the FPV setup. http://www.immersionrc.com/fpv-products/5v-12v-stepup/

    You can probably also build those with a little soldering and a Sparkfun kit somewhere. 

    Good luck!

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