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Title: INFO - Upgrading FUTABA Tx With LiPo Post by: Devashish on January 23, 2015, 11:38:11 AM Dear All,
Just posting this for info as i thought it may be useful for others in forum. Was recently getting less flying time from my Futaba 7c Tx and wanted to upgrade the battery to lipo, but was unsure of consequences on Tx components...wrote a mail to "Futaba Tech Support" and following was the reply.. Product Development & Support Specialist Futaba Service Center USA On Wed Jan 21 03:23:10 2015, dsdube@vecv.in wrote: Dear Sir/Madam, I own one of your 2.4Ghz FAAST 7C Transmitters with the stock Ni-Cd battery. Question - Can I use a 3cell LI-PO battery for my transmitter (which has a 12.6V fully charged and 10.5V safe discharge voltage) Would the higher voltage have any adverse effect on the transmitter circuitry? My stock Ni-Cd battery {NT8IB} shows 11.1V when fully charged with the stock charger (FUTM1830) with around 10hrs of charging but voltage quickly drops to 9.8 with about an hour of transmitter usage (for flying). So I want to upgrade to something that holds the charge better .....but only if it is safe. Any help in this regards would be greatly appreciated. Best Regards, Devashish Dube India From: Krysta Hunt [mailto:futabasupport@hobbico.com] Sent: Thursday, January 22, 2015 11:16 PM To: Devashish Subhash Dube Subject: [ps-rt-01.hobbico.net #84006] Transmitter Battery Query Thank you for your recent e-mail. Futaba has no recommendations for any batteries other than the stock ones that come in their transmitters. Use of anything else can cause harm to the internal portions of your transmitter and will void any warranty it may have. The average flight times of the stock batteries is normally sufficient for any pilot during any standard day at the field. Should you have any further questions or concerns, please do not hesitate to contact us at this email address. Please be sure to copy all previous emails into any future questions. You can also reach our product support technical team at 217-398-8970, or via fax at 217-398-7721. Sincerely, Krysta Dear Admin Sir's, just posting here as it gets read by more people here (tough this is not sale topic) If it inappropriate, please do advise and move it to a appropriate Heading. Title: Re: INFO - Upgrading FUTABA Tx With LiPo Post by: rcpilotacro on January 24, 2015, 12:22:23 AM well
devashish ! you can safely uses LiFe, TxLiPo, OEM wont agree though, take my word for it For boosting your confidence, here we go www.youtube.com/watch?v=mHHzHVFNPpo (http://) Title: Re: INFO - Upgrading FUTABA Tx With LiPo Post by: Devashish on January 25, 2015, 12:06:51 PM thank you sir.i would give it a try. :)
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