Robert Putley 1 Posted February 25, 2023 Share Posted February 25, 2023 I have a Spektrum iX12 transmitter, in which the battery has failed...only 6 months old. The pack is dated from 2017!!! Anyway, I have een waiting months for a replacement, so I decided to make up my own pack. Purchased three 3000mah Li-ion cells which are wired up in parallel. Now the pack from the TX has the positive and negative wires wired in to a small PC board. I would like to know the purpose of this. Any ideas? Quote Link to comment Share on other sites More sharing options...
BackinBlack Posted February 25, 2023 Share Posted February 25, 2023 It's for battery protection. Controls charge and discharge current. Without it you run the risk of the iX12 onboard charger overcharging the cells. It does appear that all Spektrum iX12 batteries have the 2017 date on irrespective of when they were made/sold. This data sheet might help: RS 7.8Ah LiPo Battery. This battery should fit the iX12. Quote Link to comment Share on other sites More sharing options...
Trevor Crook Posted February 26, 2023 Share Posted February 26, 2023 Robert, out of interest, is the replacement battery being provided under warranty? Quote Link to comment Share on other sites More sharing options...
Robert Putley 1 Posted February 26, 2023 Author Share Posted February 26, 2023 49 minutes ago, Trevor Crook said: Robert, out of interest, is the replacement battery being provided under warranty? No, unfortunately not. I have just soldered up a pack of 3 x 3000mah cells wired in parrallel. No PC board so wired in a Futaba plug for fast charging with one of my fast chargers. I have been waiting months for a replacement, so the above was my solution. 50% Increase in capacity, for less.cost. Quote Link to comment Share on other sites More sharing options...
Trevor Crook Posted February 27, 2023 Share Posted February 27, 2023 I thought you'd get a year's warranty on the whole transmitter, you even get 2 years from Als Hobbies. They list genuine replacement batteries as "available to order", but who knows how long that will take! Quote Link to comment Share on other sites More sharing options...
Shaun Walsh Posted February 27, 2023 Share Posted February 27, 2023 In stock at wheelspin models Quote Link to comment Share on other sites More sharing options...
Ingrid Lunau 1 Posted February 27, 2023 Share Posted February 27, 2023 Thanks to all Quote Link to comment Share on other sites More sharing options...
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