Popeye Posted October 15, 2015 Author Report Share Posted October 15, 2015 I know there are a few people waiting for news on a good one that fits, but i can confirm that the Turnigy nano tech 1300mah DOES fit and it is a massive upgrade.Useable battery life has doubled for me, even at higher wattages.The exact battery is the 25-50c battery, the higher one will not fit.I didn't like how tight the connectors were (fitment wise, inside the box) so i got rid and soldered the battery straight to the board.http://www.hobbyking.com/hobbyking/store/__11903__Turnigy_nano_tech_1300mah_3S_25_50C_Lipo_Pack.htmlThis one does fit, but you will need to swap the connector over, or solder it to the board. Link to comment Share on other sites More sharing options...
dwcraig1 Posted October 27, 2015 Report Share Posted October 27, 2015 Popeye said:I know there are a few people waiting for news on a good one that fits, but i can confirm that the Turnigy nano tech 1300mah DOES fit and it is a massive upgrade.Useable battery life has doubled for me, even at higher wattages.The exact battery is the 25-50c battery, the higher one will not fit.I didn't like how tight the connectors were (fitment wise, inside the box) so i got rid and soldered the battery straight to the board.http://www.hobbyking.com/hobbyking/store/__11903__Turnigy_nano_tech_1300mah_3S_25_50C_Lipo_Pack.htmlThis one does fit, but you will need to swap the connector over, or solder it to the board.I just ordered one, my luck with mine finally ran out. Still works but #3 cell is out of whack.Thanks for the info. Link to comment Share on other sites More sharing options...
dwcraig1 Posted October 28, 2015 Report Share Posted October 28, 2015 So here is a screen shot of why I'm replacing the battery although I'm not exactly certain that the battery is the problem. I disassembled it this morning and found some kind of crude built up on #3 solder joint of the balance connector. I probably should have re-soldered it after I cleaned it off but it looked good. I'll find out when I replace the battery I guess. I tried charging it with the rc balance charger that came with my Hotcig DX200 and all it did was overcharge the two good cell to 4.28 volts. Since failure charging with little RC charger I'm pretty sure now that the battery is at fault here. Link to comment Share on other sites More sharing options...
Mad Scientist Posted October 28, 2015 Report Share Posted October 28, 2015 dwcraig1 said:So here is a screen shot of why I'm replacing the battery although I'm not exactly certain that the battery is the problem. I disassembled it this morning and found some kind of crude built up on #3 solder joint of the balance connector. I probably should have re-soldered it after I cleaned it off but it looked good. I'll find out when I replace the battery I guess. I tried charging it with the rc balance charger that came with my Hotcig DX200 and all it did was overcharge the two good cell to 4.28 volts. Since failure charging with little RC charger I'm pretty sure now that the battery is at fault here. For diagnosis, consider measuring the voltage actually on the balance connector pads versus what device manager reports. If they differ, it's the board; if they don't, it's the battery or wiring. Link to comment Share on other sites More sharing options...
dwcraig1 Posted October 28, 2015 Report Share Posted October 28, 2015 Well the pack voltage is down by the same amount as cell 3 when charging is completed. Link to comment Share on other sites More sharing options...
dwcraig1 Posted October 28, 2015 Report Share Posted October 28, 2015 After installing the new battery I will do that if it's still out of whack. Link to comment Share on other sites More sharing options...
dwcraig1 Posted October 28, 2015 Report Share Posted October 28, 2015 I removed the battery and measured the pack voltage with my meter just in case the pack voltage was the sum of the cell readings, it was low.12.2 volts. Link to comment Share on other sites More sharing options...
dwcraig1 Posted November 9, 2015 Report Share Posted November 9, 2015 So after installing the new battery all was well.....at first anyway. After leaving the mod sit unused for a couple of days cell #3 is at 3.90 volts while 1 & 2 are at 4.20 volts (after charging). I'm really not sure but I'd guess that the board is draining down #3 when not in use. I see quite a few posts with a similar problem. Anyone got some ideas? Link to comment Share on other sites More sharing options...
dwcraig1 Posted November 10, 2015 Report Share Posted November 10, 2015 So I gave my first "bad" battery to my friend to balance it with a real RC charger, when I get that back I'll swap out the 2nd battery and do the same with it. I'm pretty sure the batteries are OK. Link to comment Share on other sites More sharing options...
zdogefizzle Posted December 12, 2015 Report Share Posted December 12, 2015 any advice on taking apart the battery on the DX?just ordered the 25-50c 1300 pack but i have no clue how to open the battery portion. just looking for some tips. i dont see a screw to disassemble unless its under the sticker. Link to comment Share on other sites More sharing options...
Popeye Posted December 12, 2015 Author Report Share Posted December 12, 2015 Got any photos? Im not familiar with the dx Link to comment Share on other sites More sharing options...
zdogefizzle Posted December 13, 2015 Report Share Posted December 13, 2015 yeah its the hotcig. for some reason i was thinking it was the same manufacture. but i might be wrong now that i look into it lol Link to comment Share on other sites More sharing options...
dwcraig1 Posted December 13, 2015 Report Share Posted December 13, 2015 ^^^ if your thinking about using this battery it won't fit.http://www.hobbyking.com/hobbyking/store/__8936__Turnigy_1300mAh_3S_25C_Lipo_Pack.htmlThe battery that Evolv sells is the correct dimensions. $19.99-FullyMax FB900HP-3S You can find it else where for less. Link to comment Share on other sites More sharing options...
zdogefizzle Posted December 14, 2015 Report Share Posted December 14, 2015 Any advice on disassembling the battery? I'll put the 900 in it. I can't find a screw or anything to start with. Link to comment Share on other sites More sharing options...
dwcraig1 Posted December 14, 2015 Report Share Posted December 14, 2015 There is a small torx head screw under the label just above the two banana plug holes just below the " + and -", the cover just slips out from there, just a tab in a slot at the top.https://www.fasttech.com/forums/3372100/t/1845693/got-it-yet/1 (post #16) Link to comment Share on other sites More sharing options...
zdogefizzle Posted December 18, 2015 Report Share Posted December 18, 2015 Dude that helps a lot! Awesome that hot fire isn't very good I bet lol. I appreciate the advice! Link to comment Share on other sites More sharing options...
dwcraig1 Posted December 18, 2015 Report Share Posted December 18, 2015 I have two of the hotcig dx200 batteries, the one that came with the mod and an extra from Fastech. Both arrived healthy. no complaints, I have an Opus also to compare to. just saying as there were a bunch of bad Hotcig ones. Link to comment Share on other sites More sharing options...
zdogefizzle Posted December 18, 2015 Report Share Posted December 18, 2015 Mine didn't come dead. But it was severely imbalanced. After a few cycles it seems to be ok. I've got nothing to compare it to but I feel it could be better. I should probably compare my battery analysis to others. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now