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  1. Yesterday
  2. EVSupport
    What are the fault codes. Either on the dash, flashes on the sevcon controller , or downladed from the sevcon.
  3. Frank Mac67
    Frank Mac67 joined the community
  4. Redfox
    Thanks, I’ll contact them
  5. ScottKN
    I will definitely report back once they figure it out. Doubt it is the batteries. I could hear the batteries trying to discharge, but no power to the motor. They said they were able to get it working again temporarily, but then again stopped working.
  6. GNFO
    That's too bad. For our benefit would you mind sharing the details? Doesn't seem like it would be the batteries and there aren't really a lot of components to check, so a month seems like a long time for the dealer to troubleshoot.
  7. EVSupport
    The 12v is not a take off / partial pack bleed off. Its created from the 48V Pack by the DC to DC converter (Silver finned block under the center of the seat in front of the Sevcon motor controller. The DC to DC runs all the while . Ie not turned on by the ign key or the charger.
  8. GNFO
    EVSupport has a better idea of the specifics, but your second sentence is essentially correct. There is a 12V system and a 48V system. How you get to 48V doesn't matter: 8 Discover lead batteries in series, two 24V batteries in series, or even just a single 48V lithium battery, it doesn't matter from just the standpoint of getting to 48V. (Total storage and available continuous amps for maximum motor power is a different matter of course). That 48V is used for the motor controller and runs the DC-DC converter for topping off the 12V battery. As I mentioned, I didn't change my 12V battery when I converted, and that was two years ago. I'll probably check the 12V battery health like EVSupport mentions, but everything has been working just fine so far.
  9. GNFO
    Getting into the area of specific battery BMS here, so probably need to go off of info from someone who has used LiTime or even better if the manufacturer has provided that information on their website or answered your questions. Although my ReLion batteries came with a charger as part of the bundle, I haven't used it since it's an external golf cart connection charger and they had also provided me with a DeltaQ algorithm built specifically for their batteries. Also, I knew that the CANbus connections between the batteries specifically enabled communication between the individual battery BMSs for auto balancing. The batteries also came with over 50% charge on them. I don't see anything on the LiTime website description about balancing over Bluetooth, but I did see that they have a new version with CAN connections although it still doesn't mention balancing. I would specifically ask them the question.
  10. chris murray
    so what your saying is the 12 volt battery is just daisy chained off of 2 of the 6 volts installed on the cart? swapping over to lithium the batteries are 48 volt each using 4 of them to make up enough AH to make the carts run time. and/or that dc-dc converter u speak of is 48v-12 and running lithium connected exactly the same way wont make a difference to the 12 volt atv battery.
  11. Esther Lee
    Esther Lee joined the community
  12. Gorj started following Battery Life
  13. Gorj
    I am into five years of ownership of my electric side by side and I am noticing some deterioration of power. Although I measured the voltage at over 49 volts, I believe the batteries are beginning to fail. I charge them about twice a week. Last year the charger went out and I replaced it with a 48 volt golf cart charger. What has been your experience with the batteries?
  14. ScottKN
    I did buy the charger because they won’t turn on unless charged; however, I did not try to charge on the DeltaQ charger first to see if that would work. I charged them all individually first and then connected them so they could balance. FYI - my E1 worked well for a few months after the conversion, but then stopped working. It’s currently at a Hisun certified dealer for the past month trying to figure out what is wrong. I can update if they figure it out.
  15. Last week
  16. Redfox
    Do I need to buy LiTime lithium 48v 18a battery charger to charge each of the 4 batteries individually when I first receive them? Or could I just hook them in parallel and charge them with the correct algorithm in the DeltaQ charger
  17. bms stallion owner
    bms stallion owner joined the community
  18. bms stallion owner
    hello, my BMS Stallion 600 is having accleration issues. the manual fails to show final gear oil diagrams very well... I have the owners manual and suspect issue is associated to transmission , I want to check the level of the gearoil. I located a drain plug (but not the fill plug nor dipstick). It will run - but wont exceede 2mph. Troubleshooting suggestions or comprehensive manual suggestions? Thanks
  19. Mechanic202
    Mechanic202 joined the community
  20. chris murray
    well I need to swap the 8 6 volts over to 4 lithium's and swap the charger with the new (comes with the batteries) lithium charger. I guess I could re-program the charger in it but why not use the new one since its included. The 12 volt battery that's in it seems fine and working so I dont think there is a need to change it at this time.
  21. Matthew Smith
    Matthew Smith joined the community
  22. Redfox
    That’s better mileage than I thought it would be. I’m fixing to pull the trigger. Yesterday the 4 pack 48V 30ah Bluetooth was $370.00 each. Might not be the best but it’s certainly got to be better than what I have now. Thanks again for all your help
  23. EVSupport
    The 12v provides the dash power and the std 12v stuff. The Main motor controller isnt supplied by 12v. Its fed with Pack voltage (48V) that pre charges the Sevcon Motor controller internal capacitors and then the Sevcon Turns on the main Contactor under the seat when the caps are charged. Hence the slight delay from turning the ign key (thats at a pack voltage) until you hear the clonk from the main contactor. The Pack voltage that is seen by the Delta Q charger is also fed to the Sevcon during charge to disable the drive if charging. (green wire to the charger ).
  24. GNFO
    Just like EV cars, there are 12v architecture devices (like lighting) and controllers. The 12v battery provides the startup power to the controllers, and like EVSupport said it doesn't have to be very big since the main batteries top it up through a DC to DC converter.
  25. EVSupport
    Its a std motorcycle battery. Markings of the one used will be on its side. but UK ones use a ntx20l-bx make will vary the number. They are constantly topped up from the constantly running DC to DC converter. (even when ign off the DC to DC runs.
  26. chris murray started following Hisun Sector e1 Battery replacement: any tips?
  27. chris murray
    guys what is the 12 volt battery for on this unit and how does it charge? Im replacing the 8 6s with 4 lithiums but wondering about the 12 volt battery
  28. chris murray
    chris murray joined the community
  29. GNFO
    No problem. I don't know how far you go for the hunting, but if you look at the very first post I did in this thread I did do one longer trip beyond my property. It was a spring day with two people, and the whole trip was in 4wd low over pretty bumpy and hilly terrain. I don't think I went over 5 mph due to the landscape. I estimate I would have had a range of about 12 miles under those conditions with my four batteries/120ah. Anything flatter and smoother should yield much better range, maybe even double or more if you can use medium or high 2wd. The rest of my usage has been just on our wooded 5 acres - fairly decent slope and hauling full loads of firewood, sometimes also towing a 500lb log splitter at the same time. Never used more than 30% of my battery during the day. I would recommend adding a digital readout gauge so you have a precise idea how much charge you have. Maybe the Bluetooth part of those LiTime batteries can take the place of that, but having the readout is nice.
  30. Christopher Taylor
    Christopher Taylor changed their profile photo
  31. David Melancon
    David Melancon changed their profile photo
  32. Redfox
    We just use the buggy to hunt off of, plant green fields, fill feeders and haul game out of the woods. I can plug in every night if needed. I really appreciate your advice. I do a lot of reading but my 73 year old brain doesn’t comprehend what I’m reading sometimes. Thanks again for the information. Have a blessed day brother
  33. clint501
    clint501 changed their profile photo
  34. GNFO
    That's the way I read the specs anyway. It still seems like most batteries are only rated to 100A continuous even when they're bigger. That's why I had to wait a long time until the ReLion GC2 form factor batteries came out, so that four of them in parallel let me get up to the 400A max of the UTV motor. They were the only game in town at the time and were pretty expensive, but at least their BMS and the CANbus connections between them are first rate. The 320A combined total of those LiTime batteries is pretty good in most cases and they are considerably less expensive. And as I said, in both our cases we can add additional batteries if needed. For me, I haven't ever run my batteries below 70%, but I only run on my property and I can plug in every night.
  35. Alien10
    Joe, I'm in Michigan and using their "find a dealer" the only facilities I could find are either in Canada or in Ohio. Made me curious on whether anyone has found any near their locations. Have a good week.
  36. Redfox
    Thank you for your advice! So 4 30ah would give a shorter run time but with more power?
  37. Joe Breaux
    Sadly, we only have 1 independent shop in my state that will work on anything Hisun....bout 50 miles from me..cash only.
  38. GNFO
    Depends on your situation. Total price seems about the same, but as I read the specs, it seems like the two 100ah batteries will only give you ~200A continuous output, whereas the four 30ah batteries will together provide ~320A continuous output. The four GC2 form factor batteries will also be easier to mount, since they are the same size as the existing Discover batteries (although you might have to alter the hold down plates if the tops have different protrusions). The 100ah batteries would require some kind of modifications to make them fit. I'm sure they will, but it will take some working out to do. The only advantage to the two 100ah batteries is they will provide more total power storage, so if your biggest requirement is total range on relatively flat ground, go with them. Otherwise I think the GC2s are the way to go despite the lower power storage. If you decide you need more range, you can always add up to 4 additional batteries (for a cost of course).
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