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  1. Z

    Looking for a balancing BMS, no charge/discharge control

    http://www.rcgroups.com/forums/showthread.php?t=1863221 See this, this is a simple balancing board for RC batteries, I have one, works awesome, but you must manually turn it on as it has auto off when balanced. I am looking for a nice little board that can balance a motorcycle starter battery...
  2. Z

    I've got a 9C motor open for repair, what else?

    Long time, not post here... I've got a 9C motor from 2010 opened up to replace the hall sensors that went bad, but I am wondering if anyone has any tips or advice on others things that can be done to improve reliability or cooling? I have thought about using a non-detergent motor oil in the...
  3. Z

    A123 2.5Ah 26650 M1-B available?

    Can you buy these yet? If so, has anyone bought them and where from.
  4. Z

    Cold winter use, self battery heating?

    Hey guys I have been pondering this issue for awhile now and was thinking.... I have a 16s 15AH flat A123 pack (actually my brother, but I have built it for him), he goes to university and now that it is winter it can get cold (very cold) down to -35 Celcius (-31 F). It hasn't been near this...
  5. Z

    What is a proper BMS for 48v (16s) 15Ah A123 pack?

    I have a 48v 15Ah prismatic A123 pack that's going to need 5 new cells bought for replacing 4 weak cells, and one dead one. I don't really know why 5 cells would be damaged that bad with only ~1000km on them and a small 3A charger... doesn't make sense as they 'should' be almost fine without...
  6. Z

    A123rc.com... safe to buy from?

    Hey, someone mentioned to me that they sell 15Ah A123's, just wondering if anyone has actually bought from them and what your experience was like buying from them? I have to buy 1, maybe more, 15Ah cells, so I just want to get your guys take on them. Thanks Seth
  7. Z

    Dead cell in 16s 15Ah A123 prismatic pack... idiot.

    Hey all, I have a real piss off of a situation. I bought 16 15Ah cells from Cell_man last year to make a nice 16s pack for my ebike, it has performed great, until now. I have had the $30 BMS sitting around (NOT INSTALLED) since that same time as well (thinking the pack would be fine in the...
  8. Z

    eBay 50 pcs A123 genuine cells?

    http://cgi.ebay.com/A123-cell-2300mah-50PCS-Li-Ion-Nano-Phosphate-Battery-/180496516915?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item2a066e4733 Hi there, I am new on this forum, I am over at RC-Monster if anyone here knows me. Anyways, I am building an eBike conversion with a Nine Continents...
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