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  1. manfred59

    controller falls into cruise mode

    Hello, dear forum members! I have the following problem: On my golf project vehicle I have two motors with 2 controllers from the company Freego Power Company (9 MOSFET, 36V-9M-3600-1) in parallel on one throttle running. At full throttle the two motors are going automaticly into cruise mode...
  2. manfred59

    16 Channel Celllog CMS/Balancer with MW Charge Controller

    Hi, I have problems with the connection of the Celllog CMS/Balancer rev. 4.2.6 with the MeanWell Charge controller rev. 4.2.5. The Celllog CMS/Balancer tests are ok and I want to connect to the MW charger with the TPpacks Charge Controller. There is a two-wire HVC/optp output which I should...
  3. manfred59

    VoltPhreaks Single cell chargers fried!

    My friends are using the single cell chargers vom Voltphreaks and there are untill now about 5 which fried. :( I have ordered 20 small single cell chargers and 20 wide ones from VPh the last year. The wide ones have no smd parts in it, but the small ones. I have opened the fried yesterday and...
  4. manfred59

    WattsUp was in the rain!

    Hey guys! After beeing some time in wet weather the screen did not show the full display, only the right half of it. After drying, my wattsup meter shows only grey rectangles in the first row when powering up. No v2.1 text appears at startup. Is it dead? Is it possible to reset something?
  5. manfred59

    Connecting the LVC 2.3 board?

    I have a question to the LVC board v2.3a. I have done a layout for 4 cells only. I want to mount this board on a pack with 4s2p Headway cells(14V/20Ah). Could I use the connections from the board to the motor + and the - going throug the LVC circuit for charging? Would be the fets switched on...
  6. manfred59

    Connecting different Switching Power Supplies in series?

    Is it possible to connect two ore more Regulated Switching Power Supplies in series? In my special case I want to connect a 36V DC 9.7A 350W PSU with a 12V DC 18A 250W PSU to get a voltage of 55V or better 56V for charging a a123 / 15s battery. If it is possible which current would be realistc?
  7. manfred59

    Bad cells in a 12s5p battery

    I have a problem with my 12s5p battery pack(High power LiFePO4 18650 from Voltphreaks) which I charged with the BMS from this forum, because one parallel cell (= 5 cells) does not hold the voltage. All other 11 cells read about 3,45V but the one in the middle (8th cell) reads 3,14V. Fresh off...
  8. manfred59

    36V 800W brushed speed controller - UVP 31V

    I have bought this controller from e-crazyman http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300233415146 I want to use this controller with a 8s5p or max. 10s5p battery because the motor I am using in my e-scooter is a 24V type. Could I change the Under Voltage Protection which is set to 31...
  9. manfred59

    High power LiFePO4 18650 from Voltphreaks

    Some days ago I got 50 pc. of these https://s.p10.hostingprod.com/@www.voltphreaks.com/ssl/catalog/product_info.php?cPath=1_23&products_id=31 This weekend I measured the voltage of all cells, and I was afraid of about 8 cells reading a voltage from 0,2V - 2,7V all others with 3,29V! I made a...
  10. manfred59

    Golfscooter - searching for stronger motors

    First of all I am very happy to have found this forum! It's great! Untill now I have got very good information in the battery forum about loading LIFEPO4 cells. My project was to build a golf scooter for people with walking disabilities etc. A prototype is running for some times, but the power...
  11. manfred59

    Single cell charger - where to buy?

    Hello to everybody here in this nice board! I am from Austria in Europe, and I have already read some topics which are very interesting to me. I built a small golf cart to step on it to go around the golf course. Two hub-motors 400W each power up the cart. My battery is a pack with 72 a123 cells...
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