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  1. kje

    End Voltage on A123 batteries

    What is the max end voltage on A123 batteries? Should I charge them to 3.6V each cell? Or higher?
  2. kje

    48V 18650 configuration

    What is the best configuration for making a 48V battery with 18650 cells? I have a Imax B6 charger and want to use it to balance charge my battery. Is it enough with two 6s (22,2V) packs in series for a Bafang BBS02 750W? If not, is it possible to add a third pack in series with 2s? (6s + 6s...
  3. kje

    Bafang BBS02

    Is this a good place for ordering Bafang BBS02? How Can I know what wheel chain I need? http://www.elifebike.com/peng/iview.asp?KeyID=dtpic-2014-3C-S316.027VD
  4. kje

    Increase the capacity on Lead Acid batteries

    Hi, I have a few Lead Acid 55Ah 12V batteries holding it's voltage at 12.7V, but I've measured the capacity to about 20Ah. Is there a way to increase the capacity on these batteries?
  5. kje

    Analog ammeter with or without shunt

    What is the difference on analog ammeter with and without a current shunt? This ammeter doesn't need a current shunt: http://www.ebay.com/itm/1-AC50A-Analog-Panel-APM-Current-Meter-Ammeter-Gauge-85L1-AC0-50A-/120985523453?pt=LH_DefaultDomain_0&hash=item1c2b4c94fd This ammeter does need a...
  6. kje

    DIY Lithium Jump Starter

    Anyone tried to make a DIY Lithium Jump Starter like the NOCO Genius Boost GB30 UltraSafe Lithium Jump Starter? https://www.youtube.com/watch?v=q7xWhyr-dDI
  7. kje

    Copper wire/braid dimension for 55 amps

    What dimension copper wire or braid do I need to solder a big 18650 battery pack with a max draw at 55 amps?
  8. kje

    How to charge Dell laptop from 12V cigarette socket

    I wanna charge a Dell Latitude E6500 laptop from the cigarette socket (12V), and have now tried two Vanson laptop adapters (SDR-100W and SDR-120W). Both deliver a weak beeping and does not charge the laptop battery. According to the regular power adapter the Laptop need 19.5V and 4.62A. On the...
  9. kje

    Crimping tool

    Crimping tools is expensive, but I`ll try to find a cheaper one. Is there crimping tools that can handle both insulated and uninsulated terminals? If I buy Tricrimp for crimping Anderson Powerpoles http://www.powerwerx.com/crimping-tools/tricrimp-crimping-powerpole-contacts.html (without the...
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