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  1. Z

    What is wrong with this BMS

    Hmm, I just put another one and also problem like first one.. @Tuc-tuc with what I to do that ? This is intended to be speaker battery to put inside.. I have some adaptor ( charger ), for li-ion with DC connector on it, output is 8.4V, 1A on it, can I put cables from that DC connector and...
  2. Z

    What is wrong with this BMS

    No it is not for that. I just found : ''Note 2: Connect 0V, 4.2V, 8.4V according to the diagram strictly. When connecting the battery for the first time, it needs to be charged before output.'' Maybe I need to connect a charger to charge this pack, as it is almost at full charge.. Don't know...
  3. Z

    What is wrong with this BMS

    Hmm, I don't understand well, all is ok, except this last measuring terminals where I get lower voltage.. This is happen with both BMS that I have and I don't know how to solve this problem.
  4. Z

    What is wrong with this BMS

    I put 2x 18650 in this BMS with balancing. Both cells are 4.14v, so I need to get 8.28v.. And at the end where + and - are I get 5.7v instead 8.28.. Ok I was thinking that BMS is bad, use another one and it is same.. When I check all other connection points on BMS I get right values, but when I...
  5. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    Yep, I found many of them on Aliexpress, also find a extensions for them which is good since this ones are too short. I just finished work with alligators and to the cables.. Then I connect them with magnets to the battery pack. Then I try to connect this pins end to the SkyRC charger and...
  6. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    I now understand you... And cables arrived just today. Don't know why this one is different it is much thinner 26 awg, and isolation is from rubber, and this other ones are 22 awg and silicone based isolation... Ok, this is my configuration for charging this cell, but as I see you write...
  7. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    Ok, thanks for help till now, I'm pretty familiar with cells chemistry and charging for them ( in ordinary chilinchric cells chargers ) but this other side I'm very low with knowledge. Also this is not 25R it is 13P a 1300 mAh cell from Samsung, but that is not important so much now. This is...
  8. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    I get this SkyRC iMax B6mini Professional charger. And I test it with this cordless drill battery packs and I need some help if someone know... First what are this other pins used for ( beside + and - ) on this battery packs ? All of them have more pins and what they are used for ? Bosch...
  9. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    Hmm, I'm a bit confused. All of this battery packs have two pair of contacts. First pair is for charging on charger, and second pair is for connecting to cordless drill and discharging. For example, connections for charging : Connections for cordless drill : So I'm not sure is this...
  10. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    That is ok, I know what I will do with cables if I can't connect it somehow I will use magnets to secure them to the battery pack... I' m mostly interested can I connect this charger somehow to this battery pack and measure its capacity ? I need to discarge a bat. pack to measure capacity, and...
  11. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    "Thanks for contacting SkyRC. To charge and check the capacity of one battery, you need to charge the battery to the full, then discharge the battery. For your battery without balance lead, the values tested may be not accurate. Best Regards" "As we do not have such a battery at hand, we can...
  12. Z

    SkyRC iMax B6mini Professional charging cordless drill battery packs ?

    Hi to all, I'm considering to buy an SkyRC iMax B6mini Professional charger, and I need it to charge a battery packs for cordless drills. The battery packs are something like this ones. So I see that SkyRC have many extension and cables that can be buy later, and I'm interested can it...
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