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  1. M

    Need opinion : Designing a 7s14P in a small box 11*9

    Hi guys, Just looking at option with the perfect flaw for the 7s14P I have a small box and Im limited with the way I can use the box. Application: trolling motor, step down converter for 12v phone charger Amperage draw: 18A max 29.4V and 42Ah Application 1: or Just two 7s7p on top of each...
  2. M

    BMS temp raise when using hobby charger with balancing

    Hi guys, I tried to charge my 3s5p LGmh1 with a hobby Liion charger, If I only connect the POS and NEG from the bms to the charger it works fine with no heat and it will charger to the desire voltage 4.15V But when I connect the balance wires to the charger to balance the cells with up to 1A...
  3. M

    7s14P parallel BMS or Single ?

    Hey guys, I have 98 new cells 35 of them in same production year and showing 100mAh lower the the rest of other production year. 3350mAh and 3450mAh LG MJ1 I need to have them 7s7p on top of each other to safe space and get them into a waterproof box, I thought of making two separate packs...
  4. M

    How do I choose which battery is the best for my application

    Hi there, Im building a pack for electric trolling motor and I would like to know what would be the best option for me.( or the safe discharge rate, so I don't heat the pack or over discharge it with the loads? The motor use 15A in continuous in full speed, with peak up to 18 max. so each...
  5. M

    7s15p or 3*7s5p to quickly charge?

    Hey all, Planning on building a battery pack for trolling motor, I will be using LG hg2 chem. Battery model: LG HG2 Build: 7S15P or 3*7s5p I would like to break the pack to 3 small packs to allow for fast charging, I would rather have a 3 charger to charge 7s5P instead of charging 7s15P it...
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