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  1. K

    Testing LiFePo4 charging without bms

    I am going to do a very controlled test on a 12v system of charging a 4s1p setup of CALB 40ah cells. I actually want to test this with the possibility of alternator charging (in parallel to an agm battery). I am well aware there are commercially available batteries to do this right off the...
  2. K

    A123 26650 12v module compared to calb cells

    I have the opportunity to buy either 4x 40ah CALB lifepo4 cells or a 12v module built from original a123 26650 lithium cells at 15ah. My amp draw will be about 400 amps for 10 seconds. There will be ample charge time between discharge and no long term discharge. Which module could you guys...
  3. K

    Result of charging NiMH in parallel circuits?

    I am trying to build a battery pack of Honda IMA sticks. I will be using a total of 16 sticks to make 8 14.4 volt batteries, (2 series per module, then parallel together). My question is, what is the actual result of charging in a mass situation such as this where there are packs connected in...
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