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  1. ed209

    4s4p LiFePO4 Build Log

    Finally ready to build a battery! Will document my progress here over the next couple months. Please let me know if this is not an appropriate place to do so. Major Parts list: Modular toolchest (DeWalt at top of list, rated for heavier weights) SAB 3.2v 55ah 176wh 60280 cells in 4p4s (2816...
  2. ed209

    SoC limits with Grid charger

    I'm looking to build a grid-charged LiFePO4 pack because in the summer my peak energy cost is 6x the cost of super off-peak (9 cents vs 56 cents per kWh, yay San Diego) Basically, this system: ...but instead of solar, a...