GODIYMODULES 5PCS 3S BMS 20A Li-ion Battery 18650 for Drill Motor 12.6VA set of five 3-series lithium battery management boards designed for 12.6V charging systems. Each board provides 20A maximum output current protection, making these suitable for powering drill motors and similar high-drain devices. Ideal for builders assembling battery packs from 18650 or 26650 cells, these PCBs help create safe, reliable power systems for DIY projects.Itemweight0.07 poundsProductdimensions2.5 x 0.1 x 0.8 Use Battery Chargers