5S 18V/21V lithium-ion battery management/protection PCB pulled from a working project pack. Perfect replacement for repairing dead cordless power tool battery packs (angle grinders, drills, blowers) or custom 18650/21700 5S builds.
Key Specs & Details:
Board Model: ML-1 94V-0 VER:1.0
Configuration: 5S (18V Nominal / 21V Peak)
Features: Heavy-duty nickel/copper terminal contacts, individual cell balance taps (B1–B4), onboard temperature sensor (NTC thermistor), pre-wired pigtails.
Condition: Clean board, tested and fully functional.