Badass 3S Battery Management System 20 Amp Li Ion And Lipo Cell Balance Protection Module 12.6 Volt Quick Charge Board For 18650 Battery Packs And Killer Power Tool Upgrades
✔️ 5 pack 3s lithium battery protector board rated at 20 amps and 12.6v
This compact three stage protection unit keeps your custom power tool backups from blowing fuses or catching fire under heavy torque demands. You drop it straight into any eighteen sixty five zero or twenty six sixty five modified drill stack to watch charge levels and auto disconnect harmful surges before they wreck the motor windings.
✅ Compatible with three point six volt and three point seven volt lithium chemistry including polymer cells✅ Maximum continuous discharge current stays steady at twenty amps per unit
✅ Operating voltage targets standard twelve point six volt three series configurations
✅ Printed circuit board features a standard green finish for easy identification
✅ Includes five identical protection modules ready for immediate parallel assembly
💡 What feature makes a basic lithium ion battery management system handy for custom tool builds?
Standard voltage monitoring circuits prevent dangerous overcharge conditions that destroy expensive cell arrays.
- Consistent heat spreading across the copper pads safeguards your drill motor from sudden current drops
- Accurate three series phase tracking extends total cycle life by stopping early capacity fade
- Simple direct wiring cuts installation time when swapping dead brick packs for fresh replacement units
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