3S 20A 18650 BMS Protection Board
$4.50
Available
SKU: PRD480
This 3S 20A BMS board protects three series lithium-ion 18650 batteries from overcharging, over-discharging, and short circuits. It is commonly used in custom battery packs for power tools, electric bikes, and portable electronics to keep your batteries safe and extend their lifespan.
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