{"product_id":"3s-20a-li-ion-lithium-battery-18650-charger-pcb-bms-protection-board","title":"لوحة حماية PCB BMS لشاحن بطارية ليثيوم أيون 18650 ليثيوم 3S 20A#99","description":"\u003cp data-path-to-node=\"4\" style=\"text-align: right;\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eThe 3S 20A Li-ion BMS Protection Board\u003c\/b\u003e is the smart and essential electronic protection system designed to manage, charge, and discharge a 3-cell lithium battery array (such as the popular 18650 cells) connected in series with a nominal voltage of 11.1V to 12.6V and a continuous current capacity of up to 20 amps.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\" style=\"text-align: right;\"\u003eThis board is considered the \u003cb data-path-to-node=\"5\" data-index-in-node=\"21\"\u003eBenchmark\u003c\/b\u003e standard in building portable power packs and modifying devices; it monitors cell status in real-time and provides comprehensive four-tiered protection including: overcharge protection, over-discharge protection (which can damage cells), overcurrent protection, and crucial short circuit auto-recovery protection. The board is characterized by its compact size and high stability, which ensures increased efficiency and lifespan of the batteries and provides the highest safety standards during operation. It is the professional and sole choice for building custom power packs, modifying old wireless drill and screwdriver batteries, operating smart robot cars that require a voltage close to 12V, and advanced mechatronics and STEM projects.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eA premium, hobby-to-industrial grade 3S 20A Li-ion lithium battery BMS protection board precision-engineered to manage and safeguard a 3-cell (11.1V - 12.6V) lithium-ion battery pack configuration (such as 18650 or 21700 cells). Standing as the definitive hardware benchmark for portable power management and tool battery conversions, this compact module integrates advanced monolithic monitoring ICs to deliver comprehensive multi-tiered protection architecture. It shields the battery grid against critical faults including cell overcharging, deep over-discharging, output overcurrent spikes, and short-circuit faults with automatic recovery. Engineered to handle continuous discharge currents up to 20A, it serves as the ultimate high-reliability hardware backbone for DIY cordless power tool restoration (like drill batteries), custom autonomous robotics power arrays, outdoor field telemetry cells, and academic STEM mechatronics.\u003c\/p\u003e","brand":"SkyTech","offers":[{"title":"Default Title","offer_id":46228938883225,"sku":"KS636","price":1500.0,"currency_code":"IQD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/8131\/2921\/files\/599e7252-c68e-440a-84e5-515a89482723.jpg?v=1782289427","url":"https:\/\/skyteches.com\/ar\/products\/3s-20a-li-ion-lithium-battery-18650-charger-pcb-bms-protection-board","provider":"SkyTech","version":"1.0","type":"link"}