{"product_id":"heavy-duty-4s-20a-14-8v-lithium-ion-18650-battery","title":"Heavy Duty 4S 20A 14.8V Lithium Ion 18650 Battery Management System Board Featuring Built Tough Overcharge And Short Circuit Protection For Straight Forward Reliable Performance","description":"\u003cdiv\u003e\n\u003cp\u003ePack of 3 heavy duty 4s 14.8v lithium bms board set\u003cbr\u003e✔️ 35x35x3mm s-8254aa chip mos switch 20a continuous load\u003c\/p\u003e \u003cp\u003eThis 4s 14.8v 18650 battery management system board handles reliable power routing for custom battery packs, e-bike upgrades, and portable solar storage. It keeps your cells balanced while safely cutting power during faults.\u003c\/p\u003e \u003cp\u003e✅ Pack includes three identical 4s protection units for scalable builds\u003cbr\u003e✅ High accuracy voltage detection prevents over charging and deep discharging\u003cbr\u003e✅ Built in three stage overload detection safeguards against short circuits\u003cbr\u003e✅ Low standby drain preserves cell life when equipment remains idle\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What protects a multi cell lithium battery pack from damage? A solid battery management system handles voltage balancing and fault cutoff.\n- It uses precision chips to monitor individual cell levels during charge cycles.\n- Three stage surge detection instantly cuts power when loads spike too high.\n- Compact designs fit handy inside custom enclosures for clean wiring setups.\u003cbr\u003e\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49322255352043,"sku":"VXB08FHRTJRN","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71rtcuB3MwL.jpg?v=1788234676","url":"https:\/\/vxb.com\/products\/heavy-duty-4s-20a-14-8v-lithium-ion-18650-battery","provider":"VXB Bearings","version":"1.0","type":"link"}