{"product_id":"100x-3-7v-li-ion-lipo-rechargeable-battery-protect-circuit-management-board-pcm","title":"FMA 1S 3.6V 3.7V Li-ion Battery Protection Board BMS PCM 2A (100pcs Wholesale)","description":"\u003ch2\u003e\u003cstrong\u003eFMA 1S 3.6V\/3.7V Li-ion Battery Protection Circuit Board (BMS\/PCM) - 100 Pieces Wholesale Pack\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional-grade Battery Management System (BMS) protection circuit boards designed for single-cell (1S) lithium-ion and lithium-polymer batteries. This wholesale pack includes 100 protection boards, providing comprehensive protection against overcharge, over-discharge, overcurrent, and short circuit conditions. Ideal for manufacturers, repair shops, and large-scale DIY projects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1S Configuration:\u003c\/strong\u003e Designed for single-cell lithium battery packs (3.6V nominal, 3.7V typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWholesale Pack:\u003c\/strong\u003e 100 pieces per order for commercial and bulk applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Protection:\u003c\/strong\u003e Overcharge, over-discharge, overcurrent, and short circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2A Continuous Current:\u003c\/strong\u003e Supports up to 2A continuous discharge current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Design:\u003c\/strong\u003e Minimal footprint ideal for very small battery applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Reliability:\u003c\/strong\u003e Quality components ensure long-term stable operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Value:\u003c\/strong\u003e Wholesale pricing offers exceptional value for bulk purchases\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Grade:\u003c\/strong\u003e Perfect for manufacturers, repair centers, and resellers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100× FMA 1S BMS Protection Circuit Boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/FPML01S1_a613ec3b-2d6d-426c-a104-bbd6cd5a3111.png?v=1772596083\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/FPML01S2_d812d1a3-f7bd-4c76-9696-c6e1bbf5473d.png?v=1772596083\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1S (single cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTypical Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFull Charge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMax Continuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOvercharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.25V ± 0.05V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOver-discharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.5V ± 0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLi-ion \/ LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity per Pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e100 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight (per board)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eApproximately 10g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturers:\u003c\/strong\u003e Battery pack production and assembly lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepair Shops:\u003c\/strong\u003e Electronics repair and battery replacement services\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResellers:\u003c\/strong\u003e Retail and online sales of battery protection components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM\/ODM:\u003c\/strong\u003e Original equipment and design manufacturers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational Institutions:\u003c\/strong\u003e Electronics labs and training programs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge-Scale Projects:\u003c\/strong\u003e Commercial installations and bulk deployments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-cell (18650, 18500, 14500, etc.) lithium battery protection\u003c\/li\u003e\n\u003cli\u003ePortable power bank manufacturing\u003c\/li\u003e\n\u003cli\u003eLED flashlight production\u003c\/li\u003e\n\u003cli\u003ePortable speaker and audio device assembly\u003c\/li\u003e\n\u003cli\u003eWearable device manufacturing\u003c\/li\u003e\n\u003cli\u003eIoT device and sensor production\u003c\/li\u003e\n\u003cli\u003eCamera accessory manufacturing\u003c\/li\u003e\n\u003cli\u003eMedical equipment battery pack assembly\u003c\/li\u003e\n\u003cli\u003eBattery repair and replacement services\u003c\/li\u003e\n\u003cli\u003eCustom battery pack production\u003c\/li\u003e\n\u003cli\u003eElectronics manufacturing and assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOvercharge Protection:\u003c\/strong\u003e Automatically disconnects charging when the cell reaches the overcharge protection voltage (4.25V ± 0.05V), preventing battery damage from excessive voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOver-discharge Protection:\u003c\/strong\u003e Cuts off discharge when cell voltage drops to the protection threshold (2.5V ± 0.1V), preventing deep discharge that can permanently damage lithium cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOvercurrent Protection:\u003c\/strong\u003e Monitors discharge current and disconnects the load if current exceeds safe limits (2A continuous), protecting both the battery and connected devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShort Circuit Protection:\u003c\/strong\u003e Instantly disconnects the battery in the event of a short circuit, preventing fire hazards and equipment damage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Wiring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBefore Installation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the battery cell voltage is within safe range (2.5V-4.2V)\u003c\/li\u003e\n\u003cli\u003ePrepare necessary tools: soldering iron, wire strippers, multimeter, heat-shrink tubing\u003c\/li\u003e\n\u003cli\u003eWork in a clean, well-ventilated area with proper ESD protection\u003c\/li\u003e\n\u003cli\u003eWear safety glasses and insulated gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Guidelines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect the positive terminal of the battery to B+ on the protection board\u003c\/li\u003e\n\u003cli\u003eConnect the negative terminal of the battery to B- on the protection board\u003c\/li\u003e\n\u003cli\u003eOutput terminals (P+ and P-) connect to your device or charging circuit\u003c\/li\u003e\n\u003cli\u003eUse appropriate wire gauge for connections (minimum 22AWG for 2A)\u003c\/li\u003e\n\u003cli\u003eDouble-check polarity before making final connections\u003c\/li\u003e\n\u003cli\u003eEnsure all solder joints are clean and secure with good electrical contact\u003c\/li\u003e\n\u003cli\u003eInsulate all connections with heat-shrink tubing to prevent shorts\u003c\/li\u003e\n\u003cli\u003eTest voltage with a multimeter before connecting to devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWholesale Pack Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Value:\u003c\/strong\u003e This 100-piece wholesale pack offers the best per-unit pricing for commercial buyers, manufacturers, and large-scale projects. Significant cost savings compared to smaller quantities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent Quality:\u003c\/strong\u003e All 100 boards come from the same production batch, ensuring consistent performance and specifications across your entire project or inventory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInventory Management:\u003c\/strong\u003e Bulk quantity ensures you have adequate stock for ongoing production, repairs, or sales without frequent reordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBusiness Ready:\u003c\/strong\u003e Perfect for businesses that need reliable, cost-effective components for battery pack assembly, repair services, or resale.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Each BMS board is rated for 2A continuous discharge current. Ensure your application does not exceed this current limit. For higher current applications, consider our multi-cell (2S, 3S, 4S, etc.) BMS boards with higher current ratings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3.7V Standard Voltage:\u003c\/strong\u003e This 1S BMS is ideal for 3.7V single-cell battery applications, which is the most common voltage for 18650, 18500, 14500, and similar lithium-ion cells used in flashlights, power banks, and portable devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Customization:\u003c\/strong\u003e We ship the standard configuration as shown in the main product images. For custom connector requirements or special wire arrangements for large orders, please contact us to discuss your specific needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This BMS is designed for single-cell lithium-ion or lithium-polymer batteries with nominal voltage of 3.6V\/3.7V. Ensure your battery matches before purchase. Using this BMS with incorrect battery types can result in improper protection and potential safety hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Each board undergoes quality control testing before shipment. However, we recommend testing a sample from each batch before full-scale deployment in your production or projects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose FMA BMS Products?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFMA specializes in high-quality battery management solutions for lithium-ion and lithium-polymer battery systems. Our BMS boards are manufactured using premium components and undergo rigorous quality control testing to ensure reliable protection and long service life. Each board is inspected and tested before shipment to guarantee it meets our strict quality standards. Our wholesale packs offer exceptional value for commercial buyers while maintaining the same high quality standards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCustom BMS Solutions \u0026amp; Bulk Orders\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNeed even larger quantities, different cell configurations, current ratings, or custom features? We offer custom BMS design and manufacturing services with flexible MOQ options. Contact us with your specifications including cell count, voltage requirements, current ratings, quantity needs, and any special features, and we'll create a tailored solution for your business.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSafety Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCharging:\u003c\/strong\u003e Use only chargers designed for single-cell lithium batteries with proper voltage (4.2V) and current specifications. Never exceed the maximum charging voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a cool, dry place away from direct sunlight, heat sources, and flammable materials. Keep out of reach of children.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperation:\u003c\/strong\u003e Do not bypass or disable protection functions. Do not expose to water, moisture, or conductive materials that could cause short circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Operate within recommended temperature range. Avoid extreme temperatures during charging and discharging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisposal:\u003c\/strong\u003e Dispose of according to local regulations for electronic waste. Do not incinerate or dispose of in regular trash.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInspection:\u003c\/strong\u003e Regularly inspect for signs of damage, overheating, or component failure. Discontinue use immediately if any abnormalities are detected.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Transportation Notice\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Material:\u003c\/strong\u003e This product is designed for use with lithium batteries and may be subject to shipping restrictions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir Transport Restrictions:\u003c\/strong\u003e Due to international air transport regulations, shipments may be subject to additional restrictions and longer transit times.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging Compliance:\u003c\/strong\u003e All shipments comply with applicable packaging requirements for electronic components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e Electronic component parcels may experience extended delivery times due to customs inspections and carrier handling procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Proper documentation accompanies all shipments to ensure compliance with international shipping regulations.\u003c\/p\u003e","brand":"fmabattery","offers":[{"title":"3.7V 2A 3x15mm","offer_id":46447767093437,"sku":"FPML01S020F033x100","price":58.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 2.5A 4.4x22.5mm","offer_id":46447767126205,"sku":"FPML01S025F293x100","price":68.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 2.5A 14mm","offer_id":46447767158973,"sku":"FPML01S025R014x100","price":80.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 3A 17mm","offer_id":46447767191741,"sku":"FPML01S030R869x100","price":68.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 4A 5x28mm","offer_id":46447767224509,"sku":"FPML01S040F294x100","price":125.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 4A 16.1mm","offer_id":46447767257277,"sku":"FPML01S040R548x100","price":80.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 5A 5x38mm","offer_id":46447767290045,"sku":"FPML01S050F971x100","price":70.0,"currency_code":"USD","in_stock":true},{"title":"3.7V 10A 17x34.5mm","offer_id":46447767322813,"sku":"FPML01S100F084x100","price":220.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/10_2f3cf509-1487-4c92-a57a-3451b03dfe70.jpg?v=1772508933","url":"https:\/\/fmabattery.com\/products\/100x-3-7v-li-ion-lipo-rechargeable-battery-protect-circuit-management-board-pcm","provider":"fmabattery","version":"1.0","type":"link"}