{"product_id":"10pcs-protect-circuit-management-board-pcm-for-1s-3-6v-3-7v-li-ion-li-po-battery","title":"FMA 1S 3.6V 3.7V Li-ion Battery Protection Board BMS PCM 2A (10pcs)","description":"\u003ch2\u003e\u003cstrong\u003eFMA 1S 3.6V\/3.7V Li-ion Battery Protection Circuit Board (BMS\/PCM) - 10 Pieces 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 value pack includes 10 protection boards, providing comprehensive protection against overcharge, over-discharge, overcurrent, and short circuit conditions for various small-scale applications.\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\u003eValue Pack:\u003c\/strong\u003e 10 pieces per order for multiple projects or 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\u003eCost-Effective:\u003c\/strong\u003e Bulk pack offers excellent value for multiple projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10× 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\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;\"\u003e10 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\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\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\/h3\u003e\n\u003ch3\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\/h3\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 banks and battery packs\u003c\/li\u003e\n\u003cli\u003eSmall handheld electronic devices\u003c\/li\u003e\n\u003cli\u003eLED flashlights and lighting systems\u003c\/li\u003e\n\u003cli\u003ePortable speakers and audio devices\u003c\/li\u003e\n\u003cli\u003eWearable devices and smart accessories\u003c\/li\u003e\n\u003cli\u003eIoT devices and sensors\u003c\/li\u003e\n\u003cli\u003eCamera accessories and photography equipment\u003c\/li\u003e\n\u003cli\u003eMedical equipment battery packs\u003c\/li\u003e\n\u003cli\u003eDIY electronics projects\u003c\/li\u003e\n\u003cli\u003eCustom battery pack projects\u003c\/li\u003e\n\u003cli\u003eBattery rebuilds and upgrades\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\u003cp\u003e\u003cstrong\u003eRequired Skills:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnderstanding of lithium battery chemistry and safety\u003c\/li\u003e\n\u003cli\u003eProficiency in soldering and electrical connections\u003c\/li\u003e\n\u003cli\u003eAbility to read wiring diagrams and follow technical specifications\u003c\/li\u003e\n\u003cli\u003eKnowledge of proper battery handling and safety protocols\u003c\/li\u003e\n\u003cli\u003eExperience with multimeter usage and voltage testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWho Should NOT Attempt Installation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndividuals without electrical or electronics experience\u003c\/li\u003e\n\u003cli\u003eThose unfamiliar with lithium battery safety requirements\u003c\/li\u003e\n\u003cli\u003eAnyone without proper tools or workspace\u003c\/li\u003e\n\u003cli\u003eMinors without qualified adult supervision\u003c\/li\u003e\n\u003cli\u003eIf unsure about any aspect of installation, consult a professional technician\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBulk Pack Advantage:\u003c\/strong\u003e This 10-piece pack is ideal for hobbyists, DIY enthusiasts, repair shops, or anyone working on multiple battery projects. The bulk quantity offers excellent value and ensures you have spare boards for future projects.\u003c\/p\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. If you require specific connectors or custom wire arrangements, please refer to the product gallery images and contact us with your requirements before ordering.\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\u003eTesting:\u003c\/strong\u003e After installation, perform thorough testing including voltage checks, charge\/discharge cycles, and protection function verification before putting the battery into regular use.\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.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCustom BMS Solutions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNeed a different cell configuration, current rating, or custom features? We offer custom BMS design and manufacturing services. Contact us with your specifications including cell count, voltage requirements, current ratings, and any special features you need, and we'll create a tailored solution for your application.\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":46447768961213,"sku":"FPML01S020F033x010","price":11.7,"currency_code":"USD","in_stock":true},{"title":"3.7V 2.5A 4.4x22.5mm","offer_id":46447768993981,"sku":"FPML01S025F293x010","price":12.56,"currency_code":"USD","in_stock":true},{"title":"3.7V 2.5A 14mm","offer_id":46447769026749,"sku":"FPML01S025R014x010","price":12.56,"currency_code":"USD","in_stock":true},{"title":"3.7V 3A 17mm","offer_id":46447769059517,"sku":"FPML01S030R869x010","price":12.59,"currency_code":"USD","in_stock":true},{"title":"3.7V 4A 5x28mm","offer_id":46447769092285,"sku":"FPML01S040F294x010","price":17.49,"currency_code":"USD","in_stock":true},{"title":"3.7V 4A 16.1mm","offer_id":46447769125053,"sku":"FPML01S040R548x010","price":17.49,"currency_code":"USD","in_stock":true},{"title":"3.7V 5A 5x38mm","offer_id":46447769157821,"sku":"FPML01S050F971x010","price":14.2,"currency_code":"USD","in_stock":true},{"title":"3.7V 10A 17x34.5mm","offer_id":46447769190589,"sku":"FPML01S100F084x010","price":29.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/10_abca9bb9-7830-46be-a474-88d2bbb72480.jpg?v=1772509290","url":"https:\/\/fmabattery.com\/products\/10pcs-protect-circuit-management-board-pcm-for-1s-3-6v-3-7v-li-ion-li-po-battery","provider":"fmabattery","version":"1.0","type":"link"}