{"product_id":"lifepo4-5s-16v-12s-38-4v-li-fe-battery-protect-circuit-management-board-pcm-bms","title":"LiFePO4 5S 16V 12S 38.4V Li-Fe Battery Protect Circuit Management Board PCM BMS","description":"\u003ch2\u003e\u003cstrong\u003eLiFePO4 Battery Protection Board (BMS\/PCM) - 5S\/12S High Voltage Li-Fe Protection\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eProfessional Battery Management System (BMS) \/ Protection Circuit Module (PCM) specifically designed for high-voltage LiFePO4 (Lithium Iron Phosphate) battery packs. Available in two configurations: 5S (16V, 20A) and 12S (38.4V, 24A). Features comprehensive protection including overcharge, over-discharge, overcurrent, and short circuit protection. Perfect for DIY LiFePO4 battery packs, solar systems, electric vehicles, and high-power applications requiring reliable battery protection.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Voltage Support:\u003c\/strong\u003e 5S (16V) and 12S (38.4V) configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Rating:\u003c\/strong\u003e 20A and 24A continuous current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiFePO4 Specific:\u003c\/strong\u003e Calibrated for Li-Fe voltage characteristics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Overcharge, over-discharge, overcurrent, short circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell Balancing:\u003c\/strong\u003e Built-in balancing function for multi-cell packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Components:\u003c\/strong\u003e Reliable MOSFETs and protection ICs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Self-Consumption:\u003c\/strong\u003e Minimal power drain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Protection:\u003c\/strong\u003e Built-in thermal protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× LiFePO4 Protection Board (BMS\/PCM) - configuration as selected\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAvailable Configurations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eConfiguration\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eVoltage\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCurrent\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSize (mm)\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e5S 20A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16V (5 cells)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e20A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e42 × 126\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eE-bikes, power tools, 16V systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003e12S 24A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e38.4V (12 cells)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e24A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e63 × 126\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSolar systems, electric vehicles, 36V systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5S 20A\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003e12S 24A\u003c\/th\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;\"\u003e16V (5S)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e38.4V (12S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e20A\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e24A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.65V per cell\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.65V per cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOver-discharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.5V per cell\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e2.5V per cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e42mm × 126mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e63mm × 126mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBalance Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~100g\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e~100g\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\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/FPME05-12S.png?v=1772521316\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eProtection Type\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDisconnects when any cell exceeds 3.65V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOver-discharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDisconnects when any cell drops below 2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOvercurrent Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDisconnects when current exceeds rated limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eShort Circuit Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInstantly disconnects on short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCell Balancing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBalances cells during charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eProtects against overheating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eStep-by-Step Installation Instructions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Follow These Steps Carefully for Safe Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStep 1: Preparation \u0026amp; Safety\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCRITICAL:\u003c\/strong\u003e Ensure all power sources are disconnected\u003c\/li\u003e\n\u003cli\u003eVerify you have the correct BMS (5S for 16V or 12S for 38.4V)\u003c\/li\u003e\n\u003cli\u003eCount your battery cells to confirm configuration\u003c\/li\u003e\n\u003cli\u003ePrepare tools: soldering iron, solder, wire cutters, multimeter, heat shrink tubing\u003c\/li\u003e\n\u003cli\u003eUse appropriate wire gauge: 12-14 AWG for 20-24A applications\u003c\/li\u003e\n\u003cli\u003eWork in a well-ventilated area with proper lighting\u003c\/li\u003e\n\u003cli\u003eWear safety glasses and work gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 2: Identify Connection Points\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLocate the following connection points on the BMS:\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB-\u003c\/strong\u003e (Battery Negative): Connect to negative terminal of battery pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB+\u003c\/strong\u003e (Battery Positive): Connect to positive terminal of battery pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP-\u003c\/strong\u003e (Load\/Charger Negative): Output negative terminal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP+\u003c\/strong\u003e (Load\/Charger Positive): Output positive terminal\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBalance Wires:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e5S: B-, B1, B2, B3, B4, B+\u003c\/li\u003e\n\u003cli\u003e12S: B-, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B+\u003c\/li\u003e\n\u003cli\u003eRefer to the wiring diagram on the board or documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 3: Connect Balance Wires\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFor 5S (16V):\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eB- to negative terminal of cell 1\u003c\/li\u003e\n\u003cli\u003eB1 to connection between cell 1 and cell 2\u003c\/li\u003e\n\u003cli\u003eB2 to connection between cell 2 and cell 3\u003c\/li\u003e\n\u003cli\u003eB3 to connection between cell 3 and cell 4\u003c\/li\u003e\n\u003cli\u003eB4 to connection between cell 4 and cell 5\u003c\/li\u003e\n\u003cli\u003eB+ to positive terminal of cell 5\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFor 12S (38.4V):\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eB- to negative terminal of cell 1\u003c\/li\u003e\n\u003cli\u003eB1 through B11 to each connection point between cells\u003c\/li\u003e\n\u003cli\u003eB+ to positive terminal of cell 12\u003c\/li\u003e\n\u003cli\u003eUse 22-24 AWG wire for balance connections\u003c\/li\u003e\n\u003cli\u003eLabel each wire before connecting\u003c\/li\u003e\n\u003cli\u003eDouble-check sequence before soldering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 4: Connect Main Power Wires\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBattery Side:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eB-\u003c\/strong\u003e to battery pack negative terminal using 12-14 AWG wire\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eB+\u003c\/strong\u003e to battery pack positive terminal using 12-14 AWG wire\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLoad\/Charger Side:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eP-\u003c\/strong\u003e to load\/charger negative using 12-14 AWG wire\u003c\/li\u003e\n\u003cli\u003eConnect \u003cstrong\u003eP+\u003c\/strong\u003e to load\/charger positive using 12-14 AWG wire\u003c\/li\u003e\n\u003cli\u003eEnsure all connections are solid and well-insulated\u003c\/li\u003e\n\u003cli\u003eUse crimped ring terminals for secure connections if possible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 5: Verify All Connections\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eBEFORE applying power, verify:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAll balance wires are connected in correct sequence\u003c\/li\u003e\n\u003cli\u003eNo reversed polarity on any connection\u003c\/li\u003e\n\u003cli\u003eAll solder joints are solid and insulated\u003c\/li\u003e\n\u003cli\u003eNo short circuits between adjacent wires\u003c\/li\u003e\n\u003cli\u003eUse multimeter to check voltage at each balance point\u003c\/li\u003e\n\u003cli\u003eVerify total pack voltage matches expected value\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 6: Initial Testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect battery pack to BMS\u003c\/li\u003e\n\u003cli\u003eMeasure voltage at P+ and P- terminals\u003c\/li\u003e\n\u003cli\u003eShould read full pack voltage (16V or 38.4V nominal)\u003c\/li\u003e\n\u003cli\u003eIf no output voltage, BMS may be in protection mode\u003c\/li\u003e\n\u003cli\u003eConnect charger briefly to wake up BMS\u003c\/li\u003e\n\u003cli\u003eTest with low-current load first (1-2A)\u003c\/li\u003e\n\u003cli\u003eMonitor BMS temperature during initial use\u003c\/li\u003e\n\u003cli\u003eVerify protection functions work correctly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 7: Final Assembly \u0026amp; Insulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApply heat shrink tubing to all exposed connections\u003c\/li\u003e\n\u003cli\u003eSecure BMS board inside battery pack enclosure\u003c\/li\u003e\n\u003cli\u003eUse foam padding to prevent BMS from touching cells\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation around BMS\u003c\/li\u003e\n\u003cli\u003eRoute wires neatly to avoid pinching\u003c\/li\u003e\n\u003cli\u003eLabel positive and negative output terminals clearly\u003c\/li\u003e\n\u003cli\u003ePerform final voltage and continuity checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eImportant Installation Precautions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ CRITICAL SAFETY WARNINGS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore Installation:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e❌ \u003cstrong\u003eNEVER use 5S BMS on 12S battery or vice versa\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e❌ Do NOT exceed rated current (20A or 24A)\u003c\/li\u003e\n\u003cli\u003e❌ Do NOT reverse polarity - will destroy BMS instantly\u003c\/li\u003e\n\u003cli\u003e❌ Do NOT skip balance wire connections\u003c\/li\u003e\n\u003cli\u003e✅ Verify cell count matches BMS configuration\u003c\/li\u003e\n\u003cli\u003e✅ Ensure all cells are balanced before installation\u003c\/li\u003e\n\u003cli\u003e✅ Use proper wire gauge (12-14 AWG for main power)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBalance Wire Connection Tips:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWork methodically from B- to B+\u003c\/li\u003e\n\u003cli\u003eLabel each wire with cell number before connecting\u003c\/li\u003e\n\u003cli\u003eUse different colored wires if possible\u003c\/li\u003e\n\u003cli\u003eKeep balance wires away from high-current wires\u003c\/li\u003e\n\u003cli\u003eDouble-check sequence - incorrect order will damage BMS\u003c\/li\u003e\n\u003cli\u003eTest each connection with multimeter before final assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Mistakes to Avoid:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e❌ Connecting balance wires in wrong order\u003c\/li\u003e\n\u003cli\u003e❌ Using wire gauge too small for current\u003c\/li\u003e\n\u003cli\u003e❌ Forgetting to insulate solder joints\u003c\/li\u003e\n\u003cli\u003e❌ Mounting BMS directly against battery cells\u003c\/li\u003e\n\u003cli\u003e❌ Not testing before final assembly\u003c\/li\u003e\n\u003cli\u003e❌ Exceeding current rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo output voltage:\u003c\/strong\u003e BMS in protection mode, connect charger to reset\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS shuts off under load:\u003c\/strong\u003e Check current draw, verify wire gauge adequate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWon't charge:\u003c\/strong\u003e Verify balance wires correct, check charger voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS overheating:\u003c\/strong\u003e Current exceeds rating or poor ventilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCells not balancing:\u003c\/strong\u003e Check balance wire connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e5S 16V 20A Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectric bicycles (16V systems)\u003c\/li\u003e\n\u003cli\u003ePower tool battery packs\u003c\/li\u003e\n\u003cli\u003ePortable power stations\u003c\/li\u003e\n\u003cli\u003eDIY battery projects\u003c\/li\u003e\n\u003cli\u003eSmall electric vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e12S 38.4V 24A Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolar energy storage systems (36V nominal)\u003c\/li\u003e\n\u003cli\u003eElectric bicycles and scooters (36V systems)\u003c\/li\u003e\n\u003cli\u003eGolf carts and small EVs\u003c\/li\u003e\n\u003cli\u003eMarine and RV house batteries\u003c\/li\u003e\n\u003cli\u003eUPS and backup power systems\u003c\/li\u003e\n\u003cli\u003eHigh-power portable generators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose LiFePO4 BMS?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEssential Protection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents overcharging - extends battery life significantly\u003c\/li\u003e\n\u003cli\u003ePrevents over-discharge - protects cells from permanent damage\u003c\/li\u003e\n\u003cli\u003eBalances cells during charging - ensures even wear\u003c\/li\u003e\n\u003cli\u003eProtects against short circuits and overcurrent\u003c\/li\u003e\n\u003cli\u003eRequired for safe multi-cell LiFePO4 operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLong-Term Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximizes battery pack lifespan (2000+ cycles)\u003c\/li\u003e\n\u003cli\u003eMaintains cell balance for optimal performance\u003c\/li\u003e\n\u003cli\u003ePrevents costly battery replacement\u003c\/li\u003e\n\u003cli\u003eProvides peace of mind for high-value applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty \u0026amp; Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe stand behind the quality of our BMS boards. If you experience any issues, please contact us for support. Always follow installation instructions carefully and verify all connections before applying power. Improper installation may void warranty.\u003c\/p\u003e","brand":"fmabattery","offers":[{"title":"16V 20A 42x126mm","offer_id":46447914385597,"sku":"FPME05S200F408","price":19.93,"currency_code":"USD","in_stock":true},{"title":"38.4V 24A 63x126mm","offer_id":46447914418365,"sku":"FPME12S250F354","price":32.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9133\/3821\/files\/10_f8e543aa-8d05-4030-877e-464297c67a5c.jpg?v=1772513072","url":"https:\/\/fmabattery.com\/products\/lifepo4-5s-16v-12s-38-4v-li-fe-battery-protect-circuit-management-board-pcm-bms","provider":"fmabattery","version":"1.0","type":"link"}