{"title":"BMS - Medium Pack (5S to 13S)","description":"\u003cp\u003estem.pk stocks \u003cstrong\u003emedium-range BMS protection boards for 5S to 13S lithium battery packs\u003c\/strong\u003e — covering 18V (5S) to 48V (13S) nominal voltages. These BMS boards are the backbone of e-bike battery packs, electric scooters, power tool batteries, and mid-scale solar storage systems in Pakistan. With current ratings from 20A to 100A and built-in cell balancing, they keep your lithium pack safe and healthy for thousands of cycles.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Medium-Pack BMS?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eE-bike voltage range\u003c\/strong\u003e — 10S (36V) and 13S (48V) are the standard voltages for electric bicycle motors in Pakistan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh current handling\u003c\/strong\u003e — 30A to 100A continuous for powerful hub motors and mid-drives\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell balancing included\u003c\/strong\u003e — passive balancing maintains cell equilibrium across all series cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature protection\u003c\/strong\u003e — NTC sensor input cuts output if pack overheats under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5S BMS\u003c\/strong\u003e — 18V nominal; for power tool replacement packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6S BMS\u003c\/strong\u003e — 22.2V; for drone packs and medium power tools\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7S BMS\u003c\/strong\u003e — 25.9V; for specialty applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8S BMS\u003c\/strong\u003e — 29.6V; for industrial portable equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10S BMS\u003c\/strong\u003e — 36V nominal; standard for entry-level e-bikes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e13S BMS\u003c\/strong\u003e — 48V nominal; standard for high-performance e-bikes and scooters in Pakistan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Categories\u003c\/h2\u003e\n\u003cp\u003eSee smaller packs at \u003ca href=\"\/collections\/bms-small-pack-1s-to-4s\"\u003eSmall Pack BMS (1S–4S)\u003c\/a\u003e. For high-voltage solar systems see \u003ca href=\"\/collections\/bms-high-voltage-14s-to-24s\"\u003eHigh Voltage BMS (14S–24S)\u003c\/a\u003e. For e-bike specific rated BMS see \u003ca href=\"\/collections\/bms-for-e-bike-electric-scooter\"\u003eBMS for E-Bike \u0026amp; Electric Scooter\u003c\/a\u003e. Pair with 18650 cells from \u003ca href=\"\/collections\/batteries\"\u003eBatteries \u0026amp; Chargers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eE-bike conversion\u003c\/strong\u003e — 13S 18650 pack (48V, 10–20Ah) + 30A–60A BMS + BLDC hub motor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectric scooter battery\u003c\/strong\u003e — 10S LiPo or 18650 pack with high-current BMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower tool battery rebuild\u003c\/strong\u003e — 5S replacement for 18V drill\/saw packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolar storage mid-scale\u003c\/strong\u003e — 10S LiFePO4 with appropriate LFP-calibrated BMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobot drive battery\u003c\/strong\u003e — 6S or 7S high-current BMS for heavy mobile robots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Choose\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatch series count\u003c\/strong\u003e — 10S for 36V systems; 13S for 48V systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e — peak motor current × 1.5 = minimum BMS current rating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemistry\u003c\/strong\u003e — Li-ion BMS for 18650\/LiPo; LiFePO4 BMS for LFP cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePort type\u003c\/strong\u003e — common port for simpler wiring; separate port for simultaneous charge\/discharge\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eLearning Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/batteryuniversity.com\/article\/bu-803a-cell-mismatch-balancing\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCell Balancing — Battery University\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_management_system\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBMS — Wikipedia\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/diysolarforum.com\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDIY Solar Forum\u003c\/a\u003e — community discussion on BMS selection for various pack sizes\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/results?search_query=48v+ebike+battery+bms+wiring\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e48V E-Bike BMS Wiring — YouTube\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNeed cells for your pack? Browse \u003ca href=\"\/collections\/batteries\"\u003eBatteries \u0026amp; Chargers\u003c\/a\u003e. See all BMS options at \u003ca href=\"\/collections\/bms-battery-management-systems\"\u003eBMS - Battery Management Systems\u003c\/a\u003e. For bulk e-bike battery assembly supply contact \u003ca href=\"mailto:info@stem.pk\"\u003einfo@stem.pk\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"3-7v-18650-3s-4s-5s-bms-100a-bms-li-ion-lmo-ternary-lithium-battery-protection-circuit-board-balance-charging-module","title":"3.7v 18650 3s 4s 5s Bms 100a Bms Li-ion Lmo Ternary Lithium Battery Protection Circuit Board Balance Charging Module","description":"\u003cp data-sourcepos=\"15:1-15:225\"\u003eProtect and optimize your 3S, 4S, or 5S battery pack with our reliable BMS. This versatile battery management system ensures safe charging and discharging, preventing damage from overcharge, overdischarge, and short circuits.\u003c\/p\u003e\n\u003cp data-sourcepos=\"17:1-17:17\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"19:1-24:0\"\u003e\n\u003cli data-sourcepos=\"19:1-19:40\"\u003eSelectable for 3S, 4S, or 5S batteries\u003c\/li\u003e\n\u003cli data-sourcepos=\"20:1-20:63\"\u003eProtects against overcharge, overdischarge, and short circuit\u003c\/li\u003e\n\u003cli data-sourcepos=\"21:1-21:36\"\u003eEfficient charging and discharging\u003c\/li\u003e\n\u003cli data-sourcepos=\"22:1-22:32\"\u003eCompact and lightweight design\u003c\/li\u003e\n\u003cli data-sourcepos=\"23:1-24:0\"\u003eBuilt-in USB output for easy device charging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"25:1-25:17\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"27:1-31:0\"\u003e\n\u003cli data-sourcepos=\"27:1-27:19\"\u003eElectric vehicles\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:13\"\u003ePower tools\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:24\"\u003eEnergy storage systems\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-31:0\"\u003ePortable electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/brw1dhDpqUY\" title=\"How to Make Perfect Balance on lithium Batteries with BMS Board (Animation)\" width=\"640\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"3s 4s 5s Bms 12v 16.8v 21v 3.7v 100a Li-ion Lmo Ternary Lithium Battery  Protection Circuit Board Li-polymer Balance Charging - Integrated Circuits  - AliExpress\" src=\"https:\/\/digilog.pk\/cdn\/shop\/files\/3S-4S-5S-Bms-12v-16-8V-21V-3-7V-100A-Li-ion-Lmo-Ternary-Lithium-jpg-Q90-jpg.webp\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/H1b7c3e8bd6af4e62b1096e87317e27be4\/3S-4S-5S-Bms-12v-16-8V-21V-3-7V-100A-Li-ion-Lmo-Ternary-Lithium.jpg_Q90.jpg_.webp\" loading=\"lazy\" data-files=\"3S-4S-5S-Bms-12v-16-8V-21V-3-7V-100A-Li-ion-Lmo-Ternary-Lithium-jpg-Q90-jpg.webp\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Digilog Electronics","offers":[{"title":"Default Title","offer_id":43962253574209,"sku":"B483,krt208","price":930.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/s-l1600_1__result_531b8d88-4cc5-495f-a249-f34289da1e2a.jpg?v=1779561502"},{"product_id":"6s-bms-12a-lithium-battery-charger-protection-board-module-in-pakistan","title":"6s Bms 22.2v 12a Lithium Battery 6 Cells 18650 Charging Charger Protection Board Module","description":"\u003cp data-sourcepos=\"13:1-13:306\"\u003e \u003c\/p\u003e\n\u003cp data-sourcepos=\"13:1-13:306\"\u003eThe 6S BMS 22.2V 12A Lithium Battery Protection Board is a versatile and essential component for protecting your lithium-ion batteries. This high-performance board offers comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits, making it ideal for various applications.\u003c\/p\u003e\n\u003cp data-sourcepos=\"15:1-15:17\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"17:1-23:0\"\u003e\n\u003cli data-sourcepos=\"17:1-17:70\"\u003e\n\u003cstrong\u003e6S Configuration:\u003c\/strong\u003e Suitable for 6-cell lithium-ion battery packs.\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:76\"\u003e\n\u003cstrong\u003e22.2V Voltage Rating:\u003c\/strong\u003e Provides reliable protection for your batteries.\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-19:60\"\u003e\n\u003cstrong\u003e12A Current Rating:\u003c\/strong\u003e Handles high-current applications.\u003c\/li\u003e\n\u003cli data-sourcepos=\"20:1-20:100\"\u003e\n\u003cstrong\u003eOvercharge, Over-Discharge, Overcurrent, and Short Circuit Protection:\u003c\/strong\u003e Ensures battery safety.\u003c\/li\u003e\n\u003cli data-sourcepos=\"21:1-21:65\"\u003e\n\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Built to last for long-term use.\u003c\/li\u003e\n\u003cli data-sourcepos=\"22:1-23:0\"\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for various electronic devices and power systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"24:1-24:19\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"26:1-33:0\"\u003e\n\u003cli data-sourcepos=\"26:1-26:24\"\u003e\n\u003cstrong\u003eNumber of Cells:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli data-sourcepos=\"27:1-27:20\"\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 22.2V\u003c\/li\u003e\n\u003cli data-sourcepos=\"28:1-28:18\"\u003e\n\u003cstrong\u003eCurrent:\u003c\/strong\u003e 12A\u003c\/li\u003e\n\u003cli data-sourcepos=\"29:1-29:36\"\u003e\n\u003cstrong\u003eOvercharge Voltage:\u003c\/strong\u003e 4.25-4.35V\u003c\/li\u003e\n\u003cli data-sourcepos=\"30:1-30:34\"\u003e\n\u003cstrong\u003eOver-Discharge Voltage:\u003c\/strong\u003e 2.5V\u003c\/li\u003e\n\u003cli data-sourcepos=\"31:1-31:41\"\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e -40°C to +50°C\u003c\/li\u003e\n\u003cli data-sourcepos=\"32:1-33:0\"\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 53.5\u003cem\u003e34\u003c\/em\u003e3.0mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"34:1-34:14\"\u003e\u003cstrong\u003eOrder Now:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"36:1-36:158\"\u003eUpgrade your battery protection with our 6S BMS 22.2V 12A Lithium Battery Protection Board. Experience the reliability and safety of this essential component\u003c\/p\u003e\n\u003cp data-sourcepos=\"36:1-36:158\"\u003e\u003cstrong\u003ePackage includes:\u003c\/strong\u003e \u003cbr\u003e1x 6s Bms 22.2v 12a Lithium Battery 6 Cells 18650 Charging Charger Protection Board Module\u003c\/p\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":43962262650945,"sku":"B712,krt106,imp20,th10","price":400.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/6S_BMS_22.2V_12A_Lithium_Battery_6_Cells_Charging_Charger_Protection_Board_Module_In_Lahore_Karachi_Islamabad_Peshawar_Quetta_Mardan_Multan_Hyderabad_Faisalabad_Sibbi_Pakistan___4_d2c.jpg?v=1779560771"},{"product_id":"3-2v-3s-4s-5s-bms-12v-16-8v-18v-100a-bms-for-lifepo4-lithium-iron-phosphate","title":"3s\/4s\/5s Bms 12v 16.8v 18v 3.2v 100a Bms For Lifepo4 Lithium Iron Phosphate Lithium Battery Protection Circuit Board Li-polymer Balance Charging","description":"\u003cp data-sourcepos=\"5:1-5:11\"\u003eThe 3S\/4S\/5S BMS 12V 16.8V 18V 3.2V 100A Battery Protection Board is a crucial component for ensuring the safety and longevity of your lithium-ion battery pack. This advanced BMS provides comprehensive protection against overcharge, over-discharge, short circuits, and other potential hazards.\u003c\/p\u003e\n\u003cp data-sourcepos=\"7:1-7:17\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"9:1-14:0\"\u003e\n\u003cli data-sourcepos=\"9:1-9:114\"\u003e\n\u003cstrong\u003eVersatile Protection:\u003c\/strong\u003e 3S\/4S\/5S BMS Battery  Protects against overcharge, over-discharge, short circuits, and temperature extremes.\u003c\/li\u003e\n\u003cli data-sourcepos=\"10:1-10:93\"\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Handles up to 100A discharge current for demanding applications.\u003c\/li\u003e\n\u003cli data-sourcepos=\"11:1-11:112\"\u003e\n\u003cstrong\u003eConfigurable for 3S, 4S, or 5S Battery Packs:\u003c\/strong\u003e Easily adapt the BMS to your specific battery configuration.\u003c\/li\u003e\n\u003cli data-sourcepos=\"12:1-12:103\"\u003e\n\u003cstrong\u003eAccurate Voltage Monitoring:\u003c\/strong\u003e Continuously monitors battery voltage to ensure optimal performance.\u003c\/li\u003e\n\u003cli data-sourcepos=\"13:1-14:0\"\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e Provides visual feedback on battery status and charging\/discharging processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"15:1-15:19\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-sourcepos=\"17:1-17:19\"\u003e\n\u003cli data-sourcepos=\"17:1-17:19\"\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V, 16.8V, or 18V (depending on configuration)\u003c\/li\u003e\n\u003cli data-sourcepos=\"18:1-18:31\"\u003e\n\u003cstrong\u003eCurrent:\u003c\/strong\u003e 100A (discharge)\u003c\/li\u003e\n\u003cli data-sourcepos=\"19:1-19:92\"\u003e\n\u003cstrong\u003eProtection Features:\u003c\/strong\u003e Overcharge, over-discharge, short circuit, temperature protection\u003c\/li\u003e\n\u003cli data-sourcepos=\"20:1-20:40\"\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Li-ion (Lithium-ion)\u003c\/li\u003e\n\u003cli data-sourcepos=\"21:1-22:0\"\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3S, 4S, or 5S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-sourcepos=\"23:1-23:43\"\u003e\u003cstrong\u003eOrder Now and Protect Your Battery Pack\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-sourcepos=\"25:1-25:220\"\u003eShop online for the 3S\/4S\/5S BMS 12V 16.8V 18V 3.2V 100A Battery Protection Board at the best prices in Pakistan. Available in Karachi, Lahore, Islamabad, Rawalpindi, Peshawar, Multan, Quetta, Faisalabad, and nationwide.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: null;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cimg src=\"https:\/\/storage.googleapis.com\/engage-seoimages\/digilogpk.myshopify.com\/files\/1540049199-plata-bms-obschaja.jpg\" alt=\"3S\/4S\/5S Bms 12v 21v 100a Li-ion Lithium Battery Protection, 43% OFF\" width=\"574\" height=\"323\" style=\"display: block; margin-left: auto; margin-right: auto;\" loading=\"lazy\" data-original=\"https:\/\/storage.googleapis.com\/engage-seoimages\/digilogpk.myshopify.com\/files\/1540049199-plata-bms-obschaja.jpg\"\u003e\u003cbr style=\"box-sizing: border-box; color: #666666;\" font-size:=\"\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe height=\"387\" src=\"https:\/\/www.youtube.com\/embed\/GpDg_OypQeA\" title=\"18650 3S 4S 5S BMS 100A BMS Li-ion LMO Ternary Lithium Battery Protection Circuit Module\" width=\"688\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003c\/p\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":43962271760449,"sku":"b344,A50,TH25","price":1000.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/3s_4s_5s_BMS_12V_16.8v_18V_3.2V_100A_BMS_For_LifePo4_Lithium_iron_phosphate_Lithium_Battery_Protection_Circuit_Board_Li-polymer_Balance_Charging_Module_1_1d777000-f370-477b-9473-d3afb.jpg?v=1779555853"}],"url":"https:\/\/stem.pk\/collections\/bms-medium-pack-5s-to-13s.oembed","provider":"stem.pk","version":"1.0","type":"link"}